18643873922240

Names of 18643873922240

• Cardinal: 18643873922240 can be written as Eighteen trillion, six hundred forty-three billion, eight hundred seventy-three million, nine hundred twenty-two thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.864387392224 × 10¹³

Factors of 18643873922240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 797425

Divisors of 18643873922240

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 53 56 64 70 80 106 112 140 160 197 212 224 265 280 320 371 394 424 448 530 560 742 788 848 985 1060 1120 1379 1484 1576 1696 1855 1970 2120 2240 2758 2968 3152 3392 3710 3940 4240 5516 5936 6304 6895 7420 7880 8480 10441 11032 11872 12608 13790 14840 15760 16960 20882 22064 23744 27580 29680 31520 41764 44128 52205 55160 59360 63040 73087 83528 88256 104410 110320 118720 146174 167056 208820 220640 292348 334112 365435 417640 441280 584696 668224 730870 797161 835280 1169392 1461740 1594322 1670560 2338784 2923480 3188644 3341120 3985805 4677568 5580127 5846960 6377288 7971610 11160254 11693920 12754576 15943220 22320508 23387840 25509152 27900635 31886440 42249533 44641016 51018304 55801270 63772880 84499066 89282032 111602540 127545760 157040717 168998132 178564064 211247665 223205080 255091520 295746731 314081434 337996264 357128128 422495330 446410160 591493462 628162868 675992528 785203585 844990660 892820320 1099285019 1182986924 1256325736 1351985056 1478733655 1570407170 1689981320 1785640640 2198570038 2365973848 2512651472 2703970112 2957467310 3140814340 3379962640 4397140076 4731947696 5025302944 5496425095 5914934620 6281628680 6759925280 8323158001 8794280152 9463895392 10050605888 10992850190 11829869240 12563257360 13519850560 16646316002 17588560304 18927790784 21985700380 23659738480 25126514720 33292632004 35177120608 41615790005 43971400760 47319476960 50253029440 58262106007 66585264008 70354241216 83231580010 87942801520 94638953920 116524212014 133170528016 166463160020 175885603040 233048424028 266341056032 291310530035 332926320040 351771206080 466096848056 532682112064 582621060070 665852640080 932193696112 1165242120140 1331705280160 1864387392224 2330484240280 2663410560320 3728774784448 4660968480560 9321936961120 18643873922240
• Sum of all divisors σ(n): 51957769209984
• Sum of proper divisors (its aliquot sum) s(n): 33313895287744
• 18643873922240 is an abundant number, because the sum of its proper divisors (33313895287744) is greater than itself. Its abundance is 14670021365504

Bases of 18643873922240

• Binary: 100001111010011011101011110110111110011000000₂
• Hexadecimal: 0x10F4DD7B7CC0
• Base-36: 6LWVL5UWW

Squares and roots of 18643873922240

• 18643873922240 squared (18643873922240²) is 347594034828380721566617600
• 18643873922240 cubed (18643873922240³) is 6480499361463029648662216231562215424000
• The square root of 18643873922240 is 4317855.2456329519
• The cube root of 18643873922240 is 26516.2467940029

Scales and comparisons

• 18,643,873,922,240 seconds is equal to 592,817 years, 27 weeks, 19 hours, 17 minutes, 20 seconds.
• To count from 1 to 18,643,873,922,240 would take you about one million, four hundred eighty-two thousand and forty-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 18643873922240 cubic inches would be around 2209.7 feet tall.

Recreational maths with 18643873922240

• 18643873922240 backwards is 04222937834681
• The number of decimal digits it has is: 14
• The sum of 18643873922240's digits is 59
• More coming soon!