9998994720

Names of 9998994720

• Cardinal: 9998994720 can be written as Nine billion, nine hundred ninety-eight million, nine hundred ninety-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 9.99899472 × 10⁹

Factors of 9998994720

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 111

Divisors of 9998994720

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 16 17 19 20 22 24 26 30 32 33 34 38 39 40 41 44 48 51 52 55 57 60 65 66 68 76 78 80 82 85 88 95 96 102 104 110 114 120 121 123 130 132 136 143 152 156 160 164 165 170 176 187 190 195 204 205 208 209 220 221 228 240 242 246 247 255 260 264 272 285 286 304 312 323 328 330 340 352 363 374 380 390 408 410 416 418 429 440 442 451 456 480 484 492 494 510 520 528 533 544 561 570 572 605 608 615 624 627 646 656 660 663 680 697 715 726 741 748 760 779 780 816 820 836 858 880 884 902 912 935 968 969 984 988 1020 1040 1045 1056 1066 1105 1122 1140 1144 1210 1230 1235 1248 1254 1292 1312 1320 1326 1353 1360 1394 1430 1452 1482 1496 1520 1558 1560 1573 1599 1615 1632 1640 1672 1716 1760 1768 1804 1815 1824 1870 1936 1938 1968 1976 2040 2057 2080 2090 2091 2132 2145 2210 2244 2255 2280 2288 2299 2337 2420 2431 2460 2470 2508 2584 2640 2652 2665 2706 2717 2720 2788 2805 2860 2904 2964 2992 3040 3116 3120 3135 3146 3198 3230 3280 3315 3344 3432 3485 3536 3553 3608 3630 3705 3740 3872 3876 3895 3936 3952 4080 4114 4180 4182 4199 4264 4290 4420 4488 4510 4560 4576 4598 4674 4719 4840 4845 4862 4920 4940 4961 5016 5168 5280 5304 5330 5412 5434 5576 5610 5720 5808 5863 5928 5984 6171 6232 6240 6270 6292 6396 6460 6560 6630 6688 6765 6864 6897 6970 7072 7106 7216 7260 7293 7410 7480 7667 7752 7790 7865 7904 7995 8151 8160 8228 8360 8364 8398 8528 8569 8580 8840 8976 9020 9061 9120 9196 9348 9438 9680 9690 9724 9840 9880 9922 10032 10127 10285 10336 10455 10608 10659 10660 10824 10868 11152 11220 11440 11495 11616 11685 11726 11856 12155 12342 12464 12540 12584 12597 12792 12920 13243 13260 13530 13585 13728 13794 13940 14212 14432 14520 14586 14820 14883 14960 15334 15504 15580 15730 15990 16302 16456 16720 16728 16796 17056 17138 17160 17589 17680 17765 17952 18040 18122 18392 18696 18876 19360 19380 19448 19680 19760 19844 20064 20254 20570 20910 20995 21216 21318 21320 21648 21736 22304 22440 22880 22990 23001 23370 23452 23595 23712 24310 24684 24805 24928 25080 25168 25194 25584 25707 25840 26486 26520 26741 27060 27170 27183 27588 27880 28424 29040 29172 29315 29640 29766 29887 29920 30381 30668 30855 31008 31160 31460 31980 32604 32912 33440 33456 33592 34276 34320 34485 35178 35360 35530 36080 36244 36465 36784 37392 37752 38335 38760 38896 39083 39520 39688 39729 40508 40755 41140 41820 41990 42636 42640 42845 43296 43472 44880 45305 45980 46002 46189 46740 46904 47190 48620 49368 49610 50160 50336 50388 50635 51168 51414 51680 52972 53040 53295 53482 54120 54340 54366 55176 55760 56848 58080 58344 58630 59280 59532 59774 60762 61336 61710 62320 62920 62985 63960 64493 65208 65824 66215 66912 67184 68552 68640 68970 70356 71060 72160 72488 72930 73568 74415 74784 75504 76670 77520 77792 78166 79376 79458 80223 81016 81510 82280 83640 83980 84337 85272 85280 85690 86944 87945 89661 89760 90610 91960 92004 92378 93480 93808 94259 94380 97240 98736 99220 99671 100320 100776 101270 102828 105944 106080 106590 106964 108240 108680 108732 110352 111397 111520 113696 115005 116688 117249 117260 118560 119064 119548 121524 122672 123420 124640 125840 125970 127920 128535 128986 130416 132430 133705 134368 135915 137104 137940 138567 140712 142120 144976 145673 145860 148830 149435 151008 151905 153340 155040 156332 158752 158916 160446 162032 163020 164560 167280 167960 168674 170544 171380 172159 175890 179322 181220 183920 184008 184756 186960 187616 188518 188760 193479 194480 195415 197472 198440 198645 199342 201552 202540 205656 211888 213180 213928 216480 217360 217464 220704 222794 230010 230945 233376 234498 234520 238128 239096 243048 245344 246840 251680 251940 253011 255840 257070 257972 260832 264860 267410 271830 274208 275880 277134 281424 282777 284240 289952 291346 291720 297660 298870 299013 303810 306680 312664 317832 320892 322465 324064 326040 329120 334191 334560 335920 337348 341088 342760 344318 351780 358644 362440 367840 368016 369512 373920 377036 377520 386958 388960 390830 396880 397290 398684 401115 403104 405080 411312 421685 423776 426360 427856 434720 434928 437019 445588 448305 460020 461890 468996 469040 471295 476256 478192 486096 493680 498355 503880 506022 508079 514140 515944 516477 529720 534820 543660 551760 554268 556985 562848 565554 568480 582692 583440 586245 595320 597740 598026 607620 613360 625328 635664 641784 644930 652080 668382 671840 674696 685520 688636 692835 703560 717288 724880 728365 736032 739024 754072 755040 773916 781660 793760 794580 797368 802230 810160 822624 843370 852720 855712 860795 869856 874038 891176 896610 920040 923780 937992 938080 942590 956384 967395 972192 987360 996710 1007760 1012044 1016158 1028280 1031888 1032954 1059440 1069640 1087320 1096381 1103520 1108536 1113970 1131108 1165384 1166880 1172490 1190640 1195480 1196052 1215240 1225367 1226720 1250656 1265055 1271328 1283568 1289860 1304160 1336764 1349392 1371040 1377272 1385670 1407120 1413885 1434576 1449760 1456730 1478048 1495065 1508144 1524237 1547832 1563320 1589160 1594736 1602403 1604460 1620320 1670955 1686740 1705440 1721590 1748076 1782352 1793220 1840080 1847560 1875984 1885180 1893749 1934790 1993420 2015520 2024088 2032316 2056560 2063776 2065908 2118880 2139280 2174640 2185095 2192762 2217072 2227940 2262216 2330768 2344980 2381280 2390960 2392104 2430480 2450734 2530110 2540395 2567136 2579720 2582385 2673528 2698784 2754544 2771340 2814240 2827770 2869152 2913460 2990130 3016288 3048474 3095664 3126640 3178320 3189472 3204806 3208920 3289143 3341910 3373480 3443180 3496152 3564704 3586440 3676101 3680160 3695120 3751968 3770360 3787498 3869580 3986840 4048176 4064632 4113120 4131816 4278560 4349280 4370190 4385524 4434144 4455880 4524432 4661536 4689960 4781920 4784208 4807209 4860960 4901468 5060220 5080790 5159440 5164770 5347056 5481905 5509088 5542680 5655540 5681247 5826920 5980260 6096948 6126835 6191328 6253280 6356640 6409612 6417840 6578286 6683820 6746960 6886360 6992304 7172880 7352202 7390240 7540720 7574996 7621185 7739160 7973680 8012015 8096352 8129264 8263632 8740380 8771048 8911760 9048864 9379920 9468745 9568416 9614418 9802936 10120440 10161580 10318880 10329540 10694112 10963810 11085360 11311080 11362494 11653840 11960520 12193896 12253670 12819224 12835680 13156572 13367640 13493920 13772720 13984608 14345760 14704404 15081440 15149992 15242370 15478320 15947360 16024030 16258528 16445715 16527264 17480760 17542096 17823520 18380505 18759840 18937490 19228836 19605872 20240880 20323160 20659080 20831239 21927620 22170720 22622160 22724988 23307680 23921040 24036045 24387792 24507340 25638448 26313144 26735280 27545440 28406235 29408808 30299984 30484740 30956640 32048060 32891430 34961520 35084192 36761010 37874980 38457672 39211744 40481760 40646320 41318160 41662478 43855240 45244320 45449976 47842080 48072090 48775584 49014680 51276896 52626288 53470560 56812470 58817616 60599968 60969480 62493717 64096120 65782860 69923040 73522020 75749960 76915344 81292640 82636320 83324956 87710480 90899952 96144180 98029360 104156195 105252576 113624940 117635232 121938960 124987434 128192240 131565720 147044040 151499920 153830688 166649912 175420960 181799904 192288360 196058720 208312390 227249880 243877920 249974868 256384480 263131440 294088080 302999840 312468585 333299824 384576720 416624780 454499760 499949736 526262880 588176160 624937170 666599648 769153440 833249560 908999520 999899472 1249874340 1666499120 1999798944 2499748680 3332998240 4999497360 9998994720
• Sum of all divisors σ(n): 42568001280
• Sum of proper divisors (its aliquot sum) s(n): 32569006560
• 9998994720 is an abundant number, because the sum of its proper divisors (32569006560) is greater than itself. Its abundance is 22570011840

Bases of 9998994720

• Binary: 1001010011111111001000110100100000₂
• Hexadecimal: 0x253FC8D20
• Base-36: 4LD55PC

Squares and roots of 9998994720

• 9998994720 squared (9998994720²) is 99979895410587878400
• 9998994720 cubed (9998994720³) is 999698446316620428217602048000
• The square root of 9998994720 is 99994.9734736703
• The cube root of 9998994720 is 2154.3624939425

Scales and comparisons

• 9,998,994,720 seconds is equal to 317 years, 48 weeks, 5 days, 2 hours, 32 minutes.
• To count from 1 to 9,998,994,720 would take you about six hundred thirty-five 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 9998994720 cubic inches would be around 179.5 feet tall.

Recreational maths with 9998994720

• 9998994720 backwards is 0274998999
• 9998994720 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9998994720's digits is 66
• More coming soon!