31022145

Names of 31022145

• Cardinal: 31022145 can be written as Thirty-one million, twenty-two thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 3.1022145 × 10⁷

Factors of 31022145

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1305

Divisors of 31022145

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 7 9 11 15 21 33 35 45 49 55 63 77 99 105 147 165 231 245 315 385 441 495 539 693 735 1155 1279 1617 2205 2695 3465 3837 4851 6395 8085 8953 11511 14069 19185 24255 26859 42207 44765 57555 62671 70345 80577 98483 126621 134295 188013 211035 295449 313355 402885 492415 564039 633105 689381 886347 940065 1477245 2068143 2820195 3446905 4431735 6204429 10340715 31022145
• Sum of all divisors σ(n): 68290560
• Sum of proper divisors (its aliquot sum) s(n): 37268415
• 31022145 is an abundant number, because the sum of its proper divisors (37268415) is greater than itself. Its abundance is 6246270

Bases of 31022145

• Binary: 1110110010101110001000001₂
• Hexadecimal: 0x1D95C41
• Base-36: IGWU9

Squares and roots of 31022145

• 31022145 squared (31022145²) is 962373480401025
• 31022145 cubed (31022145³) is 29854889653155255698625
• The square root of 31022145 is 5569.7526875077
• The cube root of 31022145 is 314.2128494501

Scales and comparisons

• 31,022,145 seconds is equal to 51 weeks, 2 days, 1 hour, 15 minutes, 45 seconds.
• To count from 1 to 31,022,145 would take you about twenty-four weeks!

  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 31022145 cubic inches would be around 26.2 feet tall.

Recreational maths with 31022145

• 31022145 backwards is 54122013
• The number of decimal digits it has is: 8
• The sum of 31022145's digits is 18
• More coming soon!