19971408240

Names of 19971408240

• Cardinal: 19971408240 can be written as Nineteen billion, nine hundred seventy-one million, four hundred eight thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.997140824 × 10¹⁰

Factors of 19971408240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 172

Divisors of 19971408240

• Number of divisors d(n): 960
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 28 30 34 35 36 40 42 45 48 49 51 56 60 63 67 68 70 71 72 80 84 85 90 98 102 105 112 119 120 126 134 136 140 142 144 147 153 168 170 180 196 201 204 210 213 238 240 245 252 255 268 272 280 284 294 306 315 335 336 340 343 355 357 360 392 402 408 420 426 441 469 476 490 497 504 510 536 560 568 588 595 603 612 630 639 670 680 686 710 714 720 735 765 784 804 816 833 840 852 882 938 952 980 994 1005 1008 1020 1029 1065 1071 1072 1136 1139 1176 1190 1206 1207 1224 1260 1278 1340 1360 1372 1407 1420 1428 1470 1491 1530 1608 1666 1680 1704 1715 1764 1785 1876 1904 1960 1988 2010 2040 2058 2130 2142 2205 2278 2345 2352 2380 2412 2414 2448 2485 2499 2520 2556 2680 2744 2814 2840 2856 2940 2982 3015 3060 3087 3195 3216 3283 3332 3408 3417 3430 3479 3528 3570 3621 3752 3920 3976 4020 4080 4116 4165 4221 4260 4284 4410 4473 4556 4690 4757 4760 4824 4828 4970 4998 5040 5112 5145 5355 5360 5488 5628 5680 5695 5712 5831 5880 5964 6030 6035 6120 6174 6390 6566 6664 6834 6860 6958 7035 7056 7140 7242 7455 7497 7504 7952 7973 8040 8232 8330 8442 8449 8520 8568 8820 8946 9112 9380 9514 9520 9648 9656 9849 9940 9996 10224 10251 10290 10437 10710 10863 11256 11390 11662 11760 11928 12060 12070 12240 12348 12495 12780 13132 13328 13668 13720 13916 14070 14271 14280 14484 14910 14994 15435 15946 16080 16415 16464 16660 16884 16898 17040 17085 17136 17395 17493 17640 17892 18105 18224 18760 19028 19312 19698 19880 19992 20502 20580 20874 21105 21420 21726 22365 22512 22780 22981 23324 23785 23856 23919 24120 24140 24353 24696 24990 25347 25560 26264 27336 27440 27832 28140 28542 28560 28968 29155 29547 29820 29988 30870 31311 31892 32830 33299 33320 33768 33796 34170 34790 34986 35280 35784 36210 37485 37520 38056 39396 39760 39865 39984 41004 41160 41748 42210 42245 42813 42840 43452 44730 45560 45962 46648 47570 47838 48240 48280 48706 49245 49392 49980 50694 51120 51255 52185 52479 52528 54315 54672 55664 55811 56280 57084 57936 58310 59094 59143 59640 59976 61740 62622 63784 65660 66598 66640 67536 67592 68340 68943 69580 69972 71355 71568 71757 72420 73059 74970 76041 76112 78792 79730 80869 82008 82320 83496 84420 84490 85626 85680 86904 87465 89460 91120 91924 93296 95140 95676 96560 97412 98490 99897 99960 101388 102510 104370 104958 108630 111622 112560 114168 114905 116620 118188 118286 119280 119595 119952 121765 123480 125244 126735 127568 131320 133196 135184 136680 137886 139160 139944 142710 143514 144840 146118 147735 149940 152082 156555 157584 159460 161738 164016 166495 166992 167433 168840 168980 171252 173808 174930 177429 178920 183848 190280 191352 194824 196980 199794 199920 202776 205020 206829 208740 209916 214065 217260 219177 223244 228336 229810 233093 233240 236376 236572 239190 242607 243530 246960 250488 253470 262395 262640 266392 273360 275772 278320 279055 279888 285420 287028 289680 292236 295470 295715 299691 299880 304164 313110 318920 323476 332990 334866 337680 337960 342504 344715 349860 354858 357840 358785 365295 367696 380205 380560 382704 389648 390677 393960 399588 404345 405552 410040 413658 414001 417480 419832 428130 434520 438354 446488 459620 466186 466480 472752 473144 478380 485214 487060 499485 500976 502299 506940 524790 532287 532784 551544 558110 566083 570840 574056 584472 590940 591430 599382 599760 608328 626220 637840 646952 665980 669732 675920 685008 689430 699279 699720 709716 717570 727821 730590 760410 781354 787920 799176 808690 820080 827316 828002 834960 837165 839664 856260 869040 876708 887145 892976 919240 932372 946288 956760 970428 974120 998970 1004598 1013880 1034145 1049580 1064574 1095885 1103088 1116220 1132166 1141680 1148112 1165465 1168944 1172031 1181880 1182860 1198764 1213035 1216656 1242003 1252440 1293904 1331960 1339464 1378860 1398558 1399440 1419432 1435140 1455642 1461180 1498455 1520820 1562708 1598352 1617380 1631651 1654632 1656004 1674330 1698249 1712520 1753416 1774290 1838480 1864744 1913520 1940856 1948240 1953385 1997940 2009196 2027760 2068290 2070005 2097837 2099160 2129148 2191770 2232440 2264332 2330930 2344062 2363760 2365720 2397528 2426070 2484006 2504880 2511495 2661435 2663920 2678928 2757720 2797116 2830415 2838864 2870280 2911284 2922360 2996910 3041640 3125416 3234760 3263302 3309264 3312008 3348660 3396498 3425040 3496395 3506832 3516093 3548580 3639105 3726009 3729488 3881712 3906770 3962581 3995880 4018392 4136580 4140010 4195674 4198320 4258296 4383540 4464880 4528664 4661860 4688124 4731440 4795056 4852140 4894953 4968012 5022990 5094747 5322870 5515440 5594232 5660830 5740560 5822568 5844720 5860155 5993820 6083280 6210015 6250832 6469520 6526604 6624016 6697320 6792996 6992790 7032186 7097160 7278210 7452018 7813540 7925162 7991760 8036784 8158255 8273160 8280020 8391348 8491245 8516592 8767080 9057328 9323720 9376248 9704280 9789906 9936024 10045980 10189494 10489185 10645740 11188464 11321660 11645136 11720310 11887743 11987640 12420030 13053208 13394640 13585992 13985580 14064372 14194320 14556420 14684859 14904036 15627080 15850324 16316510 16546320 16560040 16782696 16982490 17534160 17580465 18630045 18647440 18752496 19408560 19579812 19812905 19872048 20091960 20378988 20978370 21291480 22643320 23440620 23775486 23975280 24474765 24840060 25473735 26106416 27171984 27738067 27971160 28128744 29112840 29369718 29808072 31254160 31700648 32633020 33120080 33565392 33964980 35160930 35663229 37260090 39159624 39625810 40183920 40757976 41956740 42582960 45286640 46881240 47550972 48949530 49680120 50947470 55476134 55942320 56257488 58225680 58739436 59438715 59616144 63401296 65266040 67929960 70321860 71326458 73424295 74520180 78319248 79251620 81515952 83214201 83913480 93762480 95101944 97899060 99360240 101894940 110952268 117478872 118877430 130532080 135859920 138690335 140643720 142652916 146848590 149040360 158503240 166428402 167826960 178316145 190203888 195798120 203789880 221904536 234957744 237754860 249642603 277380670 281287440 285305832 293697180 298080720 317006480 332856804 356632290 391596240 407579760 416071005 443809072 475509720 499285206 554761340 570611664 587394360 665713608 713264580 832142010 951019440 998570412 1109522680 1174788720 1248213015 1331427216 1426529160 1664284020 1997140824 2219045360 2496426030 2853058320 3328568040 3994281648 4992852060 6657136080 9985704120 19971408240
• Sum of all divisors σ(n): 85237401600
• Sum of proper divisors (its aliquot sum) s(n): 65265993360
• 19971408240 is an abundant number, because the sum of its proper divisors (65265993360) is greater than itself. Its abundance is 45294585120

Bases of 19971408240

• Binary: 10010100110011000111000000101110000₂
• Hexadecimal: 0x4A6638170
• Base-36: 96AGL80

Squares and roots of 19971408240

• 19971408240 squared (19971408240²) is 398857147088739897600
• 19971408240 cubed (19971408240³) is 7965738913950952002145396224000
• The square root of 19971408240 is 141320.2329463125
• The cube root of 19971408240 is 2713.1235000971

Scales and comparisons

• 19,971,408,240 seconds is equal to 635 years, 1 week, 3 days, 13 hours, 24 minutes.
• To count from 1 to 19,971,408,240 would take you about one thousand, two hundred seventy 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 19971408240 cubic inches would be around 226.1 feet tall.

Recreational maths with 19971408240

• 19971408240 backwards is 04280417991
• 19971408240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19971408240's digits is 45
• More coming soon!