21357464832
21,357,464,832 is an even composite number composed of five prime numbers multiplied together.
21357464832 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21357464832:
28 × 33 × 11 × 257 × 1093
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 11 × 257 × 1093)See below for interesting mathematical facts about the number 21357464832 from the Numbermatics database.
Names of 21357464832
- Cardinal: 21357464832 can be written as Twenty-one billion, three hundred fifty-seven million, four hundred sixty-four thousand, eight hundred thirty-two.
Scientific notation
- Scientific notation: 2.1357464832 × 1010
Factors of 21357464832
Divisors of 21357464832
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 64 66 72 88 96 99 108 128 132 144 176 192 198 216 256 257 264 288 297 352 384 396 432 514 528 576 594 704 768 771 792 864 1028 1056 1093 1152 1188 1408 1542 1584 1728 2056 2112 2186 2304 2313 2376 2816 2827 3084 3168 3279 3456 4112 4224 4372 4626 4752 5654 6168 6336 6558 6912 6939 8224 8448 8481 8744 9252 9504 9837 11308 12023 12336 12672 13116 13878 16448 16962 17488 18504 19008 19674 22616 24046 24672 25344 25443 26232 27756 29511 32896 33924 34976 36069 37008 38016 39348 45232 48092 49344 50886 52464 55512 59022 65792 67848 69952 72138 74016 76032 76329 78696 90464 96184 98688 101772 104928 108207 111024 118044 135696 139904 144276 148032 152658 157392 180928 192368 197376 203544 209856 216414 222048 236088 271392 279808 280901 288552 296064 305316 314784 324621 361856 384736 407088 419712 432828 444096 472176 542784 561802 577104 592128 610632 629568 649242 723712 769472 814176 839424 842703 865656 888192 944352 1085568 1123604 1154208 1221264 1259136 1298484 1538944 1628352 1685406 1731312 1776384 1888704 2171136 2247208 2308416 2442528 2518272 2528109 2596968 3077888 3089911 3256704 3370812 3462624 3777408 4494416 4616832 4885056 5056218 5193936 6179822 6513408 6741624 6925248 7554816 7584327 8988832 9233664 9269733 9770112 10112436 10387872 12359644 13483248 13850496 15168654 17977664 18539466 19540224 20224872 20775744 24719288 26966496 27700992 27809199 30337308 35955328 37078932 40449744 41551488 49438576 53932992 55618398 60674616 71910656 74157864 80899488 83102976 83427597 98877152 107865984 111236796 121349232 148315728 161798976 166855194 197754304 215731968 222473592 242698464 296631456 323597952 333710388 395508608 444947184 485396928 593262912 647195904 667420776 791017216 889894368 970793856 1186525824 1334841552 1779788736 1941587712 2373051648 2669683104 3559577472 5339366208 7119154944 10678732416 21357464832
- Sum of all divisors σ(n): 69230770560
- Sum of proper divisors (its aliquot sum) s(n): 47873305728
- 21357464832 is an abundant number, because the sum of its proper divisors (47873305728) is greater than itself. Its abundance is 26515840896
Bases of 21357464832
- Binary: 100111110010000000100001101000000002
- Hexadecimal: 0x4F9010D00
- Base-36: 9T7OLC0
Squares and roots of 21357464832
- 21357464832 squared (213574648322) is 456141304050116788224
- 21357464832 cubed (213574648323) is 9742021859672988469986871738368
-
The
square root of 21357464832 is 146141.9338588347 -
The
cube root of 21357464832 is 2774.4904437655
Scales and comparisons
How big is 21357464832?- 21,357,464,832 seconds is equal to 679 years, 5 weeks, 1 day, 21 hours, 7 minutes, 12 seconds.
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To count from 1 to 21,357,464,832 would take you about one thousand, three hundred fifty-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 21357464832 cubic inches would be around 231.2 feet tall.
Recreational maths with 21357464832
- 21357464832 backwards is 23846475312
- The number of decimal digits it has is: 11
- The sum of 21357464832's digits is 45
- More coming soon!
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