21006021168
21,006,021,168 is an even composite number composed of six prime numbers multiplied together.
21006021168 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21006021168:
24 × 33 × 11 × 17 × 67 × 3881
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 11 × 17 × 67 × 3881)See below for interesting mathematical facts about the number 21006021168 from the Numbermatics database.
Names of 21006021168
- Cardinal: 21006021168 can be written as Twenty-one billion, six million, twenty-one thousand, one hundred sixty-eight.
Scientific notation
- Scientific notation: 2.1006021168 × 1010
Factors of 21006021168
Divisors of 21006021168
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 17 18 22 24 27 33 34 36 44 48 51 54 66 67 68 72 88 99 102 108 132 134 136 144 153 176 187 198 201 204 216 264 268 272 297 306 374 396 402 408 432 459 528 536 561 594 603 612 737 748 792 804 816 918 1072 1122 1139 1188 1206 1224 1474 1496 1584 1608 1683 1809 1836 2211 2244 2278 2376 2412 2448 2948 2992 3216 3366 3417 3618 3672 3881 4422 4488 4556 4752 4824 5049 5896 6633 6732 6834 7236 7344 7762 8844 8976 9112 9648 10098 10251 11643 11792 12529 13266 13464 13668 14472 15524 17688 18224 19899 20196 20502 23286 25058 26532 26928 27336 28944 30753 31048 34929 35376 37587 39798 40392 41004 42691 46572 50116 53064 54672 61506 62096 65977 69858 75174 79596 80784 82008 85382 93144 100232 104787 106128 112761 123012 128073 131954 139716 150348 159192 164016 170764 186288 197931 200464 209574 225522 246024 256146 260027 263908 279432 300696 318384 338283 341528 384219 395862 419148 451044 492048 512292 520054 527816 558864 593793 601392 676566 683056 725747 768438 780081 791724 838296 902088 1024584 1040108 1055632 1152657 1187586 1353132 1451494 1536876 1560162 1583448 1676592 1781379 1804176 2049168 2080216 2177241 2305314 2340243 2375172 2706264 2860297 2902988 3073752 3120324 3166896 3562758 4160432 4354482 4420459 4610628 4680486 4750344 5412528 5720594 5805976 6147504 6240648 6531723 7020729 7125516 8580891 8708964 8840918 9221256 9360972 9500688 11441188 11611952 12481296 13063446 13261377 14041458 14251032 17161782 17417928 17681836 18442512 18721944 19595169 22882376 25742673 26126892 26522754 28082916 28502064 34323564 34835856 35363672 37443888 39190338 39784131 45764752 48625049 51485346 52253784 53045508 56165832 68647128 70727344 77228019 78380676 79568262 97250098 102970692 104507568 106091016 112331664 119352393 137294256 145875147 154456038 156761352 159136524 194500196 205941384 212182032 238704786 291750294 308912076 313522704 318273048 389000392 411882768 437625441 477409572 583500588 617824152 636546096 778000784 875250882 954819144 1167001176 1235648304 1312876323 1750501764 1909638288 2334002352 2625752646 3501003528 5251505292 7002007056 10503010584 21006021168
- Sum of all divisors σ(n): 70703331840
- Sum of proper divisors (its aliquot sum) s(n): 49697310672
- 21006021168 is an abundant number, because the sum of its proper divisors (49697310672) is greater than itself. Its abundance is 28691289504
Bases of 21006021168
- Binary: 100111001000000111001110010001100002
- Hexadecimal: 0x4E40E7230
- Base-36: 9NEFXO0
Squares and roots of 21006021168
- 21006021168 squared (210060211682) is 441252925310464084224
- 21006021168 cubed (210060211683) is 9268968289513531525113078853632
-
The
square root of 21006021168 is 144934.5409762627 -
The
cube root of 21006021168 is 2759.1878328661
Scales and comparisons
How big is 21006021168?- 21,006,021,168 seconds is equal to 667 years, 48 weeks, 1 day, 5 hours, 52 minutes, 48 seconds.
-
To count from 1 to 21,006,021,168 would take you about one thousand, three hundred thirty-five 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 21006021168 cubic inches would be around 229.9 feet tall.
Recreational maths with 21006021168
- 21006021168 backwards is 86112060012
- 21006021168 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21006021168's digits is 27
- More coming soon!
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