21446357832

Names of 21446357832

• Cardinal: 21446357832 can be written as Twenty-one billion, four hundred forty-six million, three hundred fifty-seven thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1446357832 × 10¹⁰

Factors of 21446357832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 84023

Divisors of 21446357832

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 36 72 3709 7418 11127 14836 22254 29672 33381 44508 66762 80309 89016 133524 160618 240927 267048 321236 481854 642472 722781 963708 1445562 1927416 2891124 5782248 297866081 595732162 893598243 1191464324 1787196486 2382928648 2680794729 3574392972 5361589458 7148785944 10723178916 21446357832
• Sum of all divisors σ(n): 58100269500
• Sum of proper divisors (its aliquot sum) s(n): 36653911668
• 21446357832 is an abundant number, because the sum of its proper divisors (36653911668) is greater than itself. Its abundance is 15207553836

Bases of 21446357832

• Binary: 10011111110010011010111001101001000₂
• Hexadecimal: 0x4FE4D7348
• Base-36: 9UOLVM0

Squares and roots of 21446357832

• 21446357832 squared (21446357832²) is 459946264258187740224
• 21446357832 cubed (21446357832³) is 9864172166772726312679363834368
• The square root of 21446357832 is 146445.7504743651
• The cube root of 21446357832 is 2778.3343986491

Scales and comparisons

• 21,446,357,832 seconds is equal to 681 years, 48 weeks, 1 day, 17 hours, 37 minutes, 12 seconds.
• To count from 1 to 21,446,357,832 would take you about one thousand, three hundred sixty-three 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 21446357832 cubic inches would be around 231.5 feet tall.

Recreational maths with 21446357832

• 21446357832 backwards is 23875364412
• The number of decimal digits it has is: 11
• The sum of 21446357832's digits is 45
• More coming soon!