31128042

Names of 31128042

• Cardinal: 31128042 can be written as Thirty-one million, one hundred twenty-eight thousand and forty-two.

Scientific notation

• Scientific notation: 3.1128042 × 10⁷

Factors of 31128042

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 379

Divisors of 31128042

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 11 19 22 33 38 57 66 103 114 206 209 241 309 418 482 618 627 723 1133 1254 1446 1957 2266 2651 3399 3914 4579 5302 5871 6798 7953 9158 11742 13737 15906 21527 24823 27474 43054 49646 50369 64581 74469 100738 129162 148938 151107 273053 302214 471637 546106 819159 943274 1414911 1638318 2829822 5188007 10376014 15564021 31128042
• Sum of all divisors σ(n): 72483840
• Sum of proper divisors (its aliquot sum) s(n): 41355798
• 31128042 is an abundant number, because the sum of its proper divisors (41355798) is greater than itself. Its abundance is 10227756

Bases of 31128042

• Binary: 1110110101111100111101010₂
• Hexadecimal: 0x1DAF9EA
• Base-36: IJ6JU

Squares and roots of 31128042

• 31128042 squared (31128042²) is 968954998753764
• 31128042 cubed (31128042³) is 30161671897317113450088
• The square root of 31128042 is 5579.2510250033
• The cube root of 31128042 is 314.5699750693

Scales and comparisons

• 31,128,042 seconds is equal to 51 weeks, 3 days, 6 hours, 40 minutes, 42 seconds.
• To count from 1 to 31,128,042 would take you about twenty-five 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 31128042 cubic inches would be around 26.2 feet tall.

Recreational maths with 31128042

• 31128042 backwards is 24082113
• The number of decimal digits it has is: 8
• The sum of 31128042's digits is 21
• More coming soon!