21673720432
21,673,720,432 is an even composite number composed of seven prime numbers multiplied together.
21673720432 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21673720432:
24 × 7 × 13 × 19 × 31 × 127 × 199
(2 × 2 × 2 × 2 × 7 × 13 × 19 × 31 × 127 × 199)See below for interesting mathematical facts about the number 21673720432 from the Numbermatics database.
Names of 21673720432
- Cardinal: 21673720432 can be written as Twenty-one billion, six hundred seventy-three million, seven hundred twenty thousand, four hundred thirty-two.
Scientific notation
- Scientific notation: 2.1673720432 × 1010
Factors of 21673720432
Divisors of 21673720432
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 7 8 13 14 16 19 26 28 31 38 52 56 62 76 91 104 112 124 127 133 152 182 199 208 217 247 248 254 266 304 364 398 403 434 494 496 508 532 589 728 796 806 868 889 988 1016 1064 1178 1393 1456 1592 1612 1651 1729 1736 1778 1976 2032 2128 2356 2413 2587 2786 2821 3184 3224 3302 3458 3472 3556 3781 3937 3952 4123 4712 4826 5174 5572 5642 6169 6448 6604 6916 7112 7562 7657 7874 8246 9424 9652 10348 11144 11284 11557 12338 13208 13832 14224 15124 15314 15748 16492 16891 18109 19304 20696 22288 22568 23114 24676 25273 26416 26467 27559 27664 30248 30628 31369 31496 32984 33782 36218 38608 41392 43183 45136 46228 49153 49352 50546 51181 52934 53599 55118 60496 61256 62738 62992 65968 67564 72436 74803 80197 86366 92456 98306 98704 101092 102362 105868 107198 110236 117211 122512 125476 135128 144872 149606 160394 172732 176911 184912 196612 202184 204724 211736 214396 219583 220472 234422 250952 270256 289744 299212 320788 328549 344071 345464 353822 358267 393224 404368 409448 423472 428792 439166 440944 468844 480187 501904 523621 561379 598424 641576 657098 688142 690928 707644 716534 783463 786448 818896 820477 857584 878332 937688 960374 972439 1047242 1122758 1196848 1283152 1314196 1376284 1415288 1433068 1523743 1566926 1640954 1756664 1875376 1920748 1944878 2094484 2245516 2299843 2628392 2752568 2830576 2866136 3047486 3133852 3281908 3361309 3513328 3841496 3889756 4188968 4491032 4599686 5256784 5484241 5505136 5732272 6094972 6242431 6267704 6563816 6722618 6807073 7682992 7779512 8377936 8982064 9199372 10185019 10666201 10968482 12189944 12484862 12535408 13127632 13445236 13614146 14885797 15559024 18398744 20370038 21332402 21936964 24379888 24969724 26890472 27228292 29771594 36797488 40740076 42664804 43697017 43873928 49939448 53780944 54456584 59543188 71295133 81480152 85329608 87394034 87747856 99878896 104200579 108913168 119086376 142590266 162960304 170659216 174788068 193515361 208401158 238172752 285180532 349576136 387030722 416802316 570361064 699152272 774061444 833604632 1140722128 1354607527 1548122888 1667209264 2709215054 3096245776 5418430108 10836860216 21673720432
- Sum of all divisors σ(n): 56885248000
- Sum of proper divisors (its aliquot sum) s(n): 35211527568
- 21673720432 is an abundant number, because the sum of its proper divisors (35211527568) is greater than itself. Its abundance is 13537807136
Bases of 21673720432
- Binary: 101000010111101101010111010011100002
- Hexadecimal: 0x50BDABA70
- Base-36: 9YFZ1PS
Squares and roots of 21673720432
- 21673720432 squared (216737204322) is 469750157364494266624
- 21673720432 cubed (216737204323) is 10181233583606054657875444461568
-
The
square root of 21673720432 is 147219.9729384569 -
The
cube root of 21673720432 is 2788.1180352201
Scales and comparisons
How big is 21673720432?- 21,673,720,432 seconds is equal to 689 years, 8 weeks, 1 day, 5 hours, 53 minutes, 52 seconds.
-
To count from 1 to 21,673,720,432 would take you about one thousand, three hundred seventy-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 21673720432 cubic inches would be around 232.3 feet tall.
Recreational maths with 21673720432
- 21673720432 backwards is 23402737612
- The number of decimal digits it has is: 11
- The sum of 21673720432's digits is 37
- More coming soon!
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