31138963680

Names of 31138963680

• Cardinal: 31138963680 can be written as Thirty-one billion, one hundred thirty-eight million, nine hundred sixty-three thousand, six hundred eighty.

Scientific notation

• Scientific notation: 3.113896368 × 10¹⁰

Factors of 31138963680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5897552

Divisors of 31138963680

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 32 33 40 44 48 55 60 66 80 88 96 110 120 132 160 165 176 220 240 264 330 352 440 480 528 660 880 1056 1320 1760 2640 5280 5897531 11795062 17692593 23590124 29487655 35385186 47180248 58975310 64872841 70770372 88462965 94360496 117950620 129745682 141540744 176925930 188720992 194618523 235901240 259491364 283081488 324364205 353851860 389237046 471802480 518982728 566162976 648728410 707703720 778474092 943604960 973092615 1037965456 1297456820 1415407440 1556948184 1946185230 2075930912 2594913640 2830814880 3113896368 3892370460 5189827280 6227792736 7784740920 10379654560 15569481840 31138963680
• Sum of all divisors σ(n): 107004820608
• Sum of proper divisors (its aliquot sum) s(n): 75865856928
• 31138963680 is an abundant number, because the sum of its proper divisors (75865856928) is greater than itself. Its abundance is 44726893248

Bases of 31138963680

• Binary: 11101000000000001101110000011100000₂
• Hexadecimal: 0x74006E0E0
• Base-36: EAZC25C

Squares and roots of 31138963680

• 31138963680 squared (31138963680²) is 969635059064359142400
• 31138963680 cubed (31138963680³) is 30193430887059734117669548032000
• The square root of 31138963680 is 176462.3576857117
• The cube root of 31138963680 is 3146.0676109515

Scales and comparisons

• 31,138,963,680 seconds is equal to 990 years, 6 weeks, 2 days, 16 hours, 8 minutes.
• To count from 1 to 31,138,963,680 would take you about one thousand, nine hundred eighty 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 31138963680 cubic inches would be around 262.2 feet tall.

Recreational maths with 31138963680

• 31138963680 backwards is 08636983113
• 31138963680 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31138963680's digits is 48
• More coming soon!