21426749136
21,426,749,136 is an even composite number composed of seven prime numbers multiplied together.
21426749136 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21426749136:
24 × 32 × 13 × 17 × 31 × 37 × 587
(2 × 2 × 2 × 2 × 3 × 3 × 13 × 17 × 31 × 37 × 587)See below for interesting mathematical facts about the number 21426749136 from the Numbermatics database.
Names of 21426749136
- Cardinal: 21426749136 can be written as Twenty-one billion, four hundred twenty-six million, seven hundred forty-nine thousand, one hundred thirty-six.
Scientific notation
- Scientific notation: 2.1426749136 × 1010
Factors of 21426749136
Divisors of 21426749136
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 17 18 24 26 31 34 36 37 39 48 51 52 62 68 72 74 78 93 102 104 111 117 124 136 144 148 153 156 186 204 208 221 222 234 248 272 279 296 306 312 333 372 403 408 442 444 468 481 496 527 558 587 592 612 624 629 663 666 744 806 816 884 888 936 962 1054 1116 1147 1174 1209 1224 1258 1326 1332 1443 1488 1581 1612 1761 1768 1776 1872 1887 1924 1989 2108 2232 2294 2348 2418 2448 2516 2652 2664 2886 3162 3224 3441 3522 3536 3627 3774 3848 3978 4216 4329 4464 4588 4696 4743 4836 5032 5283 5304 5328 5661 5772 6324 6448 6851 6882 7044 7254 7548 7631 7696 7956 8177 8432 8658 9176 9392 9486 9672 9979 10064 10323 10566 10608 11322 11544 12648 13702 13764 14088 14508 14911 15096 15262 15912 16354 17316 18197 18352 18972 19344 19499 19958 20553 20646 21132 21719 22644 22893 23088 24531 25296 27404 27528 28176 29016 29822 29937 30192 30524 31824 32708 34632 36394 37944 38998 39916 41106 41292 42264 43438 44733 45288 45786 49062 54591 54808 55056 58032 58497 59644 59874 61048 61659 65157 65416 68679 69264 72788 73593 75888 77996 79832 82212 82584 84528 86876 89466 89811 90576 91572 98124 109182 109616 116994 119288 119748 122096 123318 129727 130314 130832 134199 137358 145576 147186 155992 159664 163773 164424 165168 173752 175491 178932 179622 183144 195471 196248 218364 233988 236561 238576 239496 246636 253487 259454 260628 268398 274716 282347 291152 294372 309349 311984 327546 328848 347504 350982 357864 359244 366288 369223 389181 390942 392496 436728 467976 473122 478992 493272 506974 518908 521256 536796 549432 564694 588744 618698 655092 673289 701964 709683 715728 718488 738446 760461 778362 781884 847041 873456 928047 935952 946244 986544 1013948 1037816 1042512 1073592 1098864 1107669 1129388 1167543 1177488 1237396 1310184 1346578 1403928 1419366 1436976 1476892 1520922 1556724 1563768 1694082 1856094 1892488 2019867 2027896 2075632 2129049 2147184 2215338 2258776 2281383 2335086 2474792 2541123 2620368 2693156 2784141 2807856 2838732 2953784 3041844 3113448 3127536 3323007 3388164 3712188 3784976 4021537 4039734 4055792 4258098 4430676 4517552 4562766 4670172 4799899 4949584 5082246 5386312 5568282 5677464 5907568 6059601 6083688 6226896 6646014 6776328 7424376 8043074 8079468 8516196 8752757 8861352 9125532 9340344 9599798 10164492 10772624 11136564 11354928 11445913 12064611 12119202 12167376 13292028 13552656 14399697 14848752 16086148 16158936 17032392 17505514 17722704 18251064 18680688 19199596 20328984 22273128 22891826 24129222 24238404 26258271 26584056 28799394 32172296 32317872 34064784 34337739 35011028 36193833 36502128 38399192 40657968 43199091 44546256 45783652 48258444 48476808 52516542 53168112 57598788 64344592 68675478 70022056 72387666 76798384 78774813 86398182 91567304 96516888 96953616 103013217 105033084 115197576 137350956 140044112 144775332 148796869 157549626 172796364 183134608 193033776 206026434 210066168 230395152 274701912 289550664 297593738 315099252 345592728 412052868 420132336 446390607 549403824 579101328 595187476 630198504 691185456 824105736 892781214 1190374952 1260397008 1339171821 1648211472 1785562428 2380749904 2678343642 3571124856 5356687284 7142249712 10713374568 21426749136
- Sum of all divisors σ(n): 72613352448
- Sum of proper divisors (its aliquot sum) s(n): 51186603312
- 21426749136 is an abundant number, because the sum of its proper divisors (51186603312) is greater than itself. Its abundance is 29759854176
Bases of 21426749136
- Binary: 100111111010010001000111110110100002
- Hexadecimal: 0x4FD223ED0
- Base-36: 9UCXLG0
Squares and roots of 21426749136
- 21426749136 squared (214267491362) is 459105578537076746496
- 21426749136 cubed (214267491363) is 9837140058252089321948859027456
-
The
square root of 21426749136 is 146378.7864958581 -
The
cube root of 21426749136 is 2777.4873841699
Scales and comparisons
How big is 21426749136?- 21,426,749,136 seconds is equal to 681 years, 15 weeks, 5 days, 18 hours, 45 minutes, 36 seconds.
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To count from 1 to 21,426,749,136 would take you about one thousand, three hundred sixty-two 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 21426749136 cubic inches would be around 231.5 feet tall.
Recreational maths with 21426749136
- 21426749136 backwards is 63194762412
- The number of decimal digits it has is: 11
- The sum of 21426749136's digits is 45
- More coming soon!
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