15420321072
15,420,321,072 is an even composite number composed of six prime numbers multiplied together.
15420321072 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 15420321072:
24 × 32 × 13 × 31 × 41 × 6481
(2 × 2 × 2 × 2 × 3 × 3 × 13 × 31 × 41 × 6481)See below for interesting mathematical facts about the number 15420321072 from the Numbermatics database.
Names of 15420321072
- Cardinal: 15420321072 can be written as Fifteen billion, four hundred twenty million, three hundred twenty-one thousand and seventy-two.
Scientific notation
- Scientific notation: 1.5420321072 × 1010
Factors of 15420321072
Divisors of 15420321072
- Number of divisors d(n): 240
-
Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 31 36 39 41 48 52 62 72 78 82 93 104 117 123 124 144 156 164 186 208 234 246 248 279 312 328 369 372 403 468 492 496 533 558 624 656 738 744 806 936 984 1066 1116 1209 1271 1476 1488 1599 1612 1872 1968 2132 2232 2418 2542 2952 3198 3224 3627 3813 4264 4464 4797 4836 5084 5904 6396 6448 6481 7254 7626 8528 9594 9672 10168 11439 12792 12962 14508 15252 16523 19188 19344 19443 20336 22878 25584 25924 29016 30504 33046 38376 38886 45756 49569 51848 58032 58329 61008 66092 76752 77772 84253 91512 99138 103696 116658 132184 148707 155544 168506 183024 198276 200911 233316 252759 264368 265721 297414 311088 337012 396552 401822 466632 505518 531442 594828 602733 674024 758277 793104 797163 803644 933264 1011036 1062884 1189656 1205466 1348048 1516554 1594326 1607288 1808199 2022072 2125768 2379312 2391489 2410932 2611843 3033108 3188652 3214576 3454373 3616398 4044144 4251536 4782978 4821864 5223686 6066216 6377304 6908746 7232796 7835529 8237351 9565956 9643728 10363119 10447372 12132432 12754608 13817492 14465592 15671058 16474702 19131912 20726238 20894744 23506587 24712053 27634984 28931184 31089357 31342116 32949404 38263824 41452476 41789488 47013174 49424106 55269968 62178714 62684232 65898808 74136159 82904952 94026348 98848212 107085563 124357428 125368464 131797616 148272318 165809904 188052696 197696424 214171126 248714856 296544636 321256689 376105392 395392848 428342252 497429712 593089272 642513378 856684504 963770067 1186178544 1285026756 1713369008 1927540134 2570053512 3855080268 5140107024 7710160536 15420321072
- Sum of all divisors σ(n): 49152020736
- Sum of proper divisors (its aliquot sum) s(n): 33731699664
- 15420321072 is an abundant number, because the sum of its proper divisors (33731699664) is greater than itself. Its abundance is 18311378592
Bases of 15420321072
- Binary: 11100101110001111101101101001100002
- Hexadecimal: 0x3971F6D30
- Base-36: 730UZW0
Squares and roots of 15420321072
- 15420321072 squared (154203210722) is 237786301963567229184
- 15420321072 cubed (154203210723) is 3666741122801750720474688565248
-
The
square root of 15420321072 is 124178.5854002211 -
The
cube root of 15420321072 is 2489.0357751121
Scales and comparisons
How big is 15420321072?- 15,420,321,072 seconds is equal to 490 years, 16 weeks, 3 days, 22 hours, 31 minutes, 12 seconds.
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To count from 1 to 15,420,321,072 would take you about nine hundred eighty 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 15420321072 cubic inches would be around 207.4 feet tall.
Recreational maths with 15420321072
- 15420321072 backwards is 27012302451
- The number of decimal digits it has is: 11
- The sum of 15420321072's digits is 27
- More coming soon!
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