81338176196251200

Names of 81338176196251200

• Cardinal: 81338176196251200 can be written as Eighty-one quadrillion, three hundred thirty-eight trillion, one hundred seventy-six billion, one hundred ninety-six million, two hundred fifty-one thousand, two hundred.

Scientific notation

• Scientific notation: 8.13381761962512 × 10¹⁶

Factors of 81338176196251200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1882828152701

Divisors of 81338176196251200

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 27 30 32 36 40 45 48 50 54 60 64 72 75 80 90 96 100 108 120 135 144 150 160 180 192 200 216 225 240 270 288 300 320 360 400 432 450 480 540 576 600 675 720 800 864 900 960 1080 1200 1350 1440 1600 1728 1800 2160 2400 2700 2880 3600 4320 4800 5400 7200 8640 10800 14400 21600 43200 1882828152691 3765656305382 5648484458073 7531312610764 9414140763455 11296968916146 15062625221528 16945453374219 18828281526910 22593937832292 28242422290365 30125250443056 33890906748438 37656563053820 45187875664584 47070703817275 50836360122657 56484844580730 60250500886112 67781813496876 75313126107640 84727266871095 90375751329168 94141407634550 101672720245314 112969689161460 120501001772224 135563626993752 141212111451825 150626252215280 169454533742190 180751502658336 188282815269100 203345440490628 225939378322920 254181800613285 271127253987504 282424222903650 301252504430560 338909067484380 361503005316672 376565630538200 406690880981256 423636334355475 451878756645840 508363601226570 542254507975008 564848445807300 602505008861120 677818134968760 753131261076400 813381761962512 847272668710950 903757513291680 1016727202453140 1084509015950016 1129696891614600 1270909003066425 1355636269937520 1506262522152800 1626763523925024 1694545337421900 1807515026583360 2033454404906280 2259393783229200 2541818006132850 2711272539875040 3012525044305600 3253527047850048 3389090674843800 4066908809812560 4518787566458400 5083636012265700 5422545079750080 6778181349687600 8133817619625120 9037575132916800 10167272024531400 13556362699375200 16267635239250240 20334544049062800 27112725398750400 40669088098125600 81338176196251200
• Sum of all divisors σ(n): 296507777485936160
• Sum of proper divisors (its aliquot sum) s(n): 215169601289684960
• 81338176196251200 is an abundant number, because the sum of its proper divisors (215169601289684960) is greater than itself. Its abundance is 133831425093433760

Bases of 81338176196251200

• Binary: 100100000111110001010001111101010110110110000111001000000₂
• Hexadecimal: 0x120F8A3EADB0E40
• Base-36: M8VZ6APRTC0

Squares and roots of 81338176196251200

• 81338176196251200 squared (81338176196251200²) is 6615898906932405330136933501440000
• 81338176196251200 cubed (81338176196251200³) is 538125150988653704410188866166192337417801728000000
• The square root of 81338176196251200 is 285198485.6135305639
• The cube root of 81338176196251200 is 433276.1763731097

Scales and comparisons

• 81,338,176,196,251,200 seconds is equal to 2,586,302,407 years, 28 weeks, 1 day, 12 hours.
• To count from 1 to 81,338,176,196,251,200 would take you about seven billion, seven hundred fifty-eight million, nine hundred seven thousand, two hundred twenty-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 81338176196251200 cubic inches would be around 36106.3 feet tall.

Recreational maths with 81338176196251200

• 81338176196251200 backwards is 00215269167183318
• The number of decimal digits it has is: 17
• The sum of 81338176196251200's digits is 63
• More coming soon!