21031032

Names of 21031032

• Cardinal: 21031032 can be written as Twenty-one million, thirty-one thousand and thirty-two.

Scientific notation

• Scientific notation: 2.1031032 × 10⁷

Factors of 21031032

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 153

Divisors of 21031032

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 24 29 33 41 44 58 66 67 82 87 88 116 123 132 134 164 174 201 232 246 264 268 319 328 348 402 451 492 536 638 696 737 804 902 957 984 1189 1276 1353 1474 1608 1804 1914 1943 2211 2378 2552 2706 2747 2948 3567 3608 3828 3886 4422 4756 5412 5494 5829 5896 7134 7656 7772 8241 8844 9512 10824 10988 11658 13079 14268 15544 16482 17688 21373 21976 23316 26158 28536 30217 32964 39237 42746 46632 52316 60434 64119 65928 78474 79663 85492 90651 104632 120868 128238 156948 159326 170984 181302 238989 241736 256476 313896 318652 362604 477978 512952 637304 725208 876293 955956 1752586 1911912 2628879 3505172 5257758 7010344 10515516 21031032
• Sum of all divisors σ(n): 61689600
• Sum of proper divisors (its aliquot sum) s(n): 40658568
• 21031032 is an abundant number, because the sum of its proper divisors (40658568) is greater than itself. Its abundance is 19627536

Bases of 21031032

• Binary: 1010000001110100001111000₂
• Hexadecimal: 0x140E878
• Base-36: CIRNC

Squares and roots of 21031032

• 21031032 squared (21031032²) is 442304306985024
• 21031032 cubed (21031032³) is 9302116033939863264768
• The square root of 21031032 is 4585.9603138275
• The cube root of 21031032 is 276.0282474765

Scales and comparisons

• 21,031,032 seconds is equal to 34 weeks, 5 days, 9 hours, 57 minutes, 12 seconds.
• To count from 1 to 21,031,032 would take you about two hours!

  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 21031032 cubic inches would be around 23 feet tall.

Recreational maths with 21031032

• 21031032 backwards is 23013012
• 21031032 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 21031032's digits is 12
• More coming soon!