21033447424

Names of 21033447424

• Cardinal: 21033447424 can be written as Twenty-one billion, thirty-three million, four hundred forty-seven thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 2.1033447424 × 10¹⁰

Factors of 21033447424

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 81

Divisors of 21033447424

• Number of divisors d(n): 234
• Complete list of divisors:
  1 2 4 8 11 16 22 31 32 37 44 62 64 74 88 121 124 128 148 176 242 248 256 296 341 352 407 484 496 512 592 682 704 814 968 992 1024 1147 1184 1364 1369 1408 1628 1936 1984 2048 2294 2368 2728 2738 2816 3256 3751 3872 3968 4096 4477 4588 4736 5456 5476 5632 6512 7502 7744 7936 8954 9176 9472 10912 10952 11264 12617 13024 15004 15059 15488 15872 17908 18352 18944 21824 21904 22528 25234 26048 30008 30118 30976 31744 35816 36704 37888 42439 43648 43808 45056 50468 52096 60016 60236 61952 63488 71632 73408 75776 84878 87296 87616 100936 104192 120032 120472 123904 126976 138787 143264 146816 151552 165649 169756 174592 175232 201872 208384 240064 240944 247808 277574 286528 293632 331298 339512 349184 350464 403744 416768 466829 480128 481888 495616 555148 573056 587264 662596 679024 698368 700928 807488 833536 933658 960256 963776 1110296 1146112 1174528 1325192 1358048 1396736 1401856 1614976 1667072 1867316 1920512 1927552 2220592 2292224 2349056 2650384 2716096 2803712 3229952 3734632 3841024 3855104 4441184 4584448 4698112 5135119 5300768 5432192 5607424 6459904 7469264 7682048 7710208 8882368 9168896 10270238 10601536 10864384 12919808 14938528 15364096 15420416 17764736 18337792 20540476 21203072 21728768 25839616 29877056 30840832 35529472 41080952 42406144 43457536 51679232 59754112 61681664 71058944 82161904 84812288 86915072 119508224 142117888 164323808 169624576 173830144 239016448 284235776 328647616 339249152 478032896 568471552 657295232 678498304 956065792 1314590464 1912131584 2629180928 5258361856 10516723712 21033447424
• Sum of all divisors σ(n): 49049280672
• Sum of proper divisors (its aliquot sum) s(n): 28015833248
• 21033447424 is an abundant number, because the sum of its proper divisors (28015833248) is greater than itself. Its abundance is 6982385824

Bases of 21033447424

• Binary: 10011100101101100001111000000000000₂
• Hexadecimal: 0x4E5B0F000
• Base-36: 9NURRWG

Squares and roots of 21033447424

• 21033447424 squared (21033447424²) is 442405910538172235776
• 21033447424 cubed (21033447424³) is 9305321459371493266251027841024
• The square root of 21033447424 is 145029.1261229965
• The cube root of 21033447424 is 2760.3881439697

Scales and comparisons

• 21,033,447,424 seconds is equal to 668 years, 41 weeks, 3 days, 16 hours, 17 minutes, 4 seconds.
• To count from 1 to 21,033,447,424 would take you about one thousand, three hundred thirty-seven 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 21033447424 cubic inches would be around 230 feet tall.

Recreational maths with 21033447424

• 21033447424 backwards is 42474433012
• The number of decimal digits it has is: 11
• The sum of 21033447424's digits is 34
• More coming soon!