31122618690

Names of 31122618690

• Cardinal: 31122618690 can be written as Thirty-one billion, one hundred twenty-two million, six hundred eighteen thousand, six hundred ninety.

Scientific notation

• Scientific notation: 3.112261869 × 10¹⁰

Factors of 31122618690

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 139683

Divisors of 31122618690

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 10 15 30 43 86 129 173 215 258 346 430 519 645 865 1038 1290 1730 2595 5190 7439 14878 22317 37195 44634 74390 111585 139457 223170 278914 418371 697285 836742 1394570 2091855 4183710 5996651 11993302 17989953 24126061 29983255 35979906 48252122 59966510 72378183 89949765 120630305 144756366 179899530 241260610 361890915 723781830 1037420623 2074841246 3112261869 5187103115 6224523738 10374206230 15561309345 31122618690
• Sum of all divisors σ(n): 76873712256
• Sum of proper divisors (its aliquot sum) s(n): 45751093566
• 31122618690 is an abundant number, because the sum of its proper divisors (45751093566) is greater than itself. Its abundance is 14628474876

Bases of 31122618690

• Binary: 11100111111000011010111100101000010₂
• Hexadecimal: 0x73F0D7942
• Base-36: EAPLQ9U

Squares and roots of 31122618690

• 31122618690 squared (31122618690²) is 968617394123137316100
• 31122618690 cubed (31122618690³) is 30145909813795849595490297909000
• The square root of 31122618690 is 176416.0386416155
• The cube root of 31122618690 is 3145.5170526639

Scales and comparisons

• 31,122,618,690 seconds is equal to 989 years, 31 weeks, 2 days, 11 hours, 51 minutes, 30 seconds.
• To count from 1 to 31,122,618,690 would take you about one thousand, nine hundred seventy-nine 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 31122618690 cubic inches would be around 262.1 feet tall.

Recreational maths with 31122618690

• 31122618690 backwards is 09681622113
• The number of decimal digits it has is: 11
• The sum of 31122618690's digits is 39
• More coming soon!