18402151390792

Names of 18402151390792

• Cardinal: 18402151390792 can be written as Eighteen trillion, four hundred two billion, one hundred fifty-one million, three hundred ninety thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.8402151390792 × 10¹³

Factors of 18402151390792

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 129

Divisors of 18402151390792

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 8 13 17 26 34 52 68 97 104 136 169 194 221 289 338 388 442 578 676 776 884 1156 1261 1352 1649 1768 2197 2312 2522 2873 3298 3757 4394 4913 5044 5746 6596 7514 8788 9826 10088 11492 13192 15028 16393 17576 19652 21437 22984 28033 28561 30056 32786 37349 39304 42874 48841 56066 57122 63869 65572 74698 85748 97682 112132 114244 127738 131144 149396 171496 195364 213109 224264 228488 255476 278681 298792 364429 371293 390728 426218 476561 485537 510952 557362 634933 728858 742586 830297 852436 953122 971074 1114724 1269866 1457716 1485172 1660594 1704872 1906244 1942148 2229448 2539732 2770417 2915432 2970344 3321188 3622853 3812488 3884296 4737577 4826809 5079464 5540834 6195293 6311981 6642376 7245706 8254129 9475154 9653618 10793861 11081668 12390586 12623962 14491412 16508258 18950308 19307236 21587722 22163336 24781172 25247924 28982824 33016516 36015421 37900616 38614472 43175444 47097089 49562344 50495848 61588501 66033032 72030842 80538809 82055753 86350888 94194178 107303677 123177002 140320193 144061684 161077618 164111506 188388356 214607354 246354004 280640386 288123368 322155236 328223012 376776712 429214708 468200473 492708008 561280772 612262157 644310472 656446024 800650513 858429416 936400946 1047004517 1122561544 1224524314 1394947801 1601301026 1824162509 1872801892 2094009034 2449048628 2789895602 3202602052 3648325018 3745603784 4188018068 4898097256 5579791204 6405204104 7296650036 7959408041 8376036136 10408456669 11159582408 13611058721 14593300072 15918816082 20816913338 23714112617 27222117442 31837632164 41633826676 47428225234 54444234884 63675264328 83267653352 94856450468 108888469768 135309936697 176943763373 189712900936 270619873394 353887526746 541239746788 707775053492 1082479493576 1415550106984 2300268923849 4600537847698 9201075695396 18402151390792
• Sum of all divisors σ(n): 40124538556200
• Sum of proper divisors (its aliquot sum) s(n): 21722387165408
• 18402151390792 is an abundant number, because the sum of its proper divisors (21722387165408) is greater than itself. Its abundance is 3320235774616

Bases of 18402151390792

• Binary: 100001011110010010101101100100101111001001000₂
• Hexadecimal: 0x10BC95B25E48
• Base-36: 6ITTXT3YG

Squares and roots of 18402151390792

• 18402151390792 squared (18402151390792²) is 338639175809627939902387264
• 18402151390792 cubed (18402151390792³) is 6231689380101801396898777582938587673088
• The square root of 18402151390792 is 4289772.8833578125
• The cube root of 18402151390792 is 26401.1513266217

Scales and comparisons

• 18,402,151,390,792 seconds is equal to 585,131 years, 25 weeks, 4 days, 7 hours, 39 minutes, 52 seconds.
• To count from 1 to 18,402,151,390,792 would take you about one million, four hundred sixty-two thousand, eight hundred twenty-eight 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 18402151390792 cubic inches would be around 2200.1 feet tall.

Recreational maths with 18402151390792

• 18402151390792 backwards is 29709315120481
• 18402151390792 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18402151390792's digits is 52
• More coming soon!