21144074432

Names of 21144074432

• Cardinal: 21144074432 can be written as Twenty-one billion, one hundred forty-four million, seventy-four thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 2.1144074432 × 10¹⁰

Factors of 21144074432

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1104975

Divisors of 21144074432

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 13 16 23 26 32 46 52 64 92 104 184 208 299 368 416 598 736 832 1196 1472 2392 4784 9568 19136 1104937 2209874 4419748 8839496 14364181 17678992 25413551 28728362 35357984 50827102 57456724 70715968 101654204 114913448 203308408 229826896 330376163 406616816 459653792 660752326 813233632 919307584 1321504652 1626467264 2643009304 5286018608 10572037216 21144074432
• Sum of all divisors σ(n): 47149914336
• Sum of proper divisors (its aliquot sum) s(n): 26005839904
• 21144074432 is an abundant number, because the sum of its proper divisors (26005839904) is greater than itself. Its abundance is 4861765472

Bases of 21144074432

• Binary: 10011101100010010001111100011000000₂
• Hexadecimal: 0x4EC48F8C0
• Base-36: 9POMW8W

Squares and roots of 21144074432

• 21144074432 squared (21144074432²) is 447071883585956122624
• 21144074432 cubed (21144074432³) is 9452921182995895326647975149568
• The square root of 21144074432 is 145410.0217729163
• The cube root of 21144074432 is 2765.2191742131

Scales and comparisons

• 21,144,074,432 seconds is equal to 672 years, 16 weeks, 3 days, 2 hours, 32 seconds.
• To count from 1 to 21,144,074,432 would take you about one thousand, three hundred forty-four 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 21144074432 cubic inches would be around 230.4 feet tall.

Recreational maths with 21144074432

• 21144074432 backwards is 23447044112
• 21144074432 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21144074432's digits is 32
• More coming soon!