31386857388430

Names of 31386857388430

• Cardinal: 31386857388430 can be written as Thirty-one trillion, three hundred eighty-six billion, eight hundred fifty-seven million, three hundred eighty-eight thousand, four hundred thirty.

Scientific notation

• Scientific notation: 3.138685738843 × 10¹³

Factors of 31386857388430

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10670

Divisors of 31386857388430

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 10 23 43 46 86 115 215 223 230 430 446 989 1115 1627 1978 2230 3254 4945 5129 8135 8747 9589 9890 10258 16270 17494 19178 25645 37421 43735 47945 51290 69961 74842 87470 95890 139922 187105 201181 220547 349805 362821 374210 376121 402362 441094 699610 725642 752242 1005905 1102735 1609103 1814105 1880605 1950581 2011810 2205470 3218206 3628210 3761210 3901162 8045515 8344883 8650783 9752905 14231369 15601303 16091030 16689766 17301566 19505810 28462738 31202606 41724415 43253915 44863363 71156845 78006515 83448830 83874983 86507830 89726726 142313690 156013030 167749966 224316815 327321487 358829969 419374915 448633630 611948867 654642974 717659938 838749830 1223897734 1636607435 1794149845 1929124609 3059744335 3173595287 3273214870 3588299690 3858249218 6119488670 6347190574 9645623045 14074823941 15867976435 19291246090 28149647882 31735952870 70374119705 72992691601 136464597341 140748239410 145985383202 272929194682 364963458005 682322986705 729926916010 1364645973410 3138685738843 6277371477686 15693428694215 31386857388430
• Sum of all divisors σ(n): 60638383669248
• Sum of proper divisors (its aliquot sum) s(n): 29251526280818
• 31386857388430 is a deficient number, because the sum of its proper divisors (29251526280818) is less than itself. Its deficiency is 2135331107612

Bases of 31386857388430

• Binary: 111001000101111010010011111000011100110001110₂
• Hexadecimal: 0x1C8BD27C398E
• Base-36: B4IX8I5QM

Squares and roots of 31386857388430

• 31386857388430 squared (31386857388430²) is 985134816721642879897864900
• 31386857388430 cubed (31386857388430³) is 30920286000819330735610204060346963107000
• The square root of 31386857388430 is 5602397.4679087167
• The cube root of 31386857388430 is 31543.9404874989

Scales and comparisons

• 31,386,857,388,430 seconds is equal to 998,004 years, 50 weeks, 6 days, 8 hours, 47 minutes, 10 seconds.
• To count from 1 to 31,386,857,388,430 would take you about two million, four hundred ninety-five thousand and twelve 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 31386857388430 cubic inches would be around 2628.7 feet tall.

Recreational maths with 31386857388430

• 31386857388430 backwards is 03488375868313
• The number of decimal digits it has is: 14
• The sum of 31386857388430's digits is 67
• More coming soon!