18631399243420

Names of 18631399243420

• Cardinal: 18631399243420 can be written as Eighteen trillion, six hundred thirty-one billion, three hundred ninety-nine million, two hundred forty-three thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.863139924342 × 10¹³

Factors of 18631399243420

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 201

Divisors of 18631399243420

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 10 19 20 31 38 47 62 76 94 95 97 124 155 188 190 194 235 310 361 380 388 470 485 589 620 722 893 940 961 970 1178 1444 1457 1786 1805 1843 1922 1940 2356 2914 2945 3007 3572 3610 3686 3844 4465 4559 4805 5828 5890 6014 6859 7220 7285 7372 8930 9118 9215 9610 11191 11780 12028 13718 14570 15035 16967 17860 18236 18259 18430 19220 22382 22795 27436 27683 29140 29791 30070 33934 34295 35017 36518 36860 44764 45167 45590 55366 55955 57133 59582 60140 67868 68590 70034 73036 84835 86621 90334 91180 91295 93217 110732 111910 114266 119164 137180 138415 140068 141329 148955 169670 173242 175085 180668 182590 186434 212629 223820 225835 228532 276830 282658 285665 297910 322373 339340 346484 346921 350170 365180 372868 425258 433105 451670 466085 525977 553660 565316 566029 571330 595820 644746 665323 693842 700340 706645 850516 858173 866210 903340 932170 1051954 1063145 1085527 1132058 1142660 1289492 1330646 1387684 1400177 1413290 1611865 1645799 1716346 1732420 1734605 1771123 1864340 2103908 2126290 2171054 2264116 2629885 2661292 2685251 2800354 2826580 2830145 2889727 3223730 3291598 3326615 3432692 3469210 3542246 4252580 4290865 4342108 4381199 5259770 5370502 5427635 5600708 5660290 5779454 6447460 6583196 6591499 6653230 6938420 7000885 7084492 8228995 8581730 8762398 8855615 9993563 10519540 10741004 10754551 10855270 11320580 11558908 13182998 13306460 13426255 14001770 14448635 16305287 16457990 17163460 17524796 17711230 19987126 20625013 21509102 21710540 21905995 26365996 26603363 26852510 28003540 28897270 31270181 32610574 32915980 32957495 33651337 35422460 39974252 41250026 43018204 43811990 49967815 51019769 53206726 53705020 53772755 54904813 57794540 62540362 65221148 65914990 67302674 81526435 82500052 83242781 87623980 99935630 102039538 103125065 106413452 107545510 109809626 125080724 131829980 133016815 134605348 135817169 156350905 163052870 166485562 168256685 199871260 204079076 204336469 206250130 215091020 219619252 255098845 266033630 271634338 274524065 309800453 312701810 326105740 332971124 336513370 408672938 412500260 416213905 505463897 510197690 532067260 543268676 549048130 619600906 625403620 639375403 673026740 679085845 817345876 832427810 969375611 1010927794 1020395380 1021682345 1043191447 1098096260 1239201812 1278750806 1358171690 1549002265 1581612839 1664855620 1938751222 2021855588 2043364690 2086382894 2527319485 2557501612 2580526211 2716343380 3098004530 3163225678 3196877015 3877502444 4086729380 4172765788 4846878055 5054638970 5161052422 5215957235 6196009060 6326451356 6393754030 7908064195 9603814043 9693756110 10109277940 10322104844 10431914470 12787508060 12902631055 15816128390 19207628086 19387512220 19820637493 20863828940 25805262110 30050643941 31632256780 38415256172 39641274986 48019070215 49029998009 51610524220 60101287882 79282549972 96038140430 98059996018 99103187465 120202575764 150253219705 192076280860 196119992036 198206374930 245149990045 300506439410 396412749860 490299980090 601012878820 931569962171 980599960180 1863139924342 3726279848684 4657849810855 9315699621710 18631399243420
• Sum of all divisors σ(n): 44033197178880
• Sum of proper divisors (its aliquot sum) s(n): 25401797935460
• 18631399243420 is an abundant number, because the sum of its proper divisors (25401797935460) is greater than itself. Its abundance is 6770398692040

Bases of 18631399243420

• Binary: 100001111000111110101111011101111111010011100₂
• Hexadecimal: 0x10F1F5EEFE9C
• Base-36: 6LR5A274S

Squares and roots of 18631399243420

• 18631399243420 squared (18631399243420²) is 347129037767711348413296400
• 18631399243420 cubed (18631399243420³) is 6467499691634449822532438564428209688000
• The square root of 18631399243420 is 4316410.4581723923
• The cube root of 18631399243420 is 26510.3314378061

Scales and comparisons

• 18,631,399,243,420 seconds is equal to 592,420 years, 44 weeks, 6 days, 22 hours, 43 minutes, 40 seconds.
• To count from 1 to 18,631,399,243,420 would take you about one million, four hundred eighty-one thousand and fifty-two 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 18631399243420 cubic inches would be around 2209.2 feet tall.

Recreational maths with 18631399243420

• 18631399243420 backwards is 02434299313681
• The number of decimal digits it has is: 14
• The sum of 18631399243420's digits is 55
• More coming soon!