31547794781426121

Names of 31547794781426121

• Cardinal: 31547794781426121 can be written as Thirty-one quadrillion, five hundred forty-seven trillion, seven hundred ninety-four billion, seven hundred eighty-one million, four hundred twenty-six thousand, one hundred twenty-one.

Scientific notation

• Scientific notation: 3.1547794781426121 × 10¹⁶

Factors of 31547794781426121

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 54381

Divisors of 31547794781426121

• Number of divisors d(n): 105
• Complete list of divisors:
  1 3 9 11 27 33 81 99 121 243 297 363 729 891 1089 1331 2673 3267 3993 8019 9801 11979 14641 29403 35937 43923 54367 88209 107811 131769 163101 323433 395307 489303 598037 970299 1185921 1467909 1794111 3557763 4403727 5382333 6578407 10673289 13211181 16146999 19735221 39633543 48440997 59205663 72362477 145322991 177616989 217087431 435968973 532850967 651262293 795987247 1598552901 1953786879 2387961741 2955770689 4795658703 5861360637 7163885223 8867312067 17584081911 21491655669 26601936201 32513477579 52752245733 64474967007 79805808603 97540432737 193424901021 239417425809 292621298211 357648253369 580274703063 718252277427 877863894633 1072944760107 2154756832281 2633591683899 3218834280321 3934130787059 7900775051697 9656502840963 11802392361177 23702325155091 28969508522889 35407177083531 43275438657649 86908525568667 106221531250593 129826315972947 260725576706001 318664593751779 389478947918841 955993781255337 1168436843756523 2867981343766011 3505310531269569 10515931593808707 31547794781426121
• Sum of all divisors σ(n): 52030693859482605
• Sum of proper divisors (its aliquot sum) s(n): 20482899078056484
• 31547794781426121 is a deficient number, because the sum of its proper divisors (20482899078056484) is less than itself. Its deficiency is 11064895703369637

Bases of 31547794781426121

• Binary: 1110000000101001000110101011101011001001101000111001001₂
• Hexadecimal: 0x70148D5D64D1C9
• Base-36: 8MMRCUGXRK9

Squares and roots of 31547794781426121

• 31547794781426121 squared (31547794781426121²) is 995263355570977193680930581106641
• 31547794781426121 cubed (31547794781426121³) is 31398364095026724202216548338607897964392363969561
• 31547794781426121 is a perfect square number. Its square root is 177616989
• The cube root of 31547794781426121 is 315977.6288087899

Scales and comparisons

• 31,547,794,781,426,121 seconds is equal to 1,003,122,290 years, 16 weeks, 1 day, 21 hours, 55 minutes, 21 seconds.
• To count from 1 to 31,547,794,781,426,121 would take you about three billion, nine million, three hundred sixty-six thousand, eight hundred seventy 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 31547794781426121 cubic inches would be around 26331.5 feet tall.

Recreational maths with 31547794781426121

• 31547794781426121 backwards is 12162418749774513
• The number of decimal digits it has is: 17
• The sum of 31547794781426121's digits is 72
• More coming soon!