21315665052
21,315,665,052 is an even composite number composed of seven prime numbers multiplied together.
21315665052 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21315665052:
22 × 33 × 11 × 19 × 61 × 113 × 137
(2 × 2 × 3 × 3 × 3 × 11 × 19 × 61 × 113 × 137)See below for interesting mathematical facts about the number 21315665052 from the Numbermatics database.
Names of 21315665052
- Cardinal: 21315665052 can be written as Twenty-one billion, three hundred fifteen million, six hundred sixty-five thousand and fifty-two.
Scientific notation
- Scientific notation: 2.1315665052 × 1010
Factors of 21315665052
Divisors of 21315665052
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 4 6 9 11 12 18 19 22 27 33 36 38 44 54 57 61 66 76 99 108 113 114 122 132 137 171 183 198 209 226 228 244 274 297 339 342 366 396 411 418 452 513 548 549 594 627 671 678 684 732 822 836 1017 1026 1098 1159 1188 1233 1243 1254 1342 1356 1507 1644 1647 1881 2013 2034 2052 2147 2196 2318 2466 2486 2508 2603 2684 3014 3051 3294 3477 3699 3729 3762 4026 4068 4294 4521 4636 4932 4972 5206 5643 6028 6039 6102 6441 6588 6893 6954 7398 7458 7524 7809 8052 8357 8588 9042 10412 10431 11187 11286 12078 12204 12749 12882 13563 13786 13908 14796 14916 15481 15618 16714 18084 18117 19323 20679 20862 22374 22572 23427 23617 24156 25071 25498 25764 27126 27572 28633 30962 31236 31293 33428 33561 36234 38247 38646 40689 41358 41724 44748 46443 46854 47234 50142 50996 54252 57266 57969 61924 62037 62586 67122 70281 70851 72468 75213 75823 76494 77292 81378 82716 85899 91927 92886 93708 94468 100284 114532 114741 115938 124074 125172 130967 134244 139329 140562 141702 150426 151646 152988 158783 162756 170291 171798 183854 185772 186111 212553 225639 227469 229482 231876 248148 257697 261934 275781 278658 281124 283404 294139 300852 303292 317566 340582 343596 344223 367708 372222 392901 417987 425106 451278 454938 458964 476349 510873 515394 523868 551562 557316 588278 635132 637659 681164 682407 688446 744444 773091 785802 827343 835974 850212 882417 902556 909876 944341 952698 1021746 1030788 1103124 1176556 1178703 1275318 1364814 1376892 1429047 1440637 1532619 1546182 1571604 1654686 1671948 1746613 1764834 1888682 1905396 2043492 2047221 2357406 2482029 2550636 2647251 2729628 2833023 2858094 2881274 3065238 3092364 3235529 3309372 3493226 3529668 3536109 3777364 4094442 4287141 4321911 4597857 4714812 4964058 5239839 5294502 5666046 5716188 5762548 6130476 6471058 6986452 7072218 7941753 8188884 8499069 8574282 8643822 9195714 9706587 9928116 10387751 10479678 10589004 11332092 12942116 12965733 14144436 15719517 15883506 16998138 17148564 17287644 17942479 18391428 19413174 20775502 20959356 25497207 25931466 29119761 31163253 31439034 31767012 33996276 35884958 38826348 38897199 41551004 47158551 50994414 51862932 53827437 58239522 62326506 62878068 71769916 77794398 87359283 93489759 94317102 101988828 107654874 116479044 124653012 155588796 161482311 174718566 186979518 188634204 197367269 215309748 280469277 322964622 349437132 373959036 394734538 484446933 560938554 592101807 645929244 789469076 968893866 1121877108 1184203614 1776305421 1937787732 2368407228 3552610842 5328916263 7105221684 10657832526 21315665052
- Sum of all divisors σ(n): 65545804800
- Sum of proper divisors (its aliquot sum) s(n): 44230139748
- 21315665052 is an abundant number, because the sum of its proper divisors (44230139748) is greater than itself. Its abundance is 22914474696
Bases of 21315665052
- Binary: 100111101101000001100111100100111002
- Hexadecimal: 0x4F6833C9C
- Base-36: 9SISOF0
Squares and roots of 21315665052
- 21315665052 squared (213156650522) is 454357576609054162704
- 21315665052 cubed (213156650523) is 9684933916837028482724774620608
-
The
square root of 21315665052 is 145998.8529133021 -
The
cube root of 21315665052 is 2772.6792295541
Scales and comparisons
How big is 21315665052?- 21,315,665,052 seconds is equal to 677 years, 40 weeks, 1 day, 2 hours, 4 minutes, 12 seconds.
-
To count from 1 to 21,315,665,052 would take you about one thousand, three hundred fifty-five 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 21315665052 cubic inches would be around 231.1 feet tall.
Recreational maths with 21315665052
- 21315665052 backwards is 25056651312
- 21315665052 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21315665052's digits is 36
- More coming soon!
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The information we have on file for 21315665052 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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