13155688728
13,155,688,728 is an even composite number composed of five prime numbers multiplied together.
13155688728 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 13155688728:
23 × 32 × 7 × 133 × 1092
(2 × 2 × 2 × 3 × 3 × 7 × 13 × 13 × 13 × 109 × 109)See below for interesting mathematical facts about the number 13155688728 from the Numbermatics database.
Names of 13155688728
- Cardinal: 13155688728 can be written as Thirteen billion, one hundred fifty-five million, six hundred eighty-eight thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.3155688728 × 1010
Factors of 13155688728
Divisors of 13155688728
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 52 56 63 72 78 84 91 104 109 117 126 156 168 169 182 218 234 252 273 312 327 338 364 436 468 504 507 546 654 676 728 763 819 872 936 981 1014 1092 1183 1308 1352 1417 1521 1526 1638 1962 2028 2184 2197 2289 2366 2616 2834 3042 3052 3276 3549 3924 4056 4251 4394 4578 4732 5668 6084 6104 6552 6591 6867 7098 7848 8502 8788 9156 9464 9919 10647 11336 11881 12168 12753 13182 13734 14196 15379 17004 17576 18312 18421 19773 19838 21294 23762 25506 26364 27468 28392 29757 30758 34008 35643 36842 39546 39676 42588 46137 47524 51012 52728 54936 55263 59514 61516 71286 73684 79092 79352 83167 85176 89271 92274 95048 102024 106929 110526 119028 123032 128947 138411 142572 147368 154453 158184 165789 166334 178542 184548 213858 221052 238056 239473 249501 257894 276822 285144 308906 331578 332668 357084 369096 386841 427716 442104 463359 478946 499002 515788 553644 617812 663156 665336 714168 718419 748503 773682 855432 926718 957892 998004 1031576 1081171 1107288 1160523 1235624 1326312 1390077 1436838 1497006 1547364 1676311 1853436 1915784 1996008 2007889 2155257 2162342 2321046 2780154 2873676 2994012 3094728 3243513 3352622 3706872 4015778 4310514 4324684 4642092 5028933 5560308 5747352 5988024 6023667 6487026 6705244 8031556 8621028 8649368 9284184 9730539 10057866 11120616 12047334 12974052 13410488 14055223 15086799 16063112 17242056 18071001 19461078 20115732 24094668 25948104 26102557 28110446 30173598 36142002 38922156 40231464 42165669 48189336 52205114 56220892 60347196 72284004 77844312 78307671 84331338 104410228 112441784 120694392 126497007 144568008 156615342 168662676 182717899 208820456 234923013 252994014 313230684 337325352 365435798 469846026 505988028 548153697 626461368 730871596 939692052 1011976056 1096307394 1461743192 1644461091 1879384104 2192614788 3288922182 4385229576 6577844364 13155688728
- Sum of all divisors σ(n): 44520184800
- Sum of proper divisors (its aliquot sum) s(n): 31364496072
- 13155688728 is an abundant number, because the sum of its proper divisors (31364496072) is greater than itself. Its abundance is 18208807344
Bases of 13155688728
- Binary: 11000100000010001111100001000110002
- Hexadecimal: 0x31023E118
- Base-36: 61KK2E0
Squares and roots of 13155688728
- 13155688728 squared (131556887282) is 173072145908026257984
- 13155688728 cubed (131556887283) is 2276883279052992366888128804352
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The
square root of 13155688728 is 114698.2507625989 -
The
cube root of 13155688728 is 2360.6840356527
Scales and comparisons
How big is 13155688728?- 13,155,688,728 seconds is equal to 418 years, 16 weeks, 21 hours, 58 minutes, 48 seconds.
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To count from 1 to 13,155,688,728 would take you about eight 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 13155688728 cubic inches would be around 196.7 feet tall.
Recreational maths with 13155688728
- 13155688728 backwards is 82788655131
- The number of decimal digits it has is: 11
- The sum of 13155688728's digits is 54
- More coming soon!
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