31456850642

Names of 31456850642

• Cardinal: 31456850642 can be written as Thirty-one billion, four hundred fifty-six million, eight hundred fifty thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 3.1456850642 × 10¹⁰

Factors of 31456850642

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 5743

Divisors of 31456850642

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 7 14 19 38 133 139 157 266 278 314 973 1099 1946 2198 2641 2983 5282 5419 5966 10838 18487 20881 21823 36974 37933 41762 43646 75866 102961 152761 205922 305522 414637 720727 753241 829274 850783 1441454 1506482 1701566 2902459 5272687 5804918 5955481 10545374 11910962 14311579 16164877 28623158 32329754 100181053 113154139 118258837 200362106 226308278 236517674 827811859 1655623718 2246917903 4493835806 15728425321 31456850642
• Sum of all divisors σ(n): 57547392000
• Sum of proper divisors (its aliquot sum) s(n): 26090541358
• 31456850642 is a deficient number, because the sum of its proper divisors (26090541358) is less than itself. Its deficiency is 5366309284

Bases of 31456850642

• Binary: 11101010010111110010111001011010010₂
• Hexadecimal: 0x752F972D2
• Base-36: EG8LHAQ

Squares and roots of 31456850642

• 31456850642 squared (31456850642²) is 989533452313095812164
• 31456850642 cubed (31456850642³) is 31127606014675684383878634809288
• The square root of 31456850642 is 177360.7922907427
• The cube root of 31456850642 is 3156.7370929915

Scales and comparisons

• 31,456,850,642 seconds is equal to 1,000 years, 11 weeks, 6 days, 22 hours, 4 minutes, 2 seconds.
• To count from 1 to 31,456,850,642 would take you about two thousand 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 31456850642 cubic inches would be around 263.1 feet tall.

Recreational maths with 31456850642

• 31456850642 backwards is 24605865413
• The number of decimal digits it has is: 11
• The sum of 31456850642's digits is 44
• More coming soon!