1997179171920

Names of 1997179171920

• Cardinal: 1997179171920 can be written as One trillion, nine hundred ninety-seven billion, one hundred seventy-nine million, one hundred seventy-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.99717917192 × 10¹²

Factors of 1997179171920

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 649

Divisors of 1997179171920

• Number of divisors d(n): 1280
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 23 24 27 30 34 36 40 41 45 46 48 51 54 60 68 69 72 80 82 85 90 92 102 108 115 120 123 135 136 137 138 144 153 164 170 180 184 204 205 207 216 230 240 246 255 270 272 274 276 306 328 340 345 360 368 369 391 408 410 411 414 421 432 459 460 492 510 540 548 552 612 615 621 656 680 685 690 697 720 738 765 782 816 820 822 828 842 918 920 943 984 1020 1035 1080 1096 1104 1107 1173 1224 1230 1233 1242 1263 1360 1370 1380 1394 1476 1530 1564 1640 1644 1656 1684 1836 1840 1845 1886 1955 1968 2040 2055 2070 2091 2105 2160 2192 2214 2295 2329 2346 2448 2460 2466 2484 2526 2740 2760 2788 2829 2952 3060 3105 3128 3151 3280 3288 3312 3368 3485 3519 3672 3690 3699 3772 3789 3910 4080 4110 4140 4182 4210 4428 4590 4658 4692 4715 4920 4932 4968 5052 5480 5520 5535 5576 5617 5658 5865 5904 6120 6165 6210 6256 6273 6302 6315 6576 6736 6970 6987 7038 7157 7344 7380 7398 7544 7578 7820 8220 8280 8364 8420 8487 8856 9180 9316 9384 9430 9453 9683 9840 9864 9936 10104 10455 10557 10960 11070 11152 11234 11316 11367 11645 11730 12240 12330 12420 12546 12604 12630 13940 13974 14076 14145 14314 14760 14796 15088 15156 15640 15755 16031 16440 16560 16728 16840 16851 16974 17261 17595 17712 18360 18495 18632 18768 18819 18860 18906 18945 19366 19728 20208 20910 20961 21114 21471 22140 22468 22632 22734 23290 23460 24660 24840 25092 25208 25260 25461 27880 27948 28085 28152 28290 28359 28628 29049 29520 29592 30312 31280 31365 31510 32062 32880 33456 33680 33702 33948 34522 34935 35190 35785 36720 36990 37264 37638 37720 37812 37890 38732 41820 41922 42228 42435 42942 44280 44936 45264 45468 46580 46920 47265 48093 48415 49320 49680 50184 50416 50520 50553 50922 51783 52785 53567 55760 55896 56170 56304 56580 56718 56835 57256 57677 58098 59184 60624 62730 62883 63020 64124 64413 67404 67896 69044 69870 70380 71570 73980 75276 75440 75624 75780 77464 80155 83640 83844 84255 84456 84870 85077 85884 86305 87147 88560 89872 90936 93160 93840 94095 94530 95489 96186 96830 98640 100368 101040 101106 101844 103566 104805 105570 107134 107355 111792 112340 113160 113436 113670 114512 115354 116196 125460 125766 126040 127305 128248 128826 129191 134808 135792 138088 139740 140760 141795 143140 144279 145245 147960 150552 151248 151560 151659 154928 155349 160310 160701 164611 167280 167688 168510 168912 169740 170154 171768 172610 173031 174294 181872 186320 188190 189060 190978 192372 193239 193660 202212 203688 207132 209610 211140 214268 214710 224680 226320 226872 227340 230708 232392 240465 250920 251532 252080 252765 254610 256496 257652 258382 258915 261441 267835 269616 276176 279480 281520 283590 286280 286467 288385 288558 290490 293437 295920 301104 303120 303318 310698 314415 320620 321402 322065 329222 335376 337020 339480 340308 343536 345220 346062 348588 376380 378120 381956 384744 386478 387320 387573 397003 404424 407376 414264 419220 422280 425385 428536 429420 432837 435735 449360 453744 454680 461416 464784 466047 477445 480930 482103 493833 501840 503064 505530 509220 515304 516764 517830 519093 522882 535670 558960 567180 572560 572934 576770 577116 580980 586874 606636 621396 628830 641240 642804 644130 645955 658444 674040 678960 680616 690440 692124 697176 721395 752760 756240 758295 763912 769488 772956 774640 775146 776745 794006 803505 808848 823055 828528 838440 844560 850770 857072 858840 859401 865155 865674 871470 880311 909360 922832 932094 954890 961860 964206 966195 980509 987666 1006128 1011060 1018440 1030608 1033528 1035660 1038186 1045764 1071340 1134360 1145868 1153540 1154232 1161960 1162719 1173748 1191009 1213272 1242792 1257660 1282480 1285608 1288260 1291910 1307205 1316888 1326571 1348080 1361232 1380880 1384248 1394352 1432335 1442790 1446309 1467185 1481499 1505520 1516590 1527824 1545912 1550292 1553490 1557279 1588012 1607010 1646110 1676880 1701540 1717680 1718802 1730310 1731348 1742940 1760622 1864188 1909780 1923720 1928412 1932390 1937865 1961018 1975332 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7639120 7713648 7729560 7751460 7786395 7844072 7901328 7922799 7940060 7959426 8305488 8594010 8656740 8784988 8803110 8824581 8888994 9301752 9320940 9459028 9528072 9642060 9805090 9876660 10312812 10335280 10381860 10457640 10563732 10612568 10719081 10981235 11458680 11542320 11570472 11627190 11737480 11766108 11823785 11851992 11910090 11939139 12132720 12427920 12458232 12856080 12891015 13168880 13177482 13204665 13265710 13498102 13750416 13842480 13952628 14084976 14188542 14292108 14463090 14707635 14814990 15459120 15502920 15572790 15688144 15845598 15880120 15918852 17188020 17313480 17440785 17569976 17606220 17649162 17777988 17865135 18603504 18641880 18918056 19056144 19284120 19610180 19753320 19766223 19898565 20247153 20625624 20763720 20915280 21127464 21225136 21282813 21438162 21962470 22222485 22551707 22917360 23140944 23254380 23474960 23532216 23647570 23703984 23820180 23878278 24916464 25782030 26354964 26409330 26473743 26531420 26996204 27905256 28377084 28584216 28926180 29415270 29629980 31005840 31145580 31691196 31760240 31837704 32943705 33745255 34376040 34626960 34881570 35139952 35212440 35298324 35471355 35555976 35730270 35817417 37283760 37836112 38568240 39220360 39506640 39532446 39613995 39797130 40200869 40494306 41251248 41527440 42254928 42565626 42876324 43924940 44122905 44444970 45103414 46508760 47064432 47295140 47640360 47756556 51564060 52709928 52818660 52947486 53062840 53595405 53992408 54389411 55810512 56754168 57168432 57852360 58830540 59259960 59298669 59695695 60741459 62291160 63382392 63675408 63848439 65887410 67490510 67655121 68752080 69763140 70424880 70596648 70942710 71111952 71460540 71634834 78440720 79064892 79227990 79594260 80401738 80988612 85131252 85752648 87849880 88245810 88889940 90206828 93017520 94590280 95280720 95513112 98831115 101235765 103128120 105419856 105637320 105894972 106125680 106414065 107190810 107984816 108778822 112758535 113508336 115704720 117661080 118519920 118597338 119391390 120602607 121482918 124582320 126764784 127696878 131774820 132368715 134981020 135310242 139526280 141193296 141885420 142921080 143269668 158129784 158455980 159188520 160803476 161977224 163168233 170262504 171505296 175699760 176491620 177779880 179087085 180413656 182224377 189180560 191026224 197662230 201004345 202471530 202965363 206256240 211274640 211789944 212828130 214381620 217557644 225517070 235322160 237194676 238782780 241205214 242965836 255393756 263549640 264737430 269962040 270620484 271947055 279052560 283770840 285842160 286539336 296493345 303707295 316259568 316911960 318377040 319242195 321606952 323954448 326336466 338275605 340525008 352983240 355559760 358174170 360827312 361807821 364448754 395324460 402008690 404943060 405930726 423579888 425656260 428763240 435115288 451034140 474389352 477565560 482410428 485931672 489504699 510787512 527099280 529474860 539924080 541240968 543894110 567541680 573078672 592986690 603013035 607414590 608896089 633823920 638484390 643213904 652672932 676551210 705966480 716348340 723615642 728897508 790648920 804017380 809886120 811861452 815841165 851312520 857526480 870230576 902068280 911121885 924619987 948778704 955131120 964820856 971863344 979009398 1014826815 1021575024 1058949720 1082481936 1085423463 1087788220 1185973380 1206026070 1214829180 1217792178 1276968780 1305345864 1353102420 1432696680 1447231284 1457795016 1468514097 1581297840 1608034760 1619772240 1623722904 1631682330 1702625040 1804136560 1809039105 1822243770 1849239974 1929641712 1958018796 2029653630 2117899440 2170846926 2175576440 2371946760 2412052140 2429658360 2435584356 2447523495 2553937560 2610691728 2706204840 2773859961 2865393360 2894462568 2915590032 2937028194 3044480445 3216069520 3247445808 3263364660 3618078210 3644487540 3698479948 3916037592 4059307260 4341693852 4351152880 4623099935 4743893520 4824104280 4859316720 4871168712 4895046990 5107875120 5412409680 5427117315 5547719922 5788925136 5874056388 6088960890 6526729320 7236156420 7288975080 7342570485 7396959896 7832075184 8118614520 8321579883 8683387704 9246199870 9648208560 9742337424 9790093980 10854234630 11095439844 11748112776 12177921780 13053458640 13869299805 14472312840 14577950160 14685140970 14793919792 16237229040 16643159766 17366775408 18492399740 19580187960 21708469260 22190879688 23496225552 24355843560 24964739649 27738599610 28944625680 29370281940 33286319532 36984799480 39160375920 41607899415 43416938520 44381759376 48711687120 49929479298 55477199220 58740563880 66572639064 73969598960 83215798830 86833877040 99858958596 110954398440 117481127760 124823698245 133145278128 166431597660 199717917192 221908796880 249647396490 332863195320 399435834384 499294792980 665726390640 998589585960 1997179171920
• Sum of all divisors σ(n): 7861356840960
• Sum of proper divisors (its aliquot sum) s(n): 5864177669040
• 1997179171920 is an abundant number, because the sum of its proper divisors (5864177669040) is greater than itself. Its abundance is 3866998497120

Bases of 1997179171920

• Binary: 11101000100000001001001111011010001010000₂
• Hexadecimal: 0x1D10127B450
• Base-36: PHHOWVO0

Squares and roots of 1997179171920

• 1997179171920 squared (1997179171920²) is 3988724644751056916486400
• 1997179171920 cubed (1997179171920³) is 7966197783020812027013096947941888000
• The square root of 1997179171920 is 1413215.8971367397
• The cube root of 1997179171920 is 12593.2843441707

Scales and comparisons

• 1,997,179,171,920 seconds is equal to 63,504 years, 6 weeks, 1 day, 16 hours, 12 minutes.
• To count from 1 to 1,997,179,171,920 would take you about one hundred fifty-eight thousand, seven hundred sixty years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1997179171920 cubic inches would be around 1049.4 feet tall.

Recreational maths with 1997179171920

• 1997179171920 backwards is 0291719717991
• The number of decimal digits it has is: 13
• The sum of 1997179171920's digits is 63
• More coming soon!