18345479840940

Names of 18345479840940

• Cardinal: 18345479840940 can be written as Eighteen trillion, three hundred forty-five billion, four hundred seventy-nine million, eight hundred forty thousand, nine hundred forty.

Scientific notation

• Scientific notation: 1.834547984094 × 10¹³

Factors of 18345479840940

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 48390

Divisors of 18345479840940

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 60 70 84 105 140 210 420 683 1366 1381 2049 2732 2762 3415 4098 4143 4781 5524 6830 6905 8196 8286 9562 9667 10245 13660 13810 14343 16572 19124 19334 20490 20715 23905 27620 28686 29001 38668 40980 41430 46309 47810 48335 57372 58002 71715 82860 92618 95620 96670 116004 138927 143430 145005 185236 193340 231545 277854 286860 290010 324163 463090 555708 580020 648326 694635 926180 943223 972489 1296652 1389270 1620815 1886446 1944978 2778540 2829669 3241630 3772892 3889956 4716115 4862445 5659338 6483260 6602561 9432230 9724890 11318676 13205122 14148345 18864460 19449780 19807683 26410244 28296690 31629047 33012805 39615366 56593380 63258094 63952729 66025610 79230732 94887141 99038415 126516188 127905458 132051220 158145235 189774282 191858187 198076830 221403329 255810916 316290470 319763645 379548564 383716374 396153660 442806658 447669103 474435705 632580940 639527290 664209987 767432748 885613316 895338206 948871410 959290935 1107016645 1279054580 1328419974 1343007309 1790676412 1897742820 1918581870 2214033290 2238345515 2656839948 2686014618 3321049935 3837163740 4428066580 4476691030 5372029236 6642099870 6715036545 8953382060 13284199740 13430073090 26860146180 43679713907 87359427814 131039141721 174718855628 218398569535 262078283442 305757997349 436797139070 524156566884 611515994698 655195708605 873594278140 917273992047 1223031989396 1310391417210 1528789986745 1834547984094 2620782834420 3057579973490 3669095968188 4586369960235 6115159946980 9172739920470 18345479840940
• Sum of all divisors σ(n): 58835330104320
• Sum of proper divisors (its aliquot sum) s(n): 40489850263380
• 18345479840940 is an abundant number, because the sum of its proper divisors (40489850263380) is greater than itself. Its abundance is 22144370422440

Bases of 18345479840940

• Binary: 100001010111101100011110011110010010010101100₂
• Hexadecimal: 0x10AF63CF24AC
• Base-36: 6I3SP148C

Squares and roots of 18345479840940

• 18345479840940 squared (18345479840940²) is 336556630594335927700083600
• 18345479840940 cubed (18345479840940³) is 6174292881903080212568257022152702584000
• The square root of 18345479840940 is 4283162.3645316085
• The cube root of 18345479840940 is 26374.0216599897

Scales and comparisons

• 18,345,479,840,940 seconds is equal to 583,329 years, 26 weeks, 4 days, 14 hours, 29 minutes.
• To count from 1 to 18,345,479,840,940 would take you about one million, four hundred fifty-eight thousand, three hundred twenty-three 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 18345479840940 cubic inches would be around 2197.8 feet tall.

Recreational maths with 18345479840940

• 18345479840940 backwards is 04904897454381
• The number of decimal digits it has is: 14
• The sum of 18345479840940's digits is 66
• More coming soon!