31077321385

Names of 31077321385

• Cardinal: 31077321385 can be written as Thirty-one billion, seventy-seven million, three hundred twenty-one thousand, three hundred eighty-five.

Scientific notation

• Scientific notation: 3.1077321385 × 10¹⁰

Factors of 31077321385

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 3362

Divisors of 31077321385

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 11 37 55 61 79 185 305 395 407 671 869 2035 2257 2923 3169 3355 4345 4819 11285 14615 15845 24095 24827 32153 34859 53009 117253 124135 160765 174295 178303 193309 250351 265045 586265 891515 966545 1251755 1289783 1961333 2126399 2753861 6448915 7152433 9262987 9806665 10631995 13769305 15271411 35762165 46314935 76357055 78676763 101892857 167985521 393383815 509464285 565042207 839927605 2825211035 6215464277 31077321385
• Sum of all divisors σ(n): 43018675200
• Sum of proper divisors (its aliquot sum) s(n): 11941353815
• 31077321385 is a deficient number, because the sum of its proper divisors (11941353815) is less than itself. Its deficiency is 19135967570

Bases of 31077321385

• Binary: 11100111100010110100100101010101001₂
• Hexadecimal: 0x73C5A4AA9
• Base-36: E9YMUND

Squares and roots of 31077321385

• 31077321385 squared (31077321385²) is 965799904466578318225
• 31077321385 cubed (31077321385³) is 30014474024710151386751127741625
• The square root of 31077321385 is 176287.6098453887
• The cube root of 31077321385 is 3143.9902678267

Scales and comparisons

• 31,077,321,385 seconds is equal to 988 years, 8 weeks, 3 days, 5 hours, 16 minutes, 25 seconds.
• To count from 1 to 31,077,321,385 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 31077321385 cubic inches would be around 262 feet tall.

Recreational maths with 31077321385

• 31077321385 backwards is 58312377013
• The number of decimal digits it has is: 11
• The sum of 31077321385's digits is 40
• More coming soon!