21420924336

Names of 21420924336

• Cardinal: 21420924336 can be written as Twenty-one billion, four hundred twenty million, nine hundred twenty-four thousand, three hundred thirty-six.

Scientific notation

• Scientific notation: 2.1420924336 × 10¹⁰

Factors of 21420924336

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1750

Divisors of 21420924336

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 54 56 63 72 81 84 108 112 126 144 162 167 168 189 216 243 252 324 334 336 378 432 486 501 504 567 648 668 729 756 972 1002 1008 1134 1169 1296 1336 1458 1503 1512 1571 1701 1944 2004 2268 2338 2672 2916 3006 3024 3142 3402 3507 3888 4008 4509 4536 4676 4713 5103 5832 6012 6284 6804 7014 8016 9018 9072 9352 9426 10206 10521 10997 11664 12024 12568 13527 13608 14028 14139 18036 18704 18852 20412 21042 21994 24048 25136 27054 27216 28056 28278 31563 32991 36072 37704 40581 40824 42084 42417 43988 54108 56112 56556 63126 65982 72144 75408 81162 81648 84168 84834 87976 94689 98973 108216 113112 121743 126252 127251 131964 162324 168336 169668 175952 189378 197946 216432 226224 243486 252504 254502 262357 263928 284067 296919 324648 339336 378756 381753 395892 486972 505008 509004 524714 527856 568134 593838 649296 678672 757512 763506 787071 791784 852201 890757 973944 1018008 1049428 1136268 1145259 1187676 1515024 1527012 1574142 1583568 1704402 1781514 1836499 1947888 2036016 2098856 2272536 2290518 2361213 2375352 2672271 3054024 3148284 3408804 3563028 3672998 4197712 4545072 4581036 4722426 4750704 5344542 5509497 6108048 6296568 6817608 7083639 7126056 7345996 8016813 9162072 9444852 10689084 11018994 12593136 13635216 14167278 14252112 14691992 16033626 16528491 18324144 18889704 21250917 21378168 22037988 28334556 29383984 32067252 33056982 37779408 42501834 42756336 44075976 49585473 56669112 63752751 64134504 66113964 85003668 88151952 99170946 113338224 127505502 128269008 132227928 148756419 170007336 191258253 198341892 255011004 264455856 297512838 340014672 382516506 396683784 446269257 510022008 595025676 765033012 793367568 892538514 1020044016 1190051352 1338807771 1530066024 1785077028 2380102704 2677615542 3060132048 3570154056 5355231084 7140308112 10710462168 21420924336
• Sum of all divisors σ(n): 71586918144
• Sum of proper divisors (its aliquot sum) s(n): 50165993808
• 21420924336 is an abundant number, because the sum of its proper divisors (50165993808) is greater than itself. Its abundance is 28745069472

Bases of 21420924336

• Binary: 10011111100110010010101110110110000₂
• Hexadecimal: 0x4FCC95DB0
• Base-36: 9U9GR00

Squares and roots of 21420924336

• 21420924336 squared (21420924336²) is 458855999408637040896
• 21420924336 cubed (21420924336³) is 9829119644452074797920153645056
• The square root of 21420924336 is 146358.8888178645
• The cube root of 21420924336 is 2777.2356773797

Scales and comparisons

• 21,420,924,336 seconds is equal to 681 years, 6 weeks, 1 day, 8 hours, 45 minutes, 36 seconds.
• To count from 1 to 21,420,924,336 would take you about one thousand, three hundred sixty-two 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 21420924336 cubic inches would be around 231.4 feet tall.

Recreational maths with 21420924336

• 21420924336 backwards is 63342902412
• 21420924336 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21420924336's digits is 36
• More coming soon!