31997146186404

Names of 31997146186404

• Cardinal: 31997146186404 can be written as Thirty-one trillion, nine hundred ninety-seven billion, one hundred forty-six million, one hundred eighty-six thousand, four hundred four.

Scientific notation

• Scientific notation: 3.1997146186404 × 10¹³

Factors of 31997146186404

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 134693

Divisors of 31997146186404

• Number of divisors d(n): 81
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 42 49 63 84 98 126 147 196 252 294 441 588 882 1764 134681 269362 404043 538724 808086 942767 1212129 1616172 1885534 2424258 2828301 3771068 4848516 5656602 6599369 8484903 11313204 13198738 16969806 19798107 26397476 33939612 39596214 59394321 79192428 118788642 237577284 18138971761 36277943522 54416915283 72555887044 108833830566 126972802327 163250745849 217667661132 253945604654 326501491698 380918406981 507891209308 653002983396 761836813962 888809616289 1142755220943 1523673627924 1777619232578 2285510441886 2666428848867 3555238465156 4571020883772 5332857697734 7999286546601 10665715395468 15998573093202 31997146186404
• Sum of all divisors σ(n): 94087545119841
• Sum of proper divisors (its aliquot sum) s(n): 62090398933437
• 31997146186404 is an abundant number, because the sum of its proper divisors (62090398933437) is greater than itself. Its abundance is 30093252747033

Bases of 31997146186404

• Binary: 111010001100111101010100010000100001010100100₂
• Hexadecimal: 0x1D19EA8842A4
• Base-36: BCBAAP410

Squares and roots of 31997146186404

• 31997146186404 squared (31997146186404²) is 1023817364074108040714451216
• 31997146186404 cubed (31997146186404³) is 32759233866458041731384275089566100467264
• 31997146186404 is a perfect square number. Its square root is 5656602
• The cube root of 31997146186404 is 31747.0772307433

Scales and comparisons

• 31,997,146,186,404 seconds is equal to 1,017,410 years, 14 weeks, 2 days, 2 hours, 53 minutes, 24 seconds.
• To count from 1 to 31,997,146,186,404 would take you about two million, five hundred forty-three thousand, five hundred twenty-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 31997146186404 cubic inches would be around 2645.6 feet tall.

Recreational maths with 31997146186404

• 31997146186404 backwards is 40468164179913
• 31997146186404 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 31997146186404's digits is 63
• More coming soon!