15121313856

Names of 15121313856

• Cardinal: 15121313856 can be written as Fifteen billion, one hundred twenty-one million, three hundred thirteen thousand, eight hundred fifty-six.

Scientific notation

• Scientific notation: 1.5121313856 × 10¹⁰

Factors of 15121313856

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 636

Divisors of 15121313856

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 19 22 24 32 33 36 38 44 48 57 64 66 72 76 88 96 99 114 121 132 144 152 171 176 192 198 209 228 242 264 288 304 342 352 361 363 396 418 456 484 528 576 601 608 627 684 704 722 726 792 836 912 968 1056 1083 1089 1202 1216 1254 1368 1444 1452 1584 1672 1803 1824 1881 1936 2112 2166 2178 2299 2404 2508 2736 2888 2904 3168 3249 3344 3606 3648 3762 3872 3971 4332 4356 4598 4808 5016 5409 5472 5776 5808 6336 6498 6611 6688 6897 7212 7524 7744 7942 8664 8712 9196 9616 10032 10818 10944 11419 11552 11616 11913 12996 13222 13376 13794 14424 15048 15884 17328 17424 18392 19232 19833 20064 20691 21636 22838 23104 23232 23826 25992 26444 27588 28848 30096 31768 34257 34656 34848 35739 36784 38464 39666 40128 41382 43272 43681 45676 47652 51984 52888 55176 57696 59499 60192 63536 68514 69312 69696 71478 72721 73568 79332 82764 86544 87362 91352 95304 102771 103968 105776 110352 115392 118998 120384 125609 127072 131043 137028 142956 145442 147136 158664 165528 173088 174724 182704 190608 205542 207936 211552 216961 218163 220704 237996 251218 254144 262086 274056 285912 290884 317328 331056 346176 349448 365408 376827 381216 393129 411084 423104 433922 436326 441408 475992 502436 524172 548112 571824 581768 634656 650883 654489 662112 698896 730816 753654 762432 786258 822168 867844 872652 951984 1004872 1048344 1096224 1130481 1143648 1163536 1269312 1301766 1308978 1324224 1381699 1397792 1507308 1572516 1644336 1735688 1745304 1903968 1952649 2009744 2096688 2192448 2260962 2287296 2327072 2386571 2603532 2617956 2763398 2795584 3014616 3145032 3288672 3471376 3490608 3807936 3905298 4019488 4145097 4193376 4521924 4654144 4773142 5207064 5235912 5526796 6029232 6290064 6577344 6942752 6981216 7159713 7810596 8038976 8290194 8386752 9043848 9546284 10414128 10471824 11053592 12058464 12435291 12580128 13885504 13962432 14319426 15621192 16580388 18087696 19092568 20828256 20943648 21479139 22107184 24116928 24870582 25160256 26252281 28638852 31242384 33160776 36175392 38185136 41656512 41887296 42958278 44214368 49741164 52504562 57277704 62484768 66321552 72350784 76370272 78756843 85916556 88428736 99482328 105009124 114555408 124969536 132643104 152740544 157513686 171833112 198964656 210018248 229110816 236270529 265286208 315027372 343666224 397929312 420036496 458221632 472541058 630054744 687332448 795858624 840072992 945082116 1260109488 1374664896 1680145984 1890164232 2520218976 3780328464 5040437952 7560656928 15121313856
• Sum of all divisors σ(n): 50363996046
• Sum of proper divisors (its aliquot sum) s(n): 35242682190
• 15121313856 is an abundant number, because the sum of its proper divisors (35242682190) is greater than itself. Its abundance is 20121368334

Bases of 15121313856

• Binary: 1110000101010011001111000001000000₂
• Hexadecimal: 0x3854CF040
• Base-36: 6Y2U8G0

Squares and roots of 15121313856

• 15121313856 squared (15121313856²) is 228654132731657588736
• 15121313856 cubed (15121313856³) is 3457550905506877026401226326016
• The square root of 15121313856 is 122968.7515428209
• The cube root of 15121313856 is 2472.8428018239

Scales and comparisons

• 15,121,313,856 seconds is equal to 480 years, 42 weeks, 1 day, 4 hours, 57 minutes, 36 seconds.
• To count from 1 to 15,121,313,856 would take you about nine hundred sixty-one 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 15121313856 cubic inches would be around 206.1 feet tall.

Recreational maths with 15121313856

• 15121313856 backwards is 65831312151
• 15121313856 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 15121313856's digits is 36
• More coming soon!