18158118717972480

Names of 18158118717972480

• Cardinal: 18158118717972480 can be written as Eighteen quadrillion, one hundred fifty-eight trillion, one hundred eighteen billion, seven hundred seventeen million, nine hundred seventy-two thousand, four hundred eighty.

Scientific notation

• Scientific notation: 1.815811871797248 × 10¹⁶

Factors of 18158118717972480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 11367011440

Divisors of 18158118717972480

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 64 65 78 80 96 104 120 128 130 156 160 192 195 208 240 256 260 312 320 384 390 416 480 512 520 624 640 768 780 832 960 1024 1040 1248 1280 1536 1560 1664 1920 2048 2080 2496 2560 3072 3120 3328 3840 4096 4160 4992 5120 6144 6240 6656 7680 8192 8320 9984 10240 12288 12480 13312 15360 16640 19968 20480 24576 24960 26624 30720 33280 39936 40960 49920 53248 61440 66560 79872 99840 106496 122880 133120 159744 199680 266240 319488 399360 532480 798720 1597440 11367011417 22734022834 34101034251 45468045668 56835057085 68202068502 90936091336 113670114170 136404137004 147771148421 170505171255 181872182672 227340228340 272808274008 295542296842 341010342510 363744365344 443313445263 454680456680 545616548016 591084593684 682020685020 727488730688 738855742105 886626890526 909360913360 1091233096032 1182169187368 1364041370040 1454977461376 1477711484210 1773253781052 1818721826720 2182466192064 2216567226315 2364338374736 2728082740080 2909954922752 2955422968420 3546507562104 3637443653440 4364932384128 4433134452630 4728676749472 5456165480160 5819909845504 5910845936840 7093015124208 7274887306880 8729864768256 8866268905260 9457353498944 10912330960320 11639819691008 11821691873680 14186030248416 14549774613760 17459729536512 17732537810520 18914706997888 21824661920640 23279639382016 23643383747360 28372060496832 29099549227520 34919459073024 35465075621040 37829413995776 43649323841280 46559278764032 47286767494720 56744120993664 58199098455040 69838918146048 70930151242080 75658827991552 87298647682560 93118557528064 94573534989440 113488241987328 116398196910080 139677836292096 141860302484160 151317655983104 174597295365120 189147069978880 226976483974656 232796393820160 279355672584192 283720604968320 302635311966208 349194590730240 378294139957760 453952967949312 465592787640320 567441209936640 605270623932416 698389181460480 756588279915520 907905935898624 1134882419873280 1210541247864832 1396778362920960 1513176559831040 1815811871797248 2269764839746560 3026353119662080 3631623743594496 4539529679493120 6052706239324160 9079059358986240 18158118717972480
• Sum of all divisors σ(n): 62571851348527584
• Sum of proper divisors (its aliquot sum) s(n): 44413732630555104
• 18158118717972480 is an abundant number, because the sum of its proper divisors (44413732630555104) is greater than itself. Its abundance is 26255613912582624

Bases of 18158118717972480

• Binary: 1000000100000101011011001110111111110010110000000000000₂
• Hexadecimal: 0x4082B677F96000
• Base-36: 4YSIKKVY5MO

Squares and roots of 18158118717972480

• 18158118717972480 squared (18158118717972480²) is 329717275375982540669762037350400
• 18158118717972480 cubed (18158118717972480³) is 5987045429643515239958455267498881513519316992000
• The square root of 18158118717972480 is 134752063.8727751731
• The cube root of 18158118717972480 is 262839.2890062155

Scales and comparisons

• 18,158,118,717,972,480 seconds is equal to 577,372,008 years, 25 weeks, 15 hours, 28 minutes.
• To count from 1 to 18,158,118,717,972,480 would take you about one billion, seven hundred thirty-two million, one hundred sixteen thousand and twenty-five 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 18158118717972480 cubic inches would be around 21903.3 feet tall.

Recreational maths with 18158118717972480

• 18158118717972480 backwards is 08427971781185181
• 18158118717972480 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18158118717972480's digits is 78
• More coming soon!