21520234224

Names of 21520234224

• Cardinal: 21520234224 can be written as Twenty-one billion, five hundred twenty million, two hundred thirty-four thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 2.1520234224 × 10¹⁰

Factors of 21520234224

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 540

Divisors of 21520234224

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 36 37 48 54 62 72 74 81 93 108 111 124 144 148 162 186 216 222 248 279 296 324 333 372 432 444 467 496 558 592 648 666 744 837 888 934 961 999 1116 1147 1296 1332 1401 1488 1674 1776 1868 1922 1998 2232 2294 2511 2664 2802 2883 2997 3348 3441 3736 3844 3996 4203 4464 4588 5022 5328 5604 5766 5994 6696 6882 7472 7688 7992 8406 8649 9176 10044 10323 11208 11532 11988 12609 13392 13764 14477 15376 15984 16812 17279 17298 18352 20088 20646 22416 23064 23976 25218 25947 27528 28954 30969 33624 34558 34596 35557 37827 40176 41292 43431 46128 47952 50436 51837 51894 55056 57908 61938 67248 69116 69192 71114 75654 77841 82584 86862 92907 100872 103674 103788 106671 115816 123876 130293 138232 138384 142228 151308 155511 155682 165168 173724 185814 201744 207348 207576 213342 231632 247752 260586 276464 284456 302616 311022 311364 320013 347448 371628 390879 414696 415152 426684 448787 466533 495504 521172 535649 568912 605232 622044 622728 640026 694896 743256 781758 829392 853368 897574 933066 960039 1042344 1071298 1172637 1244088 1245456 1280052 1346361 1399599 1486512 1563516 1606947 1706736 1795148 1866132 1920078 2084688 2142596 2345274 2488176 2560104 2692722 2799198 2880117 3127032 3213894 3590296 3732264 3840156 4039083 4285192 4690548 4820841 5120208 5385444 5598396 5760234 6254064 6427788 7180592 7464528 7680312 8078166 8570384 9381096 9641682 10770888 11196792 11520468 12117249 12855576 14462523 15360624 16156332 16605119 18762192 19283364 21541776 22393584 23040936 24234498 25711152 28925046 32312664 33210238 36351747 38566728 43387569 46081872 48468996 49815357 57850092 64625328 66420476 72703494 77133456 86775138 96937992 99630714 115700184 132840952 145406988 149446071 173550276 193875984 199261428 231400368 265681904 290813976 298892142 347100552 398522856 448338213 581627952 597784284 694201104 797045712 896676426 1195568568 1345014639 1793352852 2391137136 2690029278 3586705704 5380058556 7173411408 10760117112 21520234224
• Sum of all divisors σ(n): 66240829512
• Sum of proper divisors (its aliquot sum) s(n): 44720595288
• 21520234224 is an abundant number, because the sum of its proper divisors (44720595288) is greater than itself. Its abundance is 23200361064

Bases of 21520234224

• Binary: 10100000010101101001011011011110000₂
• Hexadecimal: 0x502B4B6F0
• Base-36: 9VWLB00

Squares and roots of 21520234224

• 21520234224 squared (21520234224²) is 463120481055820882176
• 21520234224 cubed (21520234224³) is 9966461226252820203017826791424
• The square root of 21520234224 is 146697.7648909485
• The cube root of 21520234224 is 2781.5209240511

Scales and comparisons

• 21,520,234,224 seconds is equal to 684 years, 14 weeks, 2 days, 18 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,520,234,224 would take you about one thousand, three hundred sixty-eight 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 21520234224 cubic inches would be around 231.8 feet tall.

Recreational maths with 21520234224

• 21520234224 backwards is 42243202512
• 21520234224 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21520234224's digits is 27
• More coming soon!