21120028248832

Names of 21120028248832

• Cardinal: 21120028248832 can be written as Twenty-one trillion, one hundred twenty billion, twenty-eight million, two hundred forty-eight thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1120028248832 × 10¹³

Factors of 21120028248832

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2038

Divisors of 21120028248832

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 32 64 128 256 367 734 1468 1669 2936 3338 5872 6676 11744 13352 23488 26704 46976 53408 93952 106816 134689 213632 269378 427264 538756 612523 1077512 1225046 2155024 2450092 4310048 4900184 8620096 9800368 17240192 19600736 34480384 39201472 49430863 78402944 98861726 156805888 197723452 224795941 395446904 449591882 790893808 899183764 1581787616 1798367528 3163575232 3596735056 6327150464 7193470112 12654300928 14386940224 28773880448 57547760896 82500110347 165000220694 330000441388 660000882776 1320001765552 2640003531104 5280007062208 10560014124416 21120028248832
• Sum of all divisors σ(n): 42298069150400
• Sum of proper divisors (its aliquot sum) s(n): 21178040901568
• 21120028248832 is an abundant number, because the sum of its proper divisors (21178040901568) is greater than itself. Its abundance is 58012652736

Bases of 21120028248832

• Binary: 100110011010101100011110010000000101100000000₂
• Hexadecimal: 0x133563C80B00
• Base-36: 7HIENIL8G

Squares and roots of 21120028248832

• 21120028248832 squared (21120028248832²) is 446055593231461676509364224
• 21120028248832 cubed (21120028248832³) is 9420706729597986463775786562256390586368
• The square root of 21120028248832 is 4595653.1906609315
• The cube root of 21120028248832 is 27641.7052439903

Scales and comparisons

• 21,120,028,248,832 seconds is equal to 671,551 years, 29 weeks, 4 days, 9 hours, 33 minutes, 52 seconds.
• To count from 1 to 21,120,028,248,832 would take you about one million, six hundred seventy-eight thousand, eight hundred seventy-eight 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 21120028248832 cubic inches would be around 2303.5 feet tall.

Recreational maths with 21120028248832

• 21120028248832 backwards is 23884282002112
• The number of decimal digits it has is: 14
• The sum of 21120028248832's digits is 43
• More coming soon!