18007815744

Names of 18007815744

• Cardinal: 18007815744 can be written as Eighteen billion, seven million, eight hundred fifteen thousand, seven hundred forty-four.

Scientific notation

• Scientific notation: 1.8007815744 × 10¹⁰

Factors of 18007815744

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 250

Divisors of 18007815744

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 32 36 38 48 57 59 64 72 76 96 114 118 144 152 167 171 177 192 228 236 288 304 334 342 354 456 472 501 531 576 608 668 684 708 912 944 1002 1062 1121 1216 1336 1368 1416 1503 1824 1888 2004 2124 2242 2672 2736 2832 3006 3173 3363 3648 3776 4008 4248 4484 5344 5472 5664 6012 6346 6726 8016 8496 8968 9519 9853 10089 10688 10944 11328 12024 12692 13452 16032 16992 17936 19038 19706 20178 24048 25384 26904 27889 28557 29559 32064 33984 35872 38076 39412 40356 48096 50768 53808 55778 57114 59118 71744 76152 78824 80712 83667 88677 96192 101536 107616 111556 114228 118236 152304 157648 161424 167334 177354 187207 203072 215232 223112 228456 236472 251001 304608 315296 322848 334668 354708 374414 446224 456912 472944 502002 529891 561621 609216 630592 645696 669336 709416 748828 892448 913824 945888 1004004 1059782 1123242 1338672 1418832 1497656 1589673 1645451 1684863 1784896 1827648 1891776 2008008 2119564 2246484 2677344 2837664 2995312 3179346 3290902 3369726 4016016 4239128 4492968 4769019 4936353 5354688 5675328 5990624 6358692 6581804 6739452 8032032 8478256 8985936 9538038 9872706 11981248 12717384 13163608 13478904 14809059 16064064 16956512 17971872 19076076 19745412 25434768 26327216 26957808 29618118 31263569 33913024 35943744 38152152 39490824 50869536 52654432 53915616 59236236 62527138 76304304 78981648 93790707 101739072 105308864 107831232 118472472 125054276 152608608 157963296 187581414 236944944 250108552 281372121 305217216 315926592 375162828 473889888 500217104 562744242 750325656 947779776 1000434208 1125488484 1500651312 2000868416 2250976968 3001302624 4501953936 6002605248 9003907872 18007815744
• Sum of all divisors σ(n): 55586528400
• Sum of proper divisors (its aliquot sum) s(n): 37578712656
• 18007815744 is an abundant number, because the sum of its proper divisors (37578712656) is greater than itself. Its abundance is 19570896912

Bases of 18007815744

• Binary: 10000110001010110010111011001000000₂
• Hexadecimal: 0x431597640
• Base-36: 89TDZK0

Squares and roots of 18007815744

• 18007815744 squared (18007815744²) is 324281427869854273536
• 18007815744 cubed (18007815744³) is 5839600202281562169967263350784
• The square root of 18007815744 is 134193.2030469501
• The cube root of 18007815744 is 2621.1206549477

Scales and comparisons

• 18,007,815,744 seconds is equal to 572 years, 30 weeks, 5 days, 19 hours, 2 minutes, 24 seconds.
• To count from 1 to 18,007,815,744 would take you about one thousand, one hundred forty-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 18007815744 cubic inches would be around 218.4 feet tall.

Recreational maths with 18007815744

• 18007815744 backwards is 44751870081
• The number of decimal digits it has is: 11
• The sum of 18007815744's digits is 45
• More coming soon!