21215831128344
21,215,831,128,344 is an even composite number composed of five prime numbers multiplied together.
21215831128344 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred thirty-two divisors.
Prime factorization of 21215831128344:
23 × 33 × 292 × 1012 × 1072
(2 × 2 × 2 × 3 × 3 × 3 × 29 × 29 × 101 × 101 × 107 × 107)See below for interesting mathematical facts about the number 21215831128344 from the Numbermatics database.
Names of 21215831128344
- Cardinal: 21215831128344 can be written as Twenty-one trillion, two hundred fifteen billion, eight hundred thirty-one million, one hundred twenty-eight thousand, three hundred forty-four.
Scientific notation
- Scientific notation: 2.1215831128344 × 1013
Factors of 21215831128344
Divisors of 21215831128344
- Number of divisors d(n): 432
-
Complete list of divisors:
1 2 3 4 6 8 9 12 18 24 27 29 36 54 58 72 87 101 107 108 116 174 202 214 216 232 261 303 321 348 404 428 522 606 642 696 783 808 841 856 909 963 1044 1212 1284 1566 1682 1818 1926 2088 2424 2523 2568 2727 2889 2929 3103 3132 3364 3636 3852 5046 5454 5778 5858 6206 6264 6728 7272 7569 7704 8787 9309 10092 10201 10807 10908 11449 11556 11716 12412 15138 17574 18618 20184 20402 21614 21816 22707 22898 23112 23432 24824 26361 27927 30276 30603 32421 34347 35148 37236 40804 43228 45414 45796 52722 55854 60552 61206 64842 68694 70296 74472 79083 81608 83781 84941 86456 89987 90828 91592 91809 97263 103041 105444 111708 122412 129684 137388 158166 167562 169882 179974 181656 183618 194526 206082 210888 223416 244824 254823 259368 269961 274776 275427 291789 295829 309123 313403 316332 332021 335124 339764 359948 367236 389052 412164 509646 539922 550854 583578 591658 618246 626806 632664 664042 670248 679528 719896 734472 764469 778104 809883 824328 887487 940209 996063 1019292 1079844 1091507 1101708 1156349 1167156 1183316 1236492 1253612 1328084 1528938 1619766 1774974 1880418 1992126 2038584 2159688 2183014 2203416 2293407 2312698 2334312 2366632 2429649 2472984 2507224 2656168 2662461 2820627 2988189 3057876 3239532 3274521 3469047 3549948 3760836 3984252 4366028 4586814 4625396 4859298 5324922 5641254 5976378 6115752 6479064 6549042 6938094 7099896 7521672 7968504 7987383 8461881 8579041 8732056 8964567 9088687 9173628 9250792 9628609 9718596 9823563 10407141 10649844 11282508 11952756 13098084 13876188 15974766 16923762 17158082 17929134 18177374 18347256 19257218 19437192 19647126 20814282 21299688 22565016 23905512 25737123 26196168 27266061 27752376 28885827 29470689 31221423 31653703 31949532 33534121 33847524 34316164 35858268 36354748 38514436 39294252 41628564 51474246 54532122 57771654 58941378 62442846 63307406 63899064 67068242 67695048 68632328 71716536 72709496 77028872 77211369 78588504 81798183 83257128 86657481 94961109 100602363 102948492 109064244 115543308 116791249 117882756 124885692 126614812 134136484 154422738 163596366 173314962 189922218 201204726 205896984 218128488 231086616 231634107 233582498 235765512 245394549 249771384 253229624 259972443 268272968 284883327 301807089 308845476 327192732 346629924 350373747 379844436 402409452 463268214 467164996 490789098 519944886 569766654 603614178 617690952 654385464 693259848 700747494 759688872 804818904 854649981 905421267 917957387 926536428 934329992 972489509 981578196 1039889772 1051121241 1139533308 1207228356 1401494988 1709299962 1810842534 1835914774 1853072856 1944979018 1963156392 2079779544 2102242482 2279066616 2414456712 2753872161 2802989976 2917468527 3153363723 3386946221 3418599924 3621685068 3671829548 3889958036 4204484964 5507744322 5834937054 6306727446 6773892442 6837199848 7243370136 7343659096 7779916072 8261616483 8408969928 8752405581 10160838663 11015488644 11669874108 12613454892 13547784884 16523232966 17504811162 20321677326 22030977288 23339748216 24784849449 25226909784 26257216743 27095569768 30482515989 33046465932 35009622324 40643354652 49569698898 52514433486 60965031978 66092931864 70019244648 81286709304 91447547967 98221440409 99139397796 105028866972 121930063956 182895095934 196442880818 198278795592 210057733944 243860127912 294664321227 365790191868 392885761636 589328642454 731580383736 785771523272 883992963681 1178657284908 1767985927362 2357314569816 2651978891043 3535971854724 5303957782086 7071943709448 10607915564172 21215831128344
- Sum of all divisors σ(n): 62226907524600
- Sum of proper divisors (its aliquot sum) s(n): 41011076396256
- 21215831128344 is an abundant number, because the sum of its proper divisors (41011076396256) is greater than itself. Its abundance is 19795245267912
Bases of 21215831128344
- Binary: 1001101001011101100100001001111111001000110002
- Hexadecimal: 0x134BB213F918
- Base-36: 7IQF22S60
Squares and roots of 21215831128344
- 21215831128344 squared (212158311283442) is 450111490466410244200182336
- 21215831128344 cubed (212158311283443) is 9549489370662580050040754991389417731584
-
The
square root of 21215831128344 is 4606064.6031448581 -
The
cube root of 21215831128344 is 27683.4375256921
Scales and comparisons
How big is 21215831128344?- 21,215,831,128,344 seconds is equal to 674,597 years, 41 weeks, 6 days, 32 minutes, 24 seconds.
-
To count from 1 to 21,215,831,128,344 would take you about one million, six hundred eighty-six thousand, four hundred ninety-four 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 21215831128344 cubic inches would be around 2307 feet tall.
Recreational maths with 21215831128344
- 21215831128344 backwards is 44382113851212
- The number of decimal digits it has is: 14
- The sum of 21215831128344's digits is 45
- More coming soon!
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