21057381072
21,057,381,072 is an even composite number composed of six prime numbers multiplied together.
21057381072 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21057381072:
24 × 32 × 7 × 132 × 71 × 1741
(2 × 2 × 2 × 2 × 3 × 3 × 7 × 13 × 13 × 71 × 1741)See below for interesting mathematical facts about the number 21057381072 from the Numbermatics database.
Names of 21057381072
- Cardinal: 21057381072 can be written as Twenty-one billion, fifty-seven million, three hundred eighty-one thousand and seventy-two.
Scientific notation
- Scientific notation: 2.1057381072 × 1010
Factors of 21057381072
Divisors of 21057381072
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 28 36 39 42 48 52 56 63 71 72 78 84 91 104 112 117 126 142 144 156 168 169 182 208 213 234 252 273 284 312 336 338 364 426 468 497 504 507 546 568 624 639 676 728 819 852 923 936 994 1008 1014 1092 1136 1183 1278 1352 1456 1491 1521 1638 1704 1741 1846 1872 1988 2028 2184 2366 2556 2704 2769 2982 3042 3276 3408 3482 3549 3692 3976 4056 4368 4473 4732 5112 5223 5538 5964 6084 6461 6552 6964 7098 7384 7952 8112 8307 8946 9464 10224 10446 10647 11076 11928 11999 12168 12187 12922 13104 13928 14196 14768 15669 16614 17892 18928 19383 20892 21294 22152 22633 23856 23998 24336 24374 25844 27856 28392 31338 33228 35784 35997 36561 38766 41784 42588 44304 45266 47996 48748 51688 56784 58149 62676 66456 67899 71568 71994 73122 77532 83568 83993 85176 90532 95992 97496 103376 107991 109683 116298 123611 125352 132912 135798 143988 146244 155064 158431 167986 170352 181064 191984 194992 203697 215982 219366 232596 247222 250704 251979 271596 287976 292488 294229 310128 316862 335972 362128 370833 407394 431964 438732 465192 475293 494444 503958 543192 575952 584976 588458 633724 671944 741666 755937 814788 863928 865277 877464 882687 930384 950586 988888 1007916 1086384 1112499 1176916 1267448 1343888 1425879 1483332 1511874 1606943 1629576 1727856 1730554 1754928 1765374 1901172 1977776 2015832 2059603 2224998 2353832 2534896 2595831 2648061 2851758 2966664 3023748 3213886 3259152 3461108 3530748 3802344 4031664 4119206 4449996 4707664 4820829 5191662 5296122 5703516 5933328 6047496 6178809 6427772 6922216 7061496 7604688 7787493 8238412 8899992 9641658 10383324 10592244 11248601 11407032 12094992 12357618 12855544 13844432 14122992 14462487 15574986 16476824 17799984 18536427 19283316 20766648 20890259 21184488 22497202 22814064 24715236 25711088 28924974 31149972 32953648 33745803 37072854 38566632 41533296 41780518 42368976 44994404 49430472 57849948 62299944 62670777 67491606 74145708 77133264 83561036 89988808 98860944 101237409 115699896 124599888 125341554 134983212 146231813 148291416 167122072 179977616 188012331 202474818 231399792 250683108 269966424 292463626 296582832 334244144 376024662 404949636 438695439 501366216 539932848 584927252 752049324 809899272 877390878 1002732432 1169854504 1316086317 1504098648 1619798544 1754781756 2339709008 2632172634 3008197296 3509563512 5264345268 7019127024 10528690536 21057381072
- Sum of all divisors σ(n): 73999156608
- Sum of proper divisors (its aliquot sum) s(n): 52941775536
- 21057381072 is an abundant number, because the sum of its proper divisors (52941775536) is greater than itself. Its abundance is 31884394464
Bases of 21057381072
- Binary: 100111001110001111000100010110100002
- Hexadecimal: 0x4E71E22D0
- Base-36: 9O90R80
Squares and roots of 21057381072
- 21057381072 squared (210573810722) is 443413297611423869184
- 21057381072 cubed (210573810723) is 9337122780195899793924165685248
-
The
square root of 21057381072 is 145111.6159099609 -
The
cube root of 21057381072 is 2761.4347486801
Scales and comparisons
How big is 21057381072?- 21,057,381,072 seconds is equal to 669 years, 29 weeks, 16 hours, 31 minutes, 12 seconds.
-
To count from 1 to 21,057,381,072 would take you about one thousand, three hundred thirty-nine 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 21057381072 cubic inches would be around 230.1 feet tall.
Recreational maths with 21057381072
- 21057381072 backwards is 27018375012
- 21057381072 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21057381072's digits is 36
- More coming soon!
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The information we have on file for 21057381072 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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