18489809736

Names of 18489809736

• Cardinal: 18489809736 can be written as Eighteen billion, four hundred eighty-nine million, eight hundred nine thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 1.8489809736 × 10¹⁰

Factors of 18489809736

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 114681

Divisors of 18489809736

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 83 108 162 166 216 243 249 324 332 486 498 648 664 747 972 996 1494 1944 1992 2241 2988 4482 5976 6723 8964 13446 17928 20169 26892 40338 53784 80676 114593 161352 229186 343779 458372 687558 916744 1031337 1375116 2062674 2750232 3094011 4125348 6188022 8250696 9282033 9511219 12376044 18564066 19022438 24752088 27846099 28533657 37128132 38044876 55692198 57067314 74256264 76089752 85600971 111384396 114134628 171201942 222768792 228269256 256802913 342403884 513605826 684807768 770408739 1027211652 1540817478 2054423304 2311226217 3081634956 4622452434 6163269912 9244904868 18489809736
• Sum of all divisors σ(n): 52557392160
• Sum of proper divisors (its aliquot sum) s(n): 34067582424
• 18489809736 is an abundant number, because the sum of its proper divisors (34067582424) is greater than itself. Its abundance is 15577772688

Bases of 18489809736

• Binary: 10001001110000101000001101101001000₂
• Hexadecimal: 0x44E141B48
• Base-36: 8HSCSI0

Squares and roots of 18489809736

• 18489809736 squared (18489809736²) is 341873064073480389696
• 18489809736 cubed (18489809736³) is 6321167908581989528806174880256
• The square root of 18489809736 is 135977.2397719559
• The cube root of 18489809736 is 2644.3005422943

Scales and comparisons

• 18,489,809,736 seconds is equal to 587 years, 47 weeks, 5 days, 10 hours, 15 minutes, 36 seconds.
• To count from 1 to 18,489,809,736 would take you about one thousand, one hundred seventy-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 18489809736 cubic inches would be around 220.4 feet tall.

Recreational maths with 18489809736

• 18489809736 backwards is 63790898481
• The number of decimal digits it has is: 11
• The sum of 18489809736's digits is 63
• More coming soon!