18711985985712

Names of 18711985985712

• Cardinal: 18711985985712 can be written as Eighteen trillion, seven hundred eleven billion, nine hundred eighty-five million, nine hundred eighty-five thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 1.8711985985712 × 10¹³

Factors of 18711985985712

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 10629

Divisors of 18711985985712

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 36 43 48 62 72 86 93 124 129 144 172 186 248 258 279 307 344 372 387 496 516 558 614 688 744 774 921 961 1032 1116 1228 1333 1488 1548 1842 1922 2064 2232 2456 2666 2763 2883 3096 3684 3844 3999 4464 4912 5332 5526 5766 6192 7368 7688 7998 8649 9517 10243 10664 11052 11532 11997 13201 14736 15376 15996 17298 19034 20486 21328 22104 23064 23994 26402 28551 30729 31992 34596 38068 39603 40972 41323 44208 46128 47988 52804 57102 61458 63984 69192 76136 79206 81944 82646 85653 92187 95976 105608 114204 118809 122916 123969 138384 152272 158412 163888 165292 171306 184374 191952 211216 228408 237618 245832 247938 295027 316824 317533 330584 342612 368748 371907 409231 440449 456816 475236 491664 495876 590054 633648 635066 661168 685224 737496 743814 818462 880898 885081 950472 952599 991752 1180108 1227693 1270132 1321347 1370448 1474992 1487628 1636924 1761796 1770162 1900944 1905198 1983504 2360216 2455386 2540264 2642694 2655243 2857797 2975256 3144601 3273848 3523592 3540324 3683079 3810396 3964041 4720432 4910772 5080528 5285388 5310486 5715594 5950512 6289202 6547696 7047184 7080648 7366158 7620792 7928082 9433803 9821544 9843523 10570776 10620972 11431188 12578404 12686161 13653919 14161296 14732316 15241584 15856164 18867606 19643088 19687046 21141552 21241944 22862376 25156808 25372322 27307838 28301409 29464632 29530569 31712328 37735212 38058483 39374092 40961757 42483888 45724752 50313616 50744644 54615676 56602818 58929264 59061138 63424656 75470424 76116966 78748184 81923514 88591707 97482631 101489288 109231352 113205636 114175449 118122276 122885271 135217843 150940848 152233932 157496368 163847028 177183414 194965262 202978576 218462704 226411272 228350898 236244552 245770542 270435686 292447893 304467864 327694056 354366828 389930524 405653529 423271489 452822544 456701796 472489104 491541084 540871372 584895786 608935728 655388112 708733656 779861048 811307058 846542978 877343679 913403592 983082168 1081742744 1169791572 1216960587 1269814467 1417467312 1559722096 1622614116 1693085956 1754687358 1826807184 1966164336 2163485488 2339583144 2433921174 2539628934 3021961561 3245228232 3386171912 3509374716 3809443401 4191753133 4679166288 4867842348 5079257868 6043923122 6490456464 6772343824 7018749432 7618886802 8383506266 9065884683 9735684696 10158515736 12087846244 12575259399 14037498864 15237773604 16767012532 18131769366 19471369392 20317031472 24175692488 25150518798 27197654049 30475547208 33534025064 36263538732 37725778197 48351384976 50301037596 54395308098 60951094416 67068050128 72527077464 75451556394 100602075192 108790616196 129944347123 145054154928 150903112788 201204150384 217581232392 259888694246 301806225576 389833041369 435162464784 519777388492 603612451152 779666082738 1039554776984 1169499124107 1559332165476 2079109553968 2338998248214 3118664330952 4677996496428 6237328661904 9355992992856 18711985985712
• Sum of all divisors σ(n): 55555525177152
• Sum of proper divisors (its aliquot sum) s(n): 36843539191440
• 18711985985712 is an abundant number, because the sum of its proper divisors (36843539191440) is greater than itself. Its abundance is 18131553205728

Bases of 18711985985712

• Binary: 100010000010010111001010001110001100010110000₂
• Hexadecimal: 0x1104B94718B0
• Base-36: 6MS61BRG0

Squares and roots of 18711985985712

• 18711985985712 squared (18711985985712²) is 350138419529482288268146944
• 18711985985712 cubed (18711985985712³) is 6551785199295021427084286927295500464128
• The square root of 18711985985712 is 4325735.3115640351
• The cube root of 18711985985712 is 26548.4983413103

Scales and comparisons

• 18,711,985,985,712 seconds is equal to 594,983 years, 14 weeks, 1 day, 20 hours, 55 minutes, 12 seconds.
• To count from 1 to 18,711,985,985,712 would take you about one million, four hundred eighty-seven thousand, four hundred fifty-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 18711985985712 cubic inches would be around 2212.4 feet tall.

Recreational maths with 18711985985712

• 18711985985712 backwards is 21758958911781
• 18711985985712 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18711985985712's digits is 72
• More coming soon!