18948593792

Names of 18948593792

• Cardinal: 18948593792 can be written as Eighteen billion, nine hundred forty-eight million, five hundred ninety-three thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.8948593792 × 10¹⁰

Factors of 18948593792

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 25

Divisors of 18948593792

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 8 16 23 32 46 64 92 128 184 368 529 736 1058 1472 2116 2944 4232 8464 12167 16928 24334 33856 48668 67712 97336 194672 279841 389344 559682 778688 1119364 1557376 2238728 4477456 6436343 8954912 12872686 17909824 25745372 35819648 51490744 102981488 148035889 205962976 296071778 411925952 592143556 823851904 1184287112 2368574224 4737148448 9474296896 18948593792
• Sum of all divisors σ(n): 39465022215
• Sum of proper divisors (its aliquot sum) s(n): 20516428423
• 18948593792 is an abundant number, because the sum of its proper divisors (20516428423) is greater than itself. Its abundance is 1567834631

Bases of 18948593792

• Binary: 10001101001011011001001100010000000₂
• Hexadecimal: 0x4696C9880
• Base-36: 8PDI4JK

Squares and roots of 18948593792

• 18948593792 squared (18948593792²) is 359049206694220939264
• 18948593792 cubed (18948593792³) is 6803477568988639732014239449088
• The square root of 18948593792 is 137653.8913071475
• The cube root of 18948593792 is 2665.9929415775
• Being both a perfect square and a perfect cube, 18948593792 is also a perfect sixth number.

Scales and comparisons

• 18,948,593,792 seconds is equal to 602 years, 26 weeks, 2 days, 10 hours, 16 minutes, 32 seconds.
• To count from 1 to 18,948,593,792 would take you about one thousand, two hundred 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 18948593792 cubic inches would be around 222.2 feet tall.

Recreational maths with 18948593792

• 18948593792 backwards is 29739584981
• The number of decimal digits it has is: 11
• The sum of 18948593792's digits is 65
• More coming soon!