21023284968

Names of 21023284968

• Cardinal: 21023284968 can be written as Twenty-one billion, twenty-three million, two hundred eighty-four thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1023284968 × 10¹⁰

Factors of 21023284968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 822

Divisors of 21023284968

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 41 42 49 54 56 63 72 81 82 84 98 108 123 126 147 162 164 168 189 196 216 243 246 252 287 294 324 328 343 369 378 392 441 486 492 504 567 574 588 648 686 738 756 769 861 882 972 984 1029 1107 1134 1148 1176 1323 1372 1476 1512 1538 1701 1722 1764 1944 2009 2058 2214 2268 2296 2307 2583 2646 2744 2952 3076 3087 3321 3402 3444 3528 3969 4018 4116 4428 4536 4614 5166 5292 5383 6027 6152 6174 6642 6804 6888 6921 7749 7938 8036 8232 8856 9228 9261 9963 10332 10584 10766 11907 12054 12348 13284 13608 13842 14063 15498 15876 16072 16149 18081 18456 18522 19926 20664 20763 21532 23247 23814 24108 24696 26568 27684 27783 28126 30996 31529 31752 32298 36162 37044 37681 39852 41526 42189 43064 46494 47628 48216 48447 54243 55368 55566 56252 61992 62289 63058 64596 69741 72324 74088 75362 79704 83052 83349 84378 92988 94587 95256 96894 108486 111132 112504 113043 124578 126116 126567 129192 139482 144648 145341 150724 162729 166104 166698 168756 185976 186867 189174 193788 216972 220703 222264 226086 249156 252232 253134 263767 278964 283761 290682 301448 325458 333396 337512 339129 373734 378348 379701 387576 433944 436023 441406 452172 488187 498312 506268 527534 557928 567522 581364 650916 662109 666792 678258 747468 756696 759402 791301 851283 872046 882812 904344 976374 1012536 1017387 1055068 1135044 1139103 1162728 1301832 1308069 1324218 1356516 1494936 1518804 1544921 1582602 1702566 1744092 1765624 1952748 1986327 2034774 2110136 2270088 2278206 2373903 2553849 2616138 2648436 2713032 3037608 3052161 3089842 3165204 3405132 3417309 3488184 3905496 3972654 4069548 4556412 4634763 4747806 5107698 5232276 5296872 5958981 6104322 6179684 6330408 6810264 6834618 7121709 7661547 7945308 8139096 9112824 9156483 9269526 9495612 10215396 10464552 10814447 11917962 12208644 12359368 13669236 13904289 14243418 15323094 15890616 17876943 18312966 18539052 18991224 20430792 21365127 21628894 23835924 24417288 27338472 27808578 28486836 30646188 32443341 35753886 36625932 37078104 41712867 42730254 43257788 47671848 53630829 55617156 56973672 61292376 64095381 64886682 71507772 73251864 83425734 85460508 86515576 97330023 107261658 111234312 125138601 128190762 129773364 143015544 166851468 170921016 194660046 214523316 250277202 256381524 259546728 291990069 333702936 375415803 389320092 429046632 500554404 512763048 583980138 750831606 778640184 875970207 1001108808 1167960276 1501663212 1751940414 2335920552 2627910621 3003326424 3503880828 5255821242 7007761656 10511642484 21023284968
• Sum of all divisors σ(n): 70630560000
• Sum of proper divisors (its aliquot sum) s(n): 49607275032
• 21023284968 is an abundant number, because the sum of its proper divisors (49607275032) is greater than itself. Its abundance is 28583990064

Bases of 21023284968

• Binary: 10011100101000101011101111011101000₂
• Hexadecimal: 0x4E515DEE8
• Base-36: 9NOPYI0

Squares and roots of 21023284968

• 21023284968 squared (21023284968²) is 441978510845734761024
• 21023284968 cubed (21023284968³) is 9291840183242160568350931487232
• The square root of 21023284968 is 144994.0859759459
• The cube root of 21023284968 is 2759.9435054599

Scales and comparisons

• 21,023,284,968 seconds is equal to 668 years, 24 weeks, 5 days, 1 hour, 22 minutes, 48 seconds.
• To count from 1 to 21,023,284,968 would take you about one thousand, three hundred thirty-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 21023284968 cubic inches would be around 230 feet tall.

Recreational maths with 21023284968

• 21023284968 backwards is 86948232012
• The number of decimal digits it has is: 11
• The sum of 21023284968's digits is 45
• More coming soon!