21209671168
21,209,671,168 is an even composite number composed of five prime numbers multiplied together.
21209671168 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21209671168:
29 × 73 × 23 × 59 × 89
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 × 23 × 59 × 89)See below for interesting mathematical facts about the number 21209671168 from the Numbermatics database.
Names of 21209671168
- Cardinal: 21209671168 can be written as Twenty-one billion, two hundred nine million, six hundred seventy-one thousand, one hundred sixty-eight.
Scientific notation
- Scientific notation: 2.1209671168 × 1010
Factors of 21209671168
Divisors of 21209671168
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 7 8 14 16 23 28 32 46 49 56 59 64 89 92 98 112 118 128 161 178 184 196 224 236 256 322 343 356 368 392 413 448 472 512 623 644 686 712 736 784 826 896 944 1127 1246 1288 1357 1372 1424 1472 1568 1652 1792 1888 2047 2254 2492 2576 2714 2744 2848 2891 2944 3136 3304 3584 3776 4094 4361 4508 4984 5152 5251 5428 5488 5696 5782 5888 6272 6608 7552 7889 8188 8722 9016 9499 9968 10304 10502 10856 10976 11392 11564 11776 12544 13216 14329 15104 15778 16376 17444 18032 18998 19936 20237 20608 21004 21712 21952 22784 23128 25088 26432 28658 30208 30527 31556 32752 34888 36064 36757 37996 39872 40474 41216 42008 43424 43904 45568 46256 52864 57316 61054 63112 65504 66493 69776 72128 73514 75992 79744 80948 82432 84016 86848 87808 92512 100303 105728 114632 120773 122108 126224 131008 132986 139552 144256 147028 151984 159488 161896 168032 173696 175616 185024 200606 211456 229264 241546 244216 252448 257299 262016 265972 279104 288512 294056 303968 318976 323792 336064 347392 370048 401212 458528 465451 483092 488432 504896 514598 524032 531944 558208 577024 588112 607936 647584 672128 694784 702121 740096 802424 845411 917056 930902 966184 976864 1009792 1029196 1048064 1063888 1116416 1176224 1215872 1295168 1344256 1404242 1480192 1604848 1690822 1801093 1834112 1861804 1932368 1953728 2019584 2058392 2127776 2232832 2352448 2431744 2590336 2688512 2808484 3209696 3381644 3602186 3668224 3723608 3864736 3907456 4039168 4116784 4255552 4704896 4863488 5180672 5616968 5917877 6419392 6763288 7204372 7336448 7447216 7729472 7814912 8233568 8511104 9409792 10361344 11233936 11835754 12838784 13526576 14408744 14894432 15458944 15629824 16467136 17022208 18819584 22467872 23671508 25677568 27053152 28817488 29788864 30917888 32934272 34044416 41425139 44935744 47343016 51355136 54106304 57634976 59577728 61835776 65868544 82850278 89871488 94686032 108212608 115269952 119155456 131737088 165700556 179742976 189372064 216425216 230539904 238310912 331401112 359485952 378744128 432850432 461079808 662802224 757488256 922159616 1325604448 1514976512 2651208896 3029953024 5302417792 10604835584 21209671168
- Sum of all divisors σ(n): 53032320000
- Sum of proper divisors (its aliquot sum) s(n): 31822648832
- 21209671168 is an abundant number, because the sum of its proper divisors (31822648832) is greater than itself. Its abundance is 10612977664
Bases of 21209671168
- Binary: 100111100000011000111100110000000002
- Hexadecimal: 0x4F031E600
- Base-36: 9QROV0G
Squares and roots of 21209671168
- 21209671168 squared (212096711682) is 449850151054690484224
- 21209671168 cubed (212096711683) is 9541173778745113554409731653632
-
The
square root of 21209671168 is 145635.4049261373 -
The
cube root of 21209671168 is 2768.0757995437
Scales and comparisons
How big is 21209671168?- 21,209,671,168 seconds is equal to 674 years, 20 weeks, 6 days, 7 hours, 19 minutes, 28 seconds.
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To count from 1 to 21,209,671,168 would take you about one thousand, three hundred forty-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 21209671168 cubic inches would be around 230.7 feet tall.
Recreational maths with 21209671168
- 21209671168 backwards is 86117690212
- The number of decimal digits it has is: 11
- The sum of 21209671168's digits is 43
- More coming soon!
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