18321081664

Names of 18321081664

• Cardinal: 18321081664 can be written as Eighteen billion, three hundred twenty-one million, eighty-one thousand, six hundred sixty-four.

Scientific notation

• Scientific notation: 1.8321081664 × 10¹⁰

Factors of 18321081664

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2270

Divisors of 18321081664

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 8 16 19 23 32 38 46 64 76 92 152 184 304 349 368 437 608 698 736 874 1216 1396 1472 1748 1877 2792 3496 3754 5584 6631 6992 7508 8027 11168 13262 13984 15016 16054 22336 26524 27968 30032 32108 35663 43171 53048 60064 64216 71326 86342 106096 120128 128432 142652 152513 172684 212192 256864 285304 305026 345368 424384 513728 570608 610052 655073 690736 820249 1141216 1220104 1310146 1381472 1640498 2282432 2440208 2620292 2762944 3280996 4880416 5240584 6561992 9760832 10481168 12446387 13123984 15066679 20962336 24892774 26247968 30133358 41924672 49785548 52495936 60266716 99571096 120533432 199142192 241066864 286266901 398284384 482133728 572533802 796568768 964267456 1145067604 2290135208 4580270416 9160540832 18321081664
• Sum of all divisors σ(n): 40069008000
• Sum of proper divisors (its aliquot sum) s(n): 21747926336
• 18321081664 is an abundant number, because the sum of its proper divisors (21747926336) is greater than itself. Its abundance is 3426844672

Bases of 18321081664

• Binary: 10001000100000001011000010101000000₂
• Hexadecimal: 0x444058540
• Base-36: 8EZWD34

Squares and roots of 18321081664

• 18321081664 squared (18321081664²) is 335662033338957008896
• 18321081664 cubed (18321081664³) is 6149691524307321952568790482944
• The square root of 18321081664 is 135355.3902288343
• The cube root of 18321081664 is 2636.2324618473

Scales and comparisons

• 18,321,081,664 seconds is equal to 582 years, 28 weeks, 5 days, 13 hours, 21 minutes, 4 seconds.
• To count from 1 to 18,321,081,664 would take you about one thousand, one hundred sixty-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 18321081664 cubic inches would be around 219.7 feet tall.

Recreational maths with 18321081664

• 18321081664 backwards is 46618012381
• The number of decimal digits it has is: 11
• The sum of 18321081664's digits is 40
• More coming soon!