31085985018

Names of 31085985018

• Cardinal: 31085985018 can be written as Thirty-one billion, eighty-five million, nine hundred eighty-five thousand and eighteen.

Scientific notation

• Scientific notation: 3.1085985018 × 10¹⁰

Factors of 31085985018

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1316

Divisors of 31085985018

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 11 17 22 23 33 34 46 51 59 66 69 102 118 138 177 187 253 289 354 374 391 506 561 578 649 759 782 867 1003 1122 1173 1201 1298 1357 1518 1734 1947 2006 2346 2402 2714 3009 3179 3603 3894 4071 4301 6018 6358 6647 7206 8142 8602 9537 11033 12903 13211 13294 14927 17051 19074 19941 20417 22066 23069 25806 26422 27623 29854 33099 34102 39633 39882 40834 44781 46138 51153 55246 61251 66198 69207 70859 73117 79266 82869 89562 102306 122502 138414 141718 146234 165738 187561 212577 219351 224587 253759 303853 347089 375122 392173 425154 438702 449174 469591 507518 562683 607706 673761 694178 761277 779449 784346 911559 939182 1041267 1125366 1176519 1204603 1347522 1408773 1522554 1558898 1629757 1823118 2082534 2338347 2353038 2409206 2817546 3259514 3613809 3817979 4313903 4676694 4889271 5165501 7227618 7635958 7983047 8627806 9778542 10331002 11453937 12941709 13250633 15496503 15966094 17927327 20478251 22907874 23949141 25883418 26501266 27705869 30993006 35854654 39751899 40956502 47898282 53781981 55411738 61434753 79503798 83117607 87813517 107563962 122869506 166235214 175627034 225260761 263440551 304764559 450521522 470999773 526881102 609529118 675782283 914293677 941999546 1351564566 1412999319 1828587354 2825998638 5180997503 10361995006 15542992509 31085985018
• Sum of all divisors σ(n): 76518743040
• Sum of proper divisors (its aliquot sum) s(n): 45432758022
• 31085985018 is an abundant number, because the sum of its proper divisors (45432758022) is greater than itself. Its abundance is 14346773004

Bases of 31085985018

• Binary: 11100111100110111100111110011111010₂
• Hexadecimal: 0x73CDE7CFA
• Base-36: EA3SJJU

Squares and roots of 31085985018

• 31085985018 squared (31085985018²) is 966338464539320460324
• 31085985018 cubed (31085985018³) is 30039583030986440101532727425832
• The square root of 31085985018 is 176312.1805718481
• The cube root of 31085985018 is 3144.2823977559

Scales and comparisons

• 31,085,985,018 seconds is equal to 988 years, 22 weeks, 5 days, 11 hours, 50 minutes, 18 seconds.
• To count from 1 to 31,085,985,018 would take you about one thousand, nine hundred seventy-six 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 31085985018 cubic inches would be around 262 feet tall.

Recreational maths with 31085985018

• 31085985018 backwards is 81058958013
• The number of decimal digits it has is: 11
• The sum of 31085985018's digits is 48
• More coming soon!