6815991618240

Names of 6815991618240

• Cardinal: 6815991618240 can be written as Six trillion, eight hundred fifteen billion, nine hundred ninety-one million, six hundred eighteen thousand, two hundred forty.

Scientific notation

• Scientific notation: 6.81599161824 × 10¹²

Factors of 6815991618240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1089493

Divisors of 6815991618240

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 28 30 32 35 38 40 42 48 49 56 57 60 64 70 76 80 84 95 96 98 105 112 114 120 133 140 147 152 160 168 190 192 196 210 224 228 240 245 266 280 285 294 304 320 336 343 380 392 399 420 448 456 480 490 532 560 570 588 608 665 672 686 735 760 784 798 840 912 931 960 980 1029 1064 1120 1140 1176 1216 1330 1344 1372 1470 1520 1568 1596 1680 1715 1824 1862 1960 1995 2058 2128 2240 2280 2352 2660 2744 2793 2940 3040 3136 3192 3360 3430 3648 3724 3920 3990 4116 4256 4560 4655 4704 5145 5320 5488 5586 5880 6080 6384 6517 6720 6860 7448 7840 7980 8232 8512 9120 9310 9408 10290 10640 10976 11172 11760 12768 13034 13720 13965 14896 15680 15960 16464 18240 18620 19551 20580 21280 21952 22344 23520 25536 26068 27440 27930 29792 31920 32585 32928 37240 39102 41160 42560 44688 47040 52136 54880 55860 59584 63840 65170 65856 74480 78204 82320 89376 97755 104272 109760 111720 127680 130340 148960 156408 164640 178752 195510 208544 223440 260680 297920 312816 329280 391020 417088 446880 521360 625632 782040 893760 1042720 1089457 1251264 1564080 2085440 2178914 3128160 3268371 4357828 5447285 6256320 6536742 7626199 8715656 10894570 13073484 15252398 16341855 17431312 20699683 21789140 22878597 26146968 30504796 32683710 34862624 38130995 41399366 43578280 45757194 52293936 53383393 61009592 62099049 65367420 69725248 76261990 82798732 87156560 91514388 103498415 104587872 106766786 114392985 122019184 124198098 130734840 144897781 152523980 160150179 165597464 174313120 183028776 206996830 209175744 213533572 228785970 244038368 248396196 261469680 266916965 289795562 305047960 310495245 320300358 331194928 348626240 366057552 373683751 413993660 427067144 434693343 457571940 488076736 496792392 522939360 533833930 579591124 610095920 620990490 640600716 662389856 724488905 732115104 747367502 800750895 827987320 854134288 869386686 915143880 993584784 1014284467 1045878720 1067667860 1121051253 1159182248 1220191840 1241980980 1281201432 1324779712 1448977810 1464230208 1494735004 1601501790 1655974640 1708268576 1738773372 1830287760 1868418755 1987169568 2028568934 2135335720 2173466715 2242102506 2318364496 2440383680 2483961960 2562402864 2897955620 2989470008 3042853401 3203003580 3311949280 3416537152 3477546744 3660575520 3736837510 3974339136 4057137868 4270671440 4346933430 4484205012 4636728992 4967923920 5071422335 5124805728 5605256265 5795911240 5978940016 6085706802 6406007160 6623898560 6955093488 7099991269 7321151040 7473675020 8114275736 8541342880 8693866860 8968410024 9273457984 9935847840 10142844670 10249611456 11210512530 11591822480 11957880032 12171413604 12812014320 13910186976 14199982538 14947350040 15214267005 16228551472 17082685760 17387733720 17936820048 19871695680 20285689340 21299973807 22421025060 23183644960 23915760064 24342827208 25624028640 27820373952 28399965076 29894700080 30428534010 32457102944 34775467440 35499956345 35873640096 40571378680 42599947614 44842050120 46367289920 48685654416 51248057280 56799930152 59789400160 60857068020 64914205888 69550934880 70999912690 71747280192 81142757360 85199895228 89684100240 97371308832 106499869035 113599860304 119578800320 121714136040 139101869760 141999825380 162285514720 170399790456 179368200480 194742617664 212999738070 227199720608 243428272080 283999650760 324571029440 340799580912 358736400960 425999476140 454399441216 486856544160 567999301520 681599161824 851998952280 973713088320 1135998603040 1363198323648 1703997904560 2271997206080 3407995809120 6815991618240
• Sum of all divisors σ(n): 26565343872000
• Sum of proper divisors (its aliquot sum) s(n): 19749352253760
• 6815991618240 is an abundant number, because the sum of its proper divisors (19749352253760) is greater than itself. Its abundance is 12933360635520

Bases of 6815991618240

• Binary: 1100011001011111000110000100101101011000000₂
• Hexadecimal: 0x632F8C25AC0
• Base-36: 2EZ81FBUO

Squares and roots of 6815991618240

• 6815991618240 squared (6815991618240²) is 46457741739917933900697600
• 6815991618240 cubed (6815991618240³) is 316655578301639231492613190088884224000
• The square root of 6815991618240 is 2610745.4142907155
• The cube root of 6815991618240 is 18960.2044424181

Scales and comparisons

• 6,815,991,618,240 seconds is equal to 216,727 years, 23 weeks, 2 days, 21 hours, 4 minutes.
• To count from 1 to 6,815,991,618,240 would take you about five hundred forty-one thousand, eight hundred eighteen 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 6815991618240 cubic inches would be around 1580 feet tall.

Recreational maths with 6815991618240

• 6815991618240 backwards is 0428161995186
• 6815991618240 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 6815991618240's digits is 60
• More coming soon!