21731318928
21,731,318,928 is an even composite number composed of six prime numbers multiplied together.
What does the number 21731318928 look like?
This visualization shows the relationship between its 6 prime factors (large circles) and 480 divisors.
21731318928 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21731318928:
24 × 35 × 11 × 31 × 37 × 443
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 11 × 31 × 37 × 443)See below for interesting mathematical facts about the number 21731318928 from the Numbermatics database.
Names of 21731318928
- Cardinal: 21731318928 can be written as Twenty-one billion, seven hundred thirty-one million, three hundred eighteen thousand, nine hundred twenty-eight.
Scientific notation
- Scientific notation: 2.1731318928 × 1010
Factors of 21731318928
Divisors of 21731318928
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 31 33 36 37 44 48 54 62 66 72 74 81 88 93 99 108 111 124 132 144 148 162 176 186 198 216 222 243 248 264 279 296 297 324 333 341 372 396 407 432 443 444 486 496 528 558 592 594 648 666 682 744 792 814 837 886 888 891 972 999 1023 1116 1147 1188 1221 1296 1329 1332 1364 1488 1584 1628 1674 1772 1776 1782 1944 1998 2046 2232 2294 2376 2442 2511 2658 2664 2673 2728 2997 3069 3256 3348 3441 3544 3564 3663 3888 3987 3996 4092 4464 4588 4752 4873 4884 5022 5316 5328 5346 5456 5994 6138 6512 6696 6882 7088 7128 7326 7533 7974 7992 8184 8991 9176 9207 9746 9768 10044 10323 10632 10692 10989 11961 11988 12276 12617 13392 13733 13764 14256 14619 14652 15066 15948 15984 16368 16391 17982 18352 18414 19492 19536 20088 20646 21264 21384 21978 23922 23976 24552 25234 27466 27528 27621 29238 29304 30132 30969 31896 32782 32967 35883 35964 36828 37851 38984 40176 41199 41292 42768 43857 43956 47844 47952 49104 49173 50468 54932 55056 55242 58476 58608 60264 61938 63792 65564 65934 71766 71928 73656 75702 77968 82398 82584 82863 87714 87912 92907 95688 98346 98901 100936 107649 109864 110484 113553 116952 120528 123597 123876 131128 131571 131868 143532 143856 147312 147519 151063 151404 164796 165168 165726 175428 175824 180301 185814 191376 196692 197802 201872 215298 219728 220968 227106 233904 247194 247752 262256 263142 263736 278721 287064 295038 302126 302808 329592 331452 340659 350856 360602 370791 371628 393384 394713 395604 430596 441936 442557 453189 454212 494388 495504 508121 526284 527472 540903 557442 574128 590076 604252 605616 659184 662904 681318 701712 721204 741582 743256 786768 789426 791208 861192 885114 906378 908424 988776 1016242 1021977 1052568 1081806 1112373 1114884 1180152 1184139 1208504 1325808 1327671 1359567 1362636 1442408 1483164 1486512 1524363 1578852 1582416 1622709 1722384 1770228 1812756 1816848 1977552 2032484 2043954 2105136 2163612 2224746 2229768 2360304 2368278 2417008 2655342 2719134 2725272 2884816 2966328 3048726 3065931 3157704 3245418 3337119 3540456 3625512 3983013 4064968 4078701 4087908 4327224 4449492 4459536 4573089 4736556 4868127 5310684 5438268 5450544 5589331 5932656 6097452 6131862 6315408 6490836 6674238 7080912 7251024 7966026 8129936 8157402 8175816 8654448 8898984 9146178 9473112 9736254 10621368 10876536 11178662 12194904 12236103 12263724 12981672 13348476 13719267 14604381 15932052 16314804 16351632 16767993 17797968 18292356 18946224 19472508 21242736 21753072 22357324 24389808 24472206 24527448 25963344 26696952 27438534 29208762 31864104 32629608 33535986 36584712 36708309 38945016 41157801 43813143 44714648 48944412 49054896 50303979 53393904 54877068 58417524 63728208 65259216 67071972 73169424 73416618 77890032 82315602 87626286 89429296 97888824 100607958 109754136 116835048 123473403 134143944 146833236 150911937 164631204 175252572 195777648 201215916 219508272 233670096 246946806 268287888 293666472 301823874 329262408 350505144 402431832 452735811 493893612 587332944 603647748 658524816 701010288 804863664 905471622 987787224 1207295496 1358207433 1810943244 1975574448 2414590992 2716414866 3621886488 5432829732 7243772976 10865659464 21731318928
- Sum of all divisors σ(n): 73107320832
- Sum of proper divisors (its aliquot sum) s(n): 51376001904
- 21731318928 is an abundant number, because the sum of its proper divisors (51376001904) is greater than itself. Its abundance is 29644682976
Bases of 21731318928
- Binary: 101000011110100100110011100100100002
- Hexadecimal: 0x50F499C90
- Base-36: 9ZE9L00
Squares and roots of 21731318928
- 21731318928 squared (217313189282) is 472250222350451069184
- 21731318928 cubed (217313189283) is 10262620195716565969096096714752
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The
square root of 21731318928 is 147415.4636664685 -
The
cube root of 21731318928 is 2790.5856834949
Scales and comparisons
How big is 21731318928?- 21,731,318,928 seconds is equal to 690 years, 51 weeks, 2 days, 21 hours, 28 minutes, 48 seconds.
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To count from 1 to 21,731,318,928 would take you about one thousand, three hundred eighty-one 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 21731318928 cubic inches would be around 232.5 feet tall.
Recreational maths with 21731318928
- 21731318928 backwards is 82981313712
- The number of decimal digits it has is: 11
- The sum of 21731318928's digits is 45
- More coming soon!
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