21332718528

Names of 21332718528

• Cardinal: 21332718528 can be written as Twenty-one billion, three hundred thirty-two million, seven hundred eighteen thousand, five hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1332718528 × 10¹⁰

Factors of 21332718528

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3801

Divisors of 21332718528

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 41 44 48 64 66 67 82 88 96 123 132 134 164 176 192 201 246 264 268 328 352 402 451 492 528 536 656 704 737 804 902 984 1056 1072 1312 1353 1474 1608 1804 1968 2112 2144 2211 2624 2706 2747 2948 3216 3608 3677 3936 4288 4422 5412 5494 5896 6432 7216 7354 7872 8241 8844 10824 10988 11031 11792 12864 14432 14708 16482 17688 21648 21976 22062 23584 28864 29416 30217 32964 35376 40447 43296 43952 44124 47168 58832 60434 65928 70752 80894 86592 87904 88248 90651 117664 120868 121341 131856 141504 150757 161788 175808 176496 181302 235328 241736 242682 246359 263712 301514 323576 352992 362604 452271 483472 485364 492718 527424 603028 647152 705984 725208 739077 904542 966944 970728 985436 1206056 1294304 1450416 1478154 1658327 1809084 1933888 1941456 1970872 2412112 2588608 2709949 2900832 2956308 3316654 3618168 3882912 3941744 4824224 4974981 5419898 5801664 5912616 6633308 7236336 7765824 7883488 8129847 9648448 9949962 10100719 10839796 11825232 13266616 14472672 15766976 16259694 19899924 20201438 21679592 23650464 26533232 28945344 30302157 32519388 39799848 40402876 43359184 47300928 53066464 60604314 65038776 79599696 80805752 86718368 106132928 111107909 121208628 130077552 159199392 161611504 173436736 222215818 242417256 260155104 318398784 323223008 333323727 444431636 484834512 520310208 646446016 666647454 888863272 969669024 1333294908 1777726544 1939338048 2666589816 3555453088 5333179632 7110906176 10666359264 21332718528
• Sum of all divisors σ(n): 64034627328
• Sum of proper divisors (its aliquot sum) s(n): 42701908800
• 21332718528 is an abundant number, because the sum of its proper divisors (42701908800) is greater than itself. Its abundance is 21369190272

Bases of 21332718528

• Binary: 10011110111100001110111001111000000₂
• Hexadecimal: 0x4F78773C0
• Base-36: 9SSY6YO

Squares and roots of 21332718528

• 21332718528 squared (21332718528²) is 455084879794874486784
• 21332718528 cubed (21332718528³) is 9708197647012771803651527933952
• The square root of 21332718528 is 146057.2440106961
• The cube root of 21332718528 is 2773.4184545085

Scales and comparisons

• 21,332,718,528 seconds is equal to 678 years, 16 weeks, 2 days, 11 hours, 8 minutes, 48 seconds.
• To count from 1 to 21,332,718,528 would take you about one thousand, three hundred fifty-six 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 21332718528 cubic inches would be around 231.1 feet tall.

Recreational maths with 21332718528

• 21332718528 backwards is 82581723312
• The number of decimal digits it has is: 11
• The sum of 21332718528's digits is 42
• More coming soon!