18520868982

Names of 18520868982

• Cardinal: 18520868982 can be written as Eighteen billion, five hundred twenty million, eight hundred sixty-eight thousand, nine hundred eighty-two.

Scientific notation

• Scientific notation: 1.8520868982 × 10¹⁰

Factors of 18520868982

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 4244

Divisors of 18520868982

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 11 14 19 21 22 33 38 42 49 57 66 73 77 98 114 133 146 147 154 209 219 231 266 294 399 418 438 462 511 539 627 798 803 931 1022 1078 1254 1387 1463 1533 1606 1617 1862 2409 2774 2793 2926 3066 3234 3577 4129 4161 4389 4818 5586 5621 7154 8258 8322 8778 9709 10241 10731 11242 12387 15257 16863 19418 20482 21462 24774 28903 29127 30514 30723 33726 39347 45419 45771 57806 58254 61446 67963 78451 78694 86709 90838 91542 106799 118041 135926 136257 156902 173418 202321 203889 213598 235353 236082 272514 301417 317933 320397 404642 407778 470706 549157 602834 606963 635866 640794 747593 862961 904251 953799 1098314 1213926 1495186 1647471 1725922 1808502 1907598 2109919 2225531 2242779 2588883 3294942 3315587 3844099 4219838 4451062 4485558 5177766 5726923 6040727 6329757 6631174 6676593 7688198 9946761 11453846 11532297 12081454 12659514 13353186 14769433 17180769 18122181 19893522 23064594 23209109 29538866 34361538 36244362 40088461 42285089 44308299 46418218 62996153 69627327 80176922 84570178 88616598 120265383 125992306 126855267 139254654 162463763 188988459 240530766 253710534 280619227 324927526 377976918 440973071 487391289 561238454 841857681 881946142 974782578 1322919213 1683715362 2645838426 3086811497 6173622994 9260434491 18520868982
• Sum of all divisors σ(n): 50170579200
• Sum of proper divisors (its aliquot sum) s(n): 31649710218
• 18520868982 is an abundant number, because the sum of its proper divisors (31649710218) is greater than itself. Its abundance is 13128841236

Bases of 18520868982

• Binary: 10001001111111011100000100001110110₂
• Hexadecimal: 0x44FEE0876
• Base-36: 8IAUHYU

Squares and roots of 18520868982

• 18520868982 squared (18520868982²) is 343022587848409716324
• 18520868982 cubed (18520868982³) is 6353076407406981633092590662168
• The square root of 18520868982 is 136091.3993682185
• The cube root of 18520868982 is 2645.7803490577

Scales and comparisons

• 18,520,868,982 seconds is equal to 588 years, 47 weeks, 21 hours, 49 minutes, 42 seconds.
• To count from 1 to 18,520,868,982 would take you about one thousand, one hundred seventy-seven 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 18520868982 cubic inches would be around 220.5 feet tall.

Recreational maths with 18520868982

• 18520868982 backwards is 28986802581
• 18520868982 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18520868982's digits is 57
• More coming soon!