31890051730

Names of 31890051730

• Cardinal: 31890051730 can be written as Thirty-one billion, eight hundred ninety million, fifty-one thousand, seven hundred thirty.

Scientific notation

• Scientific notation: 3.189005173 × 10¹⁰

Factors of 31890051730

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 6923

Divisors of 31890051730

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 5 10 37 43 74 86 185 215 307 370 430 614 1535 1591 3070 3182 6529 7955 11359 13058 13201 15910 22718 26402 32645 56795 65290 66005 113590 132010 241573 280747 483146 488437 561494 976874 1207865 1403735 2004403 2415730 2442185 2807470 4008806 4884370 10022015 10387639 20044030 20775278 51938195 74162911 86189329 103876390 148325822 172378658 370814555 430946645 741629110 861893290 3189005173 6378010346 15945025865 31890051730
• Sum of all divisors σ(n): 60530279040
• Sum of proper divisors (its aliquot sum) s(n): 28640227310
• 31890051730 is a deficient number, because the sum of its proper divisors (28640227310) is less than itself. Its deficiency is 3249824420

Bases of 31890051730

• Binary: 11101101100110010111001001010010010₂
• Hexadecimal: 0x76CCB9292
• Base-36: ENEIHEA

Squares and roots of 31890051730

• 31890051730 squared (31890051730²) is 1016975399342075992900
• 31890051730 cubed (31890051730³) is 32431398093156211379172112717000
• The square root of 31890051730 is 178577.8590139327
• The cube root of 31890051730 is 3171.1618482609

Scales and comparisons

• 31,890,051,730 seconds is equal to 1,014 years, 1 day, 19 hours, 42 minutes, 10 seconds.
• To count from 1 to 31,890,051,730 would take you about two thousand and twenty-eight 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 31890051730 cubic inches would be around 264.3 feet tall.

Recreational maths with 31890051730

• 31890051730 backwards is 03715009813
• 31890051730 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31890051730's digits is 37
• More coming soon!