31123997086

Names of 31123997086

• Cardinal: 31123997086 can be written as Thirty-one billion, one hundred twenty-three million, nine hundred ninety-seven thousand and eighty-six.

Scientific notation

• Scientific notation: 3.1123997086 × 10¹⁰

Factors of 31123997086

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 528

Divisors of 31123997086

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 7 13 14 17 26 31 34 49 62 91 98 119 151 182 217 221 238 302 307 403 434 442 527 614 637 806 833 1054 1057 1274 1519 1547 1666 1963 2114 2149 2567 2821 3038 3094 3689 3926 3991 4298 4681 5134 5219 5642 6851 7378 7399 7982 9362 9517 10438 10829 13702 13741 14798 15043 17969 19034 19747 21658 25823 27482 27937 30086 32767 33371 35938 36533 39494 46357 47957 51646 55874 60853 65534 66619 66742 67847 73066 79577 92714 95914 96187 121706 123721 125783 133238 135694 159154 161789 192374 195559 229369 233597 247442 251566 255731 323578 324499 335699 391118 425971 458738 466333 467194 474929 511462 557039 602641 648998 671398 788069 851942 866047 932666 949858 1034501 1114078 1132523 1205282 1437067 1576138 1635179 1732094 2069002 2103257 2265046 2271493 2874134 2981797 3270358 3324503 3899273 4206514 4218487 4542986 5516483 5963594 6062329 6649006 7241507 7798546 7927661 8436974 10059469 10244897 11032966 12124658 14483014 14722799 15855322 18681871 20118938 20489794 24430139 29445598 29529409 37363742 38615381 48860278 50690549 59058818 70416283 71714279 77230762 101381098 103059593 130773097 140832566 143428558 171010973 206119186 261546194 317591807 342021946 501999953 635183614 915411679 1003999906 1197076811 1830823358 2223142649 2394153622 4446285298 15561998543 31123997086
• Sum of all divisors σ(n): 64556642304
• Sum of proper divisors (its aliquot sum) s(n): 33432645218
• 31123997086 is an abundant number, because the sum of its proper divisors (33432645218) is greater than itself. Its abundance is 2308648132

Bases of 31123997086

• Binary: 11100111111001000101000000110011110₂
• Hexadecimal: 0x73F22819E
• Base-36: EAQF9UM

Squares and roots of 31123997086

• 31123997086 squared (31123997086²) is 968703194609336491396
• 31123997086 cubed (31123997086³) is 30149915406219879866602568072056
• The square root of 31123997086 is 176419.9452612999
• The cube root of 31123997086 is 3145.5634894603

Scales and comparisons

• 31,123,997,086 seconds is equal to 989 years, 33 weeks, 4 days, 10 hours, 44 minutes, 46 seconds.
• To count from 1 to 31,123,997,086 would take you about one thousand, nine hundred seventy-nine 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 31123997086 cubic inches would be around 262.1 feet tall.

Recreational maths with 31123997086

• 31123997086 backwards is 68079932113
• 31123997086 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31123997086's digits is 49
• More coming soon!