21207460640512

Names of 21207460640512

• Cardinal: 21207460640512 can be written as Twenty-one trillion, two hundred seven billion, four hundred sixty million, six hundred forty thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.1207460640512 × 10¹³

Factors of 21207460640512

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3959851

Divisors of 21207460640512

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 128 136 256 272 544 1088 1231 2176 2462 4352 4924 9848 19696 20927 39392 41854 78784 83708 157568 167416 315136 334832 669664 1339328 2678656 3958601 5357312 7917202 15834404 31668808 63337616 67296217 126675232 134592434 253350464 269184868 506700928 538369736 1013401856 1076739472 2153478944 4306957888 4873037831 8613915776 9746075662 17227831552 19492151324 38984302648 77968605296 82841643127 155937210592 165683286254 311874421184 331366572508 623748842368 662733145016 1247497684736 1325466290032 2650932580064 5301865160128 10603730320256 21207460640512
• Sum of all divisors σ(n): 44858624513472
• Sum of proper divisors (its aliquot sum) s(n): 23651163872960
• 21207460640512 is an abundant number, because the sum of its proper divisors (23651163872960) is greater than itself. Its abundance is 2443703232448

Bases of 21207460640512

• Binary: 100110100100110111111001010000111011100000000₂
• Hexadecimal: 0x1349BF287700
• Base-36: 7IMKMI6F4

Squares and roots of 21207460640512

• 21207460640512 squared (21207460640512²) is 449756386818865649295622144
• 21207460640512 cubed (21207460640512³) is 9538190871279983336936209555631770697728
• The square root of 21207460640512 is 4605155.8758105029
• The cube root of 21207460640512 is 27679.7963083233

Scales and comparisons

• 21,207,460,640,512 seconds is equal to 674,331 years, 33 weeks, 5 days, 9 hours, 1 minute, 52 seconds.
• To count from 1 to 21,207,460,640,512 would take you about one million, six hundred eighty-five thousand, eight hundred twenty-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 21207460640512 cubic inches would be around 2306.6 feet tall.

Recreational maths with 21207460640512

• 21207460640512 backwards is 21504606470212
• The number of decimal digits it has is: 14
• The sum of 21207460640512's digits is 40
• More coming soon!