21479499552

Names of 21479499552

• Cardinal: 21479499552 can be written as Twenty-one billion, four hundred seventy-nine million, four hundred ninety-nine thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 2.1479499552 × 10¹⁰

Factors of 21479499552

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 31963553

Divisors of 21479499552

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 84 96 112 168 224 336 672 31963541 63927082 95890623 127854164 191781246 223744787 255708328 383562492 447489574 511416656 671234361 767124984 894979148 1022833312 1342468722 1534249968 1789958296 2684937444 3068499936 3579916592 5369874888 7159833184 10739749776 21479499552
• Sum of all divisors σ(n): 64438500672
• Sum of proper divisors (its aliquot sum) s(n): 42959001120
• 21479499552 is an abundant number, because the sum of its proper divisors (42959001120) is greater than itself. Its abundance is 21479501568

Bases of 21479499552

• Binary: 10100000000010001110010011100100000₂
• Hexadecimal: 0x500472720
• Base-36: 9V8C7XC

Squares and roots of 21479499552

• 21479499552 squared (21479499552²) is 461368901004368200704
• 21479499552 cubed (21479499552³) is 9909973102430059117064614084608
• The square root of 21479499552 is 146558.8603667483
• The cube root of 21479499552 is 2779.7648107713

Scales and comparisons

• 21,479,499,552 seconds is equal to 682 years, 51 weeks, 7 hours, 39 minutes, 12 seconds.
• To count from 1 to 21,479,499,552 would take you about one thousand, three hundred sixty-five 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 21479499552 cubic inches would be around 231.6 feet tall.

Recreational maths with 21479499552

• 21479499552 backwards is 25599497412
• The number of decimal digits it has is: 11
• The sum of 21479499552's digits is 57
• More coming soon!