31085912816

Names of 31085912816

• Cardinal: 31085912816 can be written as Thirty-one billion, eighty-five million, nine hundred twelve thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 3.1085912816 × 10¹⁰

Factors of 31085912816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 6274

Divisors of 31085912816

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 28 49 56 67 97 98 112 134 194 196 268 388 392 469 536 679 776 784 938 1072 1358 1552 1876 2716 3283 3752 4753 5432 6101 6499 6566 7504 9506 10864 12202 12998 13132 19012 24404 25996 26264 38024 42707 45493 48808 51992 52528 76048 85414 90986 97616 103984 170828 181972 298949 318451 341656 363944 408767 591797 597898 636902 683312 727888 817534 1183594 1195796 1273804 1635068 2367188 2391592 2547608 2861369 3270136 4142579 4734376 4783184 5095216 5722738 6540272 8285158 9468752 11445476 16570316 20029583 22890952 28998053 33140632 39650399 40059166 45781904 57996106 66281264 79300798 80118332 115992212 158601596 160236664 231984424 277552793 317203192 320473328 463968848 555105586 634406384 1110211172 1942869551 2220422344 3885739102 4440844688 7771478204 15542956408 31085912816
• Sum of all divisors σ(n): 71852807376
• Sum of proper divisors (its aliquot sum) s(n): 40766894560
• 31085912816 is an abundant number, because the sum of its proper divisors (40766894560) is greater than itself. Its abundance is 9680981744

Bases of 31085912816

• Binary: 11100111100110111010110001011110000₂
• Hexadecimal: 0x73CDD62F0
• Base-36: EA3QZU8

Squares and roots of 31085912816

• 31085912816 squared (31085912816²) is 966333975603953049856
• 31085912816 cubed (31085912816³) is 30039373716763155452780917354496
• The square root of 31085912816 is 176311.9758155981
• The cube root of 31085912816 is 3144.2799633935

Scales and comparisons

• 31,085,912,816 seconds is equal to 988 years, 22 weeks, 4 days, 15 hours, 46 minutes, 56 seconds.
• To count from 1 to 31,085,912,816 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 31085912816 cubic inches would be around 262 feet tall.

Recreational maths with 31085912816

• 31085912816 backwards is 61821958013
• The number of decimal digits it has is: 11
• The sum of 31085912816's digits is 44
• More coming soon!