31943521890

Names of 31943521890

• Cardinal: 31943521890 can be written as Thirty-one billion, nine hundred forty-three million, five hundred twenty-one thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 3.194352189 × 10¹⁰

Factors of 31943521890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 228

Divisors of 31943521890

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 31 35 41 42 45 49 62 63 70 82 90 93 98 105 123 126 139 147 155 186 205 210 217 245 246 278 279 287 294 310 315 369 410 417 434 441 465 490 558 574 615 630 651 695 735 738 834 861 882 930 973 1085 1230 1251 1271 1302 1390 1395 1435 1470 1519 1681 1722 1845 1946 1953 2009 2085 2170 2205 2502 2542 2583 2790 2870 2919 3038 3255 3362 3690 3813 3906 4018 4170 4305 4309 4410 4557 4865 5043 5166 5699 5838 6027 6255 6355 6510 6811 7595 7626 8405 8610 8618 8757 8897 9114 9730 9765 10045 10086 11398 11439 11767 12054 12510 12710 12915 12927 13622 13671 14595 15129 15190 16810 17097 17514 17794 18081 19065 19530 20090 20433 21545 22785 22878 23534 25215 25830 25854 26691 27342 28495 29190 30135 30163 30258 34055 34194 35301 36162 38130 38781 39893 40866 43090 43785 44485 45570 50430 51291 52111 53382 56990 57195 58835 60270 60326 61299 62279 64635 68110 68355 70602 75645 77562 79786 80073 82369 85485 87570 88970 90405 90489 102165 102582 104222 105903 114390 117670 119679 122598 124558 129270 133455 136710 150815 151290 156333 160146 164738 170970 176505 176669 180810 180978 186837 193905 199465 204330 211141 211806 233659 239358 247107 256455 260555 266910 271467 279251 301630 306495 311395 312666 353010 353338 359037 364777 373674 387810 398930 400365 411845 422282 452445 467318 468999 494214 512910 521110 529515 530007 542934 558502 560511 598395 612990 622790 633423 700977 718074 729554 741321 781665 800730 823690 837753 883345 904890 934185 937998 1055705 1059030 1060014 1094331 1121022 1168295 1196790 1235535 1236683 1266846 1357335 1396255 1401954 1482642 1563330 1590021 1635613 1675506 1766690 1795185 1823885 1868370 1900269 2102931 2111410 2188662 2336590 2344995 2471070 2473366 2513259 2553439 2650035 2714670 2792510 2802555 3167115 3180042 3271226 3282993 3504885 3590370 3647770 3706605 3710049 3800538 4188765 4205862 4689990 4906839 5026518 5106878 5300070 5471655 5605110 6183415 6334230 6565986 7009770 7243429 7413210 7420098 7660317 7950105 8178065 8377530 8656781 9501345 9813678 10514655 10943310 11130147 11449291 12366830 12566295 12767195 14486858 14720517 15320634 15900210 16356130 16414965 17313562 18550245 19002690 21029310 21730287 22260294 22898582 22980951 24534195 25132590 25534390 25970343 29441034 32829930 34347873 36217145 37100490 38301585 43283905 43460574 45961902 49068390 50704003 51940686 55650735 57246455 65190861 68695746 72434290 73602585 76603170 77911029 86567810 101408006 103043619 108651435 111301470 114492910 114904755 129851715 130381722 147205170 152112009 155822058 171739365 206087238 217302870 229809510 253520015 259703430 304224018 325954305 343478730 354928021 389555145 456336027 507040030 515218095 651908610 709856042 760560045 779110290 912672054 1030436190 1064784063 1521120090 1774640105 2129568126 2281680135 3194352189 3549280210 4563360270 5323920315 6388704378 10647840630 15971760945 31943521890
• Sum of all divisors σ(n): 102956555520
• Sum of proper divisors (its aliquot sum) s(n): 71013033630
• 31943521890 is an abundant number, because the sum of its proper divisors (71013033630) is greater than itself. Its abundance is 39069511740

Bases of 31943521890

• Binary: 11101101111111110110111011001100010₂
• Hexadecimal: 0x76FFB7662
• Base-36: EOACJ8I

Squares and roots of 31943521890

• 31943521890 squared (31943521890²) is 1020388590736909172100
• 31943521890 cubed (31943521890³) is 32594805284510709369918127269000
• The square root of 31943521890 is 178727.5073680601
• The cube root of 31943521890 is 3172.9332246171

Scales and comparisons

• 31,943,521,890 seconds is equal to 1,015 years, 36 weeks, 4 days, 16 hours, 31 minutes, 30 seconds.
• To count from 1 to 31,943,521,890 would take you about two thousand and thirty-one 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 31943521890 cubic inches would be around 264.4 feet tall.

Recreational maths with 31943521890

• 31943521890 backwards is 09812534913
• 31943521890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31943521890's digits is 45
• More coming soon!