21013239456
21,013,239,456 is an even composite number composed of five prime numbers multiplied together.
21013239456 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 21013239456:
25 × 33 × 112 × 292 × 239
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 11 × 11 × 29 × 29 × 239)See below for interesting mathematical facts about the number 21013239456 from the Numbermatics database.
Names of 21013239456
- Cardinal: 21013239456 can be written as Twenty-one billion, thirteen million, two hundred thirty-nine thousand, four hundred fifty-six.
Scientific notation
- Scientific notation: 2.1013239456 × 1010
Factors of 21013239456
Divisors of 21013239456
- Number of divisors d(n): 432
-
Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 29 32 33 36 44 48 54 58 66 72 87 88 96 99 108 116 121 132 144 174 176 198 216 232 239 242 261 264 288 297 319 348 352 363 396 432 464 478 484 522 528 594 638 696 717 726 783 792 841 864 928 956 957 968 1044 1056 1089 1188 1276 1392 1434 1452 1566 1584 1682 1912 1914 1936 2088 2151 2178 2376 2523 2552 2629 2784 2868 2871 2904 3132 3168 3267 3364 3509 3824 3828 3872 4176 4302 4356 4752 5046 5104 5258 5736 5742 5808 6264 6453 6534 6728 6931 7018 7569 7648 7656 7887 8352 8604 8613 8712 9251 9504 10092 10208 10516 10527 11472 11484 11616 12528 12906 13068 13456 13862 14036 15138 15312 15774 17208 17226 17424 18502 20184 20793 21032 21054 22707 22944 22968 23661 25056 25812 26136 26912 27724 27753 28072 28919 30276 30624 31548 31581 34416 34452 34848 37004 40368 41586 42064 42108 45414 45936 47322 51624 52272 55448 55506 56144 57838 60552 62379 63096 63162 68832 68904 70983 74008 76241 80736 83172 83259 84128 84216 86757 90828 91872 94644 94743 101761 103248 104544 110896 111012 112288 115676 121104 124758 126192 126324 137808 141966 148016 152482 166344 166518 168432 173514 181656 187137 189288 189486 200999 203522 206496 221792 222024 228723 231352 242208 249516 249777 252384 252648 260271 275616 283932 296032 304964 305283 332688 333036 336864 347028 363312 374274 378576 378972 401998 407044 444048 457446 462704 499032 499554 505296 520542 567864 602997 609928 610566 665376 666072 686169 694056 726624 748548 757152 757944 780813 803996 814088 838651 888096 914892 915849 925408 998064 999108 1010592 1041084 1135728 1205994 1219856 1221132 1332144 1372338 1388112 1497096 1515888 1561626 1607992 1628176 1677302 1808991 1829784 1831698 1996128 1998216 2058507 2082168 2210989 2271456 2411988 2439712 2442264 2515953 2664288 2744676 2747547 2776224 2994192 3031776 3123252 3215984 3256352 3354604 3617982 3659568 3663396 3996432 4117014 4164336 4421978 4823976 4884528 5031906 5426973 5489352 5495094 5988384 6246504 6431968 6632967 6709208 7235964 7319136 7326792 7547859 7992864 8234028 8328672 8843956 9647952 9769056 10063812 10853946 10978704 10990188 12493008 13265934 13418416 14471928 14653584 15095718 16468056 17687912 19295904 19898901 20127624 21707892 21957408 21980376 22643577 24320879 24986016 26531868 26836832 28943856 29307168 30191436 32936112 35375824 39797802 40255248 43415784 43960752 45287154 48641758 53063736 57887712 59696703 60382872 65872224 70751648 72962637 79595604 80510496 86831568 87921504 90574308 97283516 106127472 119393406 120765744 145925274 159191208 173663136 181148616 194567032 212254944 218887911 238786812 241531488 291850548 318382416 362297232 389134064 437775822 477573624 583701096 636764832 656663733 724594464 778268128 875551644 955147248 1167402192 1313327466 1751103288 1910294496 2334804384 2626654932 3502206576 5253309864 7004413152 10506619728 21013239456
- Sum of all divisors σ(n): 70061846400
- Sum of proper divisors (its aliquot sum) s(n): 49048606944
- 21013239456 is an abundant number, because the sum of its proper divisors (49048606944) is greater than itself. Its abundance is 28035367488
Bases of 21013239456
- Binary: 100111001000111110010010110101000002
- Hexadecimal: 0x4E47C96A0
- Base-36: 9NIQNC0
Squares and roots of 21013239456
- 21013239456 squared (210132394562) is 441556232435195175936
- 21013239456 cubed (210132394563) is 9278526845449950234039216930816
-
The
square root of 21013239456 is 144959.4407273981 -
The
cube root of 21013239456 is 2759.5038427597
Scales and comparisons
How big is 21013239456?- 21,013,239,456 seconds is equal to 668 years, 8 weeks, 18 hours, 57 minutes, 36 seconds.
-
To count from 1 to 21,013,239,456 would take you about one thousand, three hundred thirty-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 21013239456 cubic inches would be around 230 feet tall.
Recreational maths with 21013239456
- 21013239456 backwards is 65493231012
- 21013239456 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21013239456's digits is 36
- More coming soon!
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The information we have on file for 21013239456 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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