21264162816
21,264,162,816 is an even composite number composed of six prime numbers multiplied together.
21264162816 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 21264162816:
213 × 3 × 13 × 19 × 31 × 113
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 19 × 31 × 113)See below for interesting mathematical facts about the number 21264162816 from the Numbermatics database.
Names of 21264162816
- Cardinal: 21264162816 can be written as Twenty-one billion, two hundred sixty-four million, one hundred sixty-two thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 2.1264162816 × 1010
Factors of 21264162816
Divisors of 21264162816
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 19 24 26 31 32 38 39 48 52 57 62 64 76 78 93 96 104 113 114 124 128 152 156 186 192 208 226 228 247 248 256 304 312 339 372 384 403 416 452 456 494 496 512 589 608 624 678 741 744 768 806 832 904 912 988 992 1024 1178 1209 1216 1248 1356 1469 1482 1488 1536 1612 1664 1767 1808 1824 1976 1984 2048 2147 2356 2418 2432 2496 2712 2938 2964 2976 3072 3224 3328 3503 3534 3616 3648 3952 3968 4096 4294 4407 4712 4836 4864 4992 5424 5876 5928 5952 6144 6441 6448 6656 7006 7068 7232 7296 7657 7904 7936 8192 8588 8814 9424 9672 9728 9984 10509 10848 11752 11856 11904 12288 12882 12896 13312 14012 14136 14464 14592 15314 15808 15872 17176 17628 18848 19344 19456 19968 21018 21696 22971 23504 23712 23808 24576 25764 25792 26624 27911 28024 28272 28928 29184 30628 31616 31744 34352 35256 37696 38688 38912 39936 42036 43392 45539 45942 47008 47424 47616 51528 51584 53248 55822 56048 56544 57856 58368 61256 63232 63488 66557 68704 70512 75392 77376 77824 79872 83733 84072 86784 91078 91884 94016 94848 95232 103056 103168 106496 111644 112096 113088 115712 116736 122512 126464 126976 133114 136617 137408 141024 150784 154752 155648 159744 167466 168144 173568 182156 183768 188032 189696 190464 199671 206112 206336 223288 224192 226176 231424 233472 245024 252928 253952 266228 273234 274816 282048 301568 309504 319488 334932 336288 347136 364312 367536 376064 379392 380928 399342 412224 412672 446576 448384 452352 462848 466944 490048 505856 532456 546468 549632 564096 603136 619008 669864 672576 694272 728624 735072 752128 758784 761856 798684 824448 825344 865241 893152 896768 904704 925696 980096 1011712 1064912 1092936 1099264 1128192 1206272 1238016 1339728 1345152 1388544 1457248 1470144 1504256 1517568 1597368 1648896 1650688 1730482 1786304 1793536 1809408 1960192 2023424 2129824 2185872 2198528 2256384 2412544 2476032 2595723 2679456 2690304 2777088 2914496 2940288 3008512 3035136 3194736 3297792 3301376 3460964 3572608 3587072 3618816 3920384 4259648 4371744 4397056 4512768 4825088 4952064 5191446 5358912 5380608 5828992 5880576 6017024 6070272 6389472 6595584 6921928 7145216 7174144 7237632 7840768 8519296 8743488 8794112 9025536 9904128 10382892 10717824 10761216 11657984 11761152 12034048 12778944 13191168 13843856 14290432 14348288 14475264 15681536 17038592 17486976 17588224 18051072 20765784 21435648 21522432 23315968 23522304 25557888 26382336 27687712 28580864 28696576 31363072 34077184 34973952 36102144 41531568 42871296 43044864 46631936 47044608 51115776 52764672 55375424 57161728 62726144 68154368 69947904 83063136 85742592 86089728 93263872 94089216 102231552 110750848 114323456 136308736 139895808 166126272 171485184 186527744 188178432 204463104 221501696 228646912 272617472 279791616 332252544 342970368 373055488 408926208 443003392 545234944 559583232 664505088 685940736 817852416 886006784 1119166464 1329010176 1635704832 1772013568 2658020352 3544027136 5316040704 7088054272 10632081408 21264162816
- Sum of all divisors σ(n): 66937006080
- Sum of proper divisors (its aliquot sum) s(n): 45672843264
- 21264162816 is an abundant number, because the sum of its proper divisors (45672843264) is greater than itself. Its abundance is 24408680448
Bases of 21264162816
- Binary: 100111100110111000101100000000000002
- Hexadecimal: 0x4F3716000
- Base-36: 9RO4T1C
Squares and roots of 21264162816
- 21264162816 squared (212641628162) is 452164620265357049856
- 21264162816 cubed (212641628163) is 9614902104957365432511413354496
-
The
square root of 21264162816 is 145822.3673377991 -
The
cube root of 21264162816 is 2770.4443419997
Scales and comparisons
How big is 21264162816?- 21,264,162,816 seconds is equal to 676 years, 6 weeks, 6 days, 23 hours, 53 minutes, 36 seconds.
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To count from 1 to 21,264,162,816 would take you about one thousand, three hundred fifty-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 21264162816 cubic inches would be around 230.9 feet tall.
Recreational maths with 21264162816
- 21264162816 backwards is 61826146212
- 21264162816 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21264162816's digits is 39
- More coming soon!
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The information we have on file for 21264162816 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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