18109612416

Names of 18109612416

• Cardinal: 18109612416 can be written as Eighteen billion, one hundred nine million, six hundred twelve thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 1.8109612416 × 10¹⁰

Factors of 18109612416

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6737219

Divisors of 18109612416

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 336 384 448 672 896 1344 2688 6737207 13474414 20211621 26948828 40423242 47160449 53897656 80846484 94320898 107795312 141481347 161692968 188641796 215590624 282962694 323385936 377283592 431181248 565925388 646771872 754567184 862362496 1131850776 1293543744 1509134368 2263701552 2587087488 3018268736 4527403104 6036537472 9054806208 18109612416
• Sum of all divisors σ(n): 54975617280
• Sum of proper divisors (its aliquot sum) s(n): 36866004864
• 18109612416 is an abundant number, because the sum of its proper divisors (36866004864) is greater than itself. Its abundance is 18756392448

Bases of 18109612416

• Binary: 10000110111011010101100000110000000₂
• Hexadecimal: 0x4376AC180
• Base-36: 8BHZUDC

Squares and roots of 18109612416

• 18109612416 squared (18109612416²) is 327958061857741357056
• 18109612416 cubed (18109612416³) is 5939193388946248905458026807296
• The square root of 18109612416 is 134571.9599916713
• The cube root of 18109612416 is 2626.0503692359

Scales and comparisons

• 18,109,612,416 seconds is equal to 575 years, 43 weeks, 23 hours, 53 minutes, 36 seconds.
• To count from 1 to 18,109,612,416 would take you about one thousand, one hundred fifty-one 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 18109612416 cubic inches would be around 218.8 feet tall.

Recreational maths with 18109612416

• 18109612416 backwards is 61421690181
• The number of decimal digits it has is: 11
• The sum of 18109612416's digits is 39
• More coming soon!