18274159872

Names of 18274159872

• Cardinal: 18274159872 can be written as Eighteen billion, two hundred seventy-four million, one hundred fifty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.8274159872 × 10¹⁰

Factors of 18274159872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 15485

Divisors of 18274159872

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 64 72 76 81 96 108 114 128 144 152 162 171 192 216 228 243 256 288 304 324 342 384 432 456 486 513 576 608 648 684 768 864 912 972 1026 1152 1216 1296 1368 1539 1728 1824 1944 2052 2304 2432 2592 2736 3078 3456 3648 3888 4104 4617 4864 5184 5472 6156 6912 7296 7776 8208 9234 10368 10944 12312 14592 15461 15552 16416 18468 20736 21888 24624 30922 31104 32832 36936 43776 46383 49248 61844 62208 65664 73872 92766 98496 123688 131328 139149 147744 185532 196992 247376 278298 293759 295488 371064 393984 417447 494752 556596 587518 590976 742128 834894 881277 989504 1113192 1175036 1181952 1252341 1484256 1669788 1762554 1979008 2226384 2350072 2504682 2643831 2968512 3339576 3525108 3757023 3958016 4452768 4700144 5009364 5287662 5937024 6679152 7050216 7514046 7931493 8905536 9400288 10018728 10575324 11874048 13358304 14100432 15028092 15862986 17811072 18800576 20037456 21150648 23794479 26716608 28200864 30056184 31725972 35622144 37601152 40074912 42301296 47588958 53433216 56401728 60112368 63451944 71383437 75202304 80149824 84602592 95177916 106866432 112803456 120224736 126903888 142766874 160299648 169205184 190355832 225606912 240449472 253807776 285533748 320599296 338410368 380711664 480898944 507615552 571067496 676820736 761423328 961797888 1015231104 1142134992 1522846656 2030462208 2284269984 3045693312 4568539968 6091386624 9137079936 18274159872
• Sum of all divisors σ(n): 57519876960
• Sum of proper divisors (its aliquot sum) s(n): 39245717088
• 18274159872 is an abundant number, because the sum of its proper divisors (39245717088) is greater than itself. Its abundance is 20971557216

Bases of 18274159872

• Binary: 10001000001001110011000110100000000₂
• Hexadecimal: 0x441398D00
• Base-36: 8E7YO00

Squares and roots of 18274159872

• 18274159872 squared (18274159872²) is 333944919027415056384
• 18274159872 cubed (18274159872³) is 6102562838749077491261110222848
• The square root of 18274159872 is 135181.9509845897
• The cube root of 18274159872 is 2633.9800020275

Scales and comparisons

• 18,274,159,872 seconds is equal to 581 years, 3 weeks, 1 day, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,274,159,872 would take you about one thousand, one hundred sixty-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 18274159872 cubic inches would be around 219.5 feet tall.

Recreational maths with 18274159872

• 18274159872 backwards is 27895147281
• 18274159872 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18274159872's digits is 54
• More coming soon!