31217130120

Names of 31217130120

• Cardinal: 31217130120 can be written as Thirty-one billion, two hundred seventeen million, one hundred thirty thousand, one hundred twenty.

Scientific notation

• Scientific notation: 3.121713012 × 10¹⁰

Factors of 31217130120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 75891

Divisors of 31217130120

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 40 44 55 60 66 88 110 120 132 165 220 264 313 330 440 626 660 939 1252 1320 1565 1878 2504 3130 3443 3756 4695 6260 6886 7512 9390 10329 12520 13772 17215 18780 20658 27544 34430 37560 41316 51645 68860 75557 82632 103290 137720 151114 206580 226671 302228 377785 413160 453342 604456 755570 831127 906684 1133355 1511140 1662254 1813368 2266710 2493381 3022280 3324508 4155635 4533420 4986762 6649016 8311270 9066840 9973524 12466905 16622540 19947048 23649341 24933810 33245080 47298682 49867620 70948023 94597364 99735240 118246705 141896046 189194728 236493410 260142751 283792092 354740115 472986820 520285502 567584184 709480230 780428253 945973640 1040571004 1300713755 1418960460 1560856506 2081142008 2601427510 2837920920 3121713012 3902141265 5202855020 6243426024 7804282530 10405710040 15608565060 31217130120
• Sum of all divisors σ(n): 102492915840
• Sum of proper divisors (its aliquot sum) s(n): 71275785720
• 31217130120 is an abundant number, because the sum of its proper divisors (71275785720) is greater than itself. Its abundance is 40058655600

Bases of 31217130120

• Binary: 11101000100101011111001101010001000₂
• Hexadecimal: 0x744AF9A88
• Base-36: EC9VFRC

Squares and roots of 31217130120

• 31217130120 squared (31217130120²) is 974509212929011214400
• 31217130120 cubed (31217130120³) is 30421380903143729402864017728000
• The square root of 31217130120 is 176683.7007762743
• The cube root of 31217130120 is 3148.6978785435

Scales and comparisons

• 31,217,130,120 seconds is equal to 992 years, 31 weeks, 4 days, 9 hours, 2 minutes.
• To count from 1 to 31,217,130,120 would take you about one thousand, nine hundred eighty-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 31217130120 cubic inches would be around 262.4 feet tall.

Recreational maths with 31217130120

• 31217130120 backwards is 02103171213
• The number of decimal digits it has is: 11
• The sum of 31217130120's digits is 21
• More coming soon!