21269529072
21,269,529,072 is an even composite number composed of five prime numbers multiplied together.
21269529072 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21269529072:
24 × 33 × 113 × 71 × 521
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 11 × 11 × 11 × 71 × 521)See below for interesting mathematical facts about the number 21269529072 from the Numbermatics database.
Names of 21269529072
- Cardinal: 21269529072 can be written as Twenty-one billion, two hundred sixty-nine million, five hundred twenty-nine thousand and seventy-two.
Scientific notation
- Scientific notation: 2.1269529072 × 1010
Factors of 21269529072
Divisors of 21269529072
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 6 8 9 11 12 16 18 22 24 27 33 36 44 48 54 66 71 72 88 99 108 121 132 142 144 176 198 213 216 242 264 284 297 363 396 426 432 484 521 528 568 594 639 726 781 792 852 968 1042 1089 1136 1188 1278 1331 1452 1562 1563 1584 1704 1917 1936 2084 2178 2343 2376 2556 2662 2904 3124 3126 3267 3408 3834 3993 4168 4356 4686 4689 4752 5112 5324 5731 5808 6248 6252 6534 7029 7668 7986 8336 8591 8712 9372 9378 10224 10648 11462 11979 12496 12504 13068 14058 14067 15336 15972 17182 17193 17424 18744 18756 21087 21296 22924 23958 25008 25773 26136 28116 28134 30672 31944 34364 34386 35937 36991 37488 37512 42174 45848 47916 51546 51579 52272 56232 56268 63041 63888 68728 68772 71874 73982 75024 77319 84348 91696 94501 95832 103092 103158 110973 112464 112536 126082 137456 137544 143748 147964 154638 154737 168696 189002 189123 191664 206184 206316 221946 225072 231957 252164 275088 283503 287496 295928 309276 309474 332919 337392 378004 378246 406901 412368 412632 443892 463914 504328 567006 567369 574992 591856 618552 618948 665838 693451 756008 756492 813802 825264 850509 887784 927828 998757 1008656 1134012 1134738 1220703 1237104 1237896 1331676 1386902 1512016 1512984 1627604 1701018 1702107 1775568 1855656 1997514 2080353 2268024 2269476 2441406 2475792 2551527 2663352 2773804 3025968 3255208 3402036 3404214 3662109 3711312 3995028 4160706 4475911 4536048 4538952 4882812 5103054 5326704 5547608 6241059 6510416 6804072 6808428 7324218 7990056 8321412 8951822 9077904 9765624 10206108 10986327 11095216 12482118 13427733 13608144 13616856 14648436 15980112 16642824 17903644 18723177 19531248 20412216 21972654 24964236 26855466 27233712 29296872 33285648 35807288 37446354 40283199 40824432 43945308 49235021 49928472 53710932 58593744 71614576 74892708 80566398 87890616 98470042 99856944 107421864 120849597 147705063 149785416 161132796 175781232 196940084 214843728 241699194 295410126 299570832 322265592 393880168 443115189 483398388 590820252 644531184 787760336 886230378 966796776 1181640504 1329345567 1772460756 1933593552 2363281008 2658691134 3544921512 5317382268 7089843024 10634764536 21269529072
- Sum of all divisors σ(n): 68228490240
- Sum of proper divisors (its aliquot sum) s(n): 46958961168
- 21269529072 is an abundant number, because the sum of its proper divisors (46958961168) is greater than itself. Its abundance is 25689432096
Bases of 21269529072
- Binary: 100111100111100001101000001111100002
- Hexadecimal: 0x4F3C341F0
- Base-36: 9RRBTO0
Squares and roots of 21269529072
- 21269529072 squared (212695290722) is 452392866944653181184
- 21269529072 cubed (212695290723) is 9622183235444728652150371381248
-
The
square root of 21269529072 is 145840.7661526777 -
The
cube root of 21269529072 is 2770.6773735603
Scales and comparisons
How big is 21269529072?- 21,269,529,072 seconds is equal to 676 years, 15 weeks, 6 days, 2 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,269,529,072 would take you about one thousand, three hundred fifty-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 21269529072 cubic inches would be around 230.9 feet tall.
Recreational maths with 21269529072
- 21269529072 backwards is 27092596212
- The number of decimal digits it has is: 11
- The sum of 21269529072's digits is 45
- More coming soon!
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