28742399915308800

Names of 28742399915308800

• Cardinal: 28742399915308800 can be written as Twenty-eight quadrillion, seven hundred forty-two trillion, three hundred ninety-nine billion, nine hundred fifteen million, three hundred eight thousand, eight hundred.

Scientific notation

• Scientific notation: 2.87423999153088 × 10¹⁶

Factors of 28742399915308800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 213857142244

Divisors of 28742399915308800

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 25 28 30 32 35 40 42 48 50 56 60 64 70 75 80 84 96 100 105 112 120 128 140 150 160 168 175 192 200 210 224 240 256 280 300 320 336 350 384 400 420 448 480 525 560 600 640 672 700 768 800 840 896 960 1050 1120 1200 1280 1344 1400 1600 1680 1792 1920 2100 2240 2400 2688 2800 3200 3360 3840 4200 4480 4800 5376 5600 6400 6720 8400 8960 9600 11200 13440 16800 19200 22400 26880 33600 44800 67200 134400 213857142227 427714284454 641571426681 855428568908 1069285711135 1283142853362 1496999995589 1710857137816 2138571422270 2566285706724 2993999991178 3207857133405 3421714275632 4277142844540 4490999986767 5132571413448 5346428555675 5987999982356 6415714266810 6843428551264 7484999977945 8554285689080 8981999973534 10265142826896 10692857111350 11975999964712 12831428533620 13686857102528 14969999955890 16039285667025 17108571378160 17963999947068 20530285653792 21385714222700 22454999933835 23951999929424 25662857067240 27373714205056 29939999911780 32078571334050 34217142756320 35927999894136 37424999889725 41060571307584 42771428445400 44909999867670 47903999858848 51325714134480 54747428410112 59879999823560 64157142668100 68434285512640 71855999788272 74849999779450 82121142615168 85542856890800 89819999735340 95807999717696 102651428268960 112274999669175 119759999647120 128314285336200 136868571025280 143711999576544 149699999558900 164242285230336 171085713781600 179639999470680 191615999435392 205302856537920 224549999338350 239519999294240 256628570672400 273737142050560 287423999153088 299399999117800 342171427563200 359279998941360 383231998870784 410605713075840 449099998676700 479039998588480 513257141344800 574847998306176 598799998235600 684342855126400 718559997882720 821211426151680 898199997353400 958079997176960 1026514282689600 1149695996612352 1197599996471200 1368685710252800 1437119995765440 1796399994706800 1916159994353920 2053028565379200 2395199992942400 2874239991530880 3592799989413600 4106057130758400 4790399985884800 5748479983061760 7185599978827200 9580799971769600 14371199957654400 28742399915308800
• Sum of all divisors σ(n): 108406751681079936
• Sum of proper divisors (its aliquot sum) s(n): 79664351765771136
• 28742399915308800 is an abundant number, because the sum of its proper divisors (79664351765771136) is greater than itself. Its abundance is 50921951850462336

Bases of 28742399915308800

• Binary: 1100110000111010000111101111000111100011011011100000000₂
• Hexadecimal: 0x661D0F78F1B700
• Base-36: 7V0BW8ISTMO

Squares and roots of 28742399915308800

• 28742399915308800 squared (28742399915308800²) is 826125552891543313412599357440000
• 28742399915308800 cubed (28742399915308800³) is 23744831021464330106382022706394321299177472000000
• The square root of 28742399915308800 is 169535836.6697401237
• The cube root of 28742399915308800 is 306319.2870902271

Scales and comparisons

• 28,742,399,915,308,800 seconds is equal to 913,919,411 years, 11 weeks, 5 days, 10 hours, 40 minutes.
• To count from 1 to 28,742,399,915,308,800 would take you about two billion, seven hundred forty-one million, seven hundred fifty-eight thousand, two hundred thirty-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 28742399915308800 cubic inches would be around 25526.6 feet tall.

Recreational maths with 28742399915308800

• 28742399915308800 backwards is 00880351999324782
• The number of decimal digits it has is: 17
• The sum of 28742399915308800's digits is 78
• More coming soon!