31431994880

Names of 31431994880

• Cardinal: 31431994880 can be written as Thirty-one billion, four hundred thirty-one million, nine hundred ninety-four thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 3.143199488 × 10¹⁰

Factors of 31431994880

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4569

Divisors of 31431994880

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 8 10 11 13 16 19 20 22 26 32 38 40 44 52 55 64 65 76 80 88 95 104 110 128 130 143 152 160 176 190 208 209 220 247 256 260 286 304 320 352 380 416 418 440 494 512 520 572 608 640 704 715 760 832 836 880 988 1040 1045 1144 1216 1235 1280 1408 1430 1520 1664 1672 1760 1976 2080 2090 2288 2432 2470 2560 2717 2816 2860 3040 3328 3344 3520 3952 4160 4180 4519 4576 4864 4940 5434 5632 5720 6080 6656 6688 7040 7904 8320 8360 9038 9152 9728 9880 10868 11440 12160 13376 13585 14080 15808 16640 16720 18076 18304 19760 21736 22595 22880 24320 26752 27170 28160 31616 33280 33440 36152 36608 39520 43472 45190 45760 48640 49709 53504 54340 58747 63232 66880 72304 73216 79040 85861 86944 90380 91520 99418 107008 108680 117494 126464 133760 144608 158080 171722 173888 180760 183040 198836 217360 234988 248545 267520 289216 293735 316160 343444 347776 361520 366080 397672 429305 434720 469976 497090 535040 578432 587470 632320 646217 686888 695552 723040 795344 858610 869440 939952 944471 994180 1116193 1156864 1174940 1292434 1373776 1391104 1446080 1590688 1717220 1738880 1879904 1888942 1988360 2232386 2313728 2349880 2584868 2747552 2892160 3181376 3231085 3434440 3477760 3759808 3777884 3976720 4464772 4699760 4722355 5169736 5495104 5580965 5784320 6362752 6462170 6868880 6955520 7519616 7555768 7953440 8929544 9399520 9444710 10339472 10990208 11161930 11568640 12278123 12725504 12924340 13737760 15039232 15111536 15906880 17859088 18799040 18889420 20678944 21980416 22323860 24556246 25451008 25848680 27475520 30078464 30223072 31813760 35718176 37598080 37778840 41357888 43960832 44647720 49112492 51697360 54951040 60446144 61390615 63627520 71436352 75196160 75557680 82715776 89295440 98224984 103394720 109902080 120892288 122781230 127255040 142872704 150392320 151115360 165431552 178590880 196449968 206789440 219804160 241784576 245562460 285745408 302230720 330863104 357181760 392899936 413578880 483569152 491124920 571490816 604461440 714363520 785799872 827157760 982249840 1208922880 1428727040 1571599744 1654315520 1964499680 2417845760 2857454080 3143199488 3928999360 6286398976 7857998720 15715997440 31431994880
• Sum of all divisors σ(n): 93219033600
• Sum of proper divisors (its aliquot sum) s(n): 61787038720
• 31431994880 is an abundant number, because the sum of its proper divisors (61787038720) is greater than itself. Its abundance is 30355043840

Bases of 31431994880

• Binary: 11101010001011111100010111000000000₂
• Hexadecimal: 0x7517E2E00
• Base-36: EFTSQGW

Squares and roots of 31431994880

• 31431994880 squared (31431994880²) is 987970302136346214400
• 31431994880 cubed (31431994880³) is 31053877478341687272928182272000
• The square root of 31431994880 is 177290.7072578819
• The cube root of 31431994880 is 3155.9054375721

Scales and comparisons

• 31,431,994,880 seconds is equal to 999 years, 22 weeks, 6 days, 5 hours, 41 minutes, 20 seconds.
• To count from 1 to 31,431,994,880 would take you about one thousand, nine hundred ninety-eight 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 31431994880 cubic inches would be around 263 feet tall.

Recreational maths with 31431994880

• 31431994880 backwards is 08849913413
• The number of decimal digits it has is: 11
• The sum of 31431994880's digits is 50
• More coming soon!