21489731424
21,489,731,424 is an even composite number composed of seven prime numbers multiplied together.
21489731424 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 21489731424:
25 × 32 × 7 × 19 × 37 × 59 × 257
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 19 × 37 × 59 × 257)See below for interesting mathematical facts about the number 21489731424 from the Numbermatics database.
Names of 21489731424
- Cardinal: 21489731424 can be written as Twenty-one billion, four hundred eighty-nine million, seven hundred thirty-one thousand, four hundred twenty-four.
Scientific notation
- Scientific notation: 2.1489731424 × 1010
Factors of 21489731424
Divisors of 21489731424
- Number of divisors d(n): 576
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 28 32 36 37 38 42 48 56 57 59 63 72 74 76 84 96 111 112 114 118 126 133 144 148 152 168 171 177 222 224 228 236 252 257 259 266 288 296 304 333 336 342 354 399 413 444 456 472 504 514 518 531 532 592 608 666 672 684 703 708 771 777 798 826 888 912 944 1008 1028 1036 1062 1064 1121 1184 1197 1239 1332 1368 1406 1416 1542 1554 1596 1652 1776 1799 1824 1888 2016 2056 2072 2109 2124 2128 2183 2242 2313 2331 2394 2478 2664 2736 2812 2832 3084 3108 3192 3304 3363 3552 3598 3717 4112 4144 4218 4248 4256 4366 4484 4626 4662 4788 4883 4921 4956 5328 5397 5472 5624 5664 6168 6216 6327 6384 6549 6608 6726 7196 7434 7847 8224 8288 8436 8496 8732 8968 9252 9324 9509 9576 9766 9842 9912 10089 10656 10794 11248 12336 12432 12654 12768 13098 13216 13452 14392 14649 14763 14868 15163 15281 15694 16191 16872 16992 17464 17936 18504 18648 19018 19152 19532 19647 19684 19824 20178 21588 22496 23541 24672 24864 25308 26196 26904 28527 28784 29298 29526 29736 30326 30562 31388 32382 33744 34181 34928 35872 37008 37296 38036 38304 39064 39294 39368 39648 40356 41477 43176 43947 44289 45489 45843 47082 50616 52392 53808 57054 57568 58596 59052 59472 60652 61124 62776 64764 66563 67488 68362 69856 70623 74016 74592 76072 78128 78588 78736 80712 82954 85581 86352 87894 88578 90978 91686 94164 101232 102543 104784 106141 107616 114108 117192 118104 118944 121304 122248 124431 125552 129528 133126 136467 136724 137529 141246 152144 156256 157176 157472 161424 165908 171162 172704 175788 177156 180671 181956 183372 188328 199689 202464 205086 209568 212282 228216 234384 236208 242608 244496 248862 251104 259056 266252 272934 273448 275058 282492 288097 290339 304288 307629 314352 318423 322848 331816 342324 351576 354312 361342 363912 366744 373293 376656 399378 410172 424564 456432 468768 472416 485216 488992 497724 518112 532504 542013 545868 546896 550116 561031 564984 576194 580678 599067 615258 628704 636846 663632 684648 703152 708624 722684 727824 733488 746586 753312 798756 820344 849128 864291 871017 912864 955269 995448 1065008 1084026 1091736 1093792 1100232 1122062 1129968 1152388 1161356 1198134 1230516 1264697 1273692 1327264 1369296 1406304 1417248 1445368 1455648 1466976 1493172 1597512 1626039 1640688 1683093 1698256 1728582 1742034 1910538 1990896 2016679 2130016 2168052 2183472 2200464 2244124 2259936 2304776 2322712 2396268 2461032 2529394 2547384 2592873 2613051 2738592 2890736 2986344 3195024 3252078 3281376 3366186 3396512 3457164 3484068 3794091 3821076 3927217 3981792 4033358 4336104 4366944 4400928 4488248 4609552 4645424 4792536 4922064 5049279 5058788 5094768 5185746 5226102 5781472 5972688 6050037 6390048 6504156 6732372 6914328 6968136 7588182 7642152 7854434 8066716 8672208 8976496 9219104 9290848 9585072 9844128 10098558 10117576 10189536 10371492 10452204 10659589 11382273 11781651 11945376 12100074 13008312 13464744 13828656 13936272 15176364 15284304 15708868 16133432 17344416 17952992 18150111 19170144 20197116 20235152 20742984 20904408 21319178 22764546 23563302 24200148 26016624 26929488 27657312 27872544 30352728 30568608 31417736 31978767 32266864 35344953 36300222 40394232 40470304 41485968 41808816 42638356 45529092 47126604 48400296 52033248 53858976 60705456 62835472 63957534 64533728 70689906 72600444 74617123 80788464 82971936 83617632 85276712 91058184 94253208 95936301 96800592 121410912 125670944 127915068 141379812 145200888 149234246 161576928 170553424 182116368 188506416 191872602 193601184 223851369 255830136 282759624 290401776 298468492 341106848 364232736 377012832 383745204 447702738 511660272 565519248 580803552 596936984 671554107 767490408 895405476 1023320544 1131038496 1193873968 1343108214 1534980816 1790810952 2387747936 2686216428 3069961632 3581621904 5372432856 7163243808 10744865712 21489731424
- Sum of all divisors σ(n): 77082969600
- Sum of proper divisors (its aliquot sum) s(n): 55593238176
- 21489731424 is an abundant number, because the sum of its proper divisors (55593238176) is greater than itself. Its abundance is 34103506752
Bases of 21489731424
- Binary: 101000000001110001101000111011000002
- Hexadecimal: 0x500E34760
- Base-36: 9VEFIW0
Squares and roots of 21489731424
- 21489731424 squared (214897314242) is 461808556675653067776
- 21489731424 cubed (214897314243) is 9924141852264866706307908993024
-
The
square root of 21489731424 is 146593.7632506923 -
The
cube root of 21489731424 is 2780.2061258753
Scales and comparisons
How big is 21489731424?- 21,489,731,424 seconds is equal to 683 years, 15 weeks, 6 days, 17 hours, 50 minutes, 24 seconds.
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To count from 1 to 21,489,731,424 would take you about one thousand, three hundred sixty-six 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 21489731424 cubic inches would be around 231.7 feet tall.
Recreational maths with 21489731424
- 21489731424 backwards is 42413798412
- The number of decimal digits it has is: 11
- The sum of 21489731424's digits is 45
- More coming soon!
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