21000940576
21,000,940,576 is an even composite number composed of five prime numbers multiplied together.
21000940576 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 21000940576:
25 × 73 × 11 × 312 × 181
(2 × 2 × 2 × 2 × 2 × 7 × 7 × 7 × 11 × 31 × 31 × 181)See below for interesting mathematical facts about the number 21000940576 from the Numbermatics database.
Names of 21000940576
- Cardinal: 21000940576 can be written as Twenty-one billion, nine hundred forty thousand, five hundred seventy-six.
Scientific notation
- Scientific notation: 2.1000940576 × 1010
Factors of 21000940576
Divisors of 21000940576
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 4 7 8 11 14 16 22 28 31 32 44 49 56 62 77 88 98 112 124 154 176 181 196 217 224 248 308 341 343 352 362 392 434 496 539 616 682 686 724 784 868 961 992 1078 1232 1267 1364 1372 1448 1519 1568 1736 1922 1991 2156 2387 2464 2534 2728 2744 2896 3038 3472 3773 3844 3982 4312 4774 5068 5456 5488 5611 5792 6076 6727 6944 7546 7688 7964 8624 8869 9548 10136 10571 10633 10912 10976 11222 12152 13454 13937 15092 15376 15928 16709 17248 17738 19096 20272 21142 21266 22444 24304 26908 27874 30184 30752 31856 33418 35476 38192 39277 40544 42284 42532 44888 47089 48608 53816 55748 60368 61721 62083 63712 66836 70952 73997 76384 78554 84568 85064 89776 94178 97559 107632 111496 116963 120736 123442 124166 133672 141904 147994 157108 169136 170128 173941 179552 188356 195118 215264 222992 233926 246884 248332 267344 274939 283808 295988 314216 329623 338272 340256 347882 376712 390236 432047 445984 467852 493768 496664 517979 534688 549878 591976 628432 659246 682913 695764 753424 780472 864094 935704 987536 993328 1035958 1099756 1183952 1217587 1256864 1318492 1365826 1391528 1506848 1560944 1728188 1871408 1913351 1924573 1975072 1986656 2071916 2199512 2367904 2435174 2636984 2731652 2783056 3024329 3121888 3456376 3625853 3742816 3826702 3849146 4143832 4399024 4870348 5273968 5463304 5566112 6048658 6912752 7251706 7653404 7698292 8287664 8523109 8798048 9740696 10547936 10926608 12097316 13393457 13825504 14503412 15306808 15396584 16575328 17046218 19481392 21170303 21853216 24194632 26786914 29006824 30613616 30793168 34092436 38962784 42340606 48389264 53573828 58013648 59661763 61227232 61586336 68184872 84681212 93754199 96778528 107147656 116027296 119323526 136369744 169362424 187508398 214295312 238647052 272739488 338724848 375016796 428590624 477294104 656279393 677449696 750033592 954588208 1312558786 1500067184 1909176416 2625117572 3000134368 5250235144 10500470288 21000940576
- Sum of all divisors σ(n): 54651542400
- Sum of proper divisors (its aliquot sum) s(n): 33650601824
- 21000940576 is an abundant number, because the sum of its proper divisors (33650601824) is greater than itself. Its abundance is 12649661248
Bases of 21000940576
- Binary: 100111000111100000011101100001000002
- Hexadecimal: 0x4E3C0EC20
- Base-36: 9NBF1GG
Squares and roots of 21000940576
- 21000940576 squared (210009405762) is 441039505076683211776
- 21000940576 cubed (210009405763) is 9262244437783874453684599422976
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The
square root of 21000940576 is 144917.0127210743 -
The
cube root of 21000940576 is 2758.9653658911
Scales and comparisons
How big is 21000940576?- 21,000,940,576 seconds is equal to 667 years, 39 weeks, 5 days, 10 hours, 36 minutes, 16 seconds.
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To count from 1 to 21,000,940,576 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 21000940576 cubic inches would be around 229.9 feet tall.
Recreational maths with 21000940576
- 21000940576 backwards is 67504900012
- The number of decimal digits it has is: 11
- The sum of 21000940576's digits is 34
- More coming soon!
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