18444320768

Names of 18444320768

• Cardinal: 18444320768 can be written as Eighteen billion, four hundred forty-four million, three hundred twenty thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8444320768 × 10¹⁰

Factors of 18444320768

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 1402

Divisors of 18444320768

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 32 64 109 128 218 256 436 512 872 1024 1291 1744 2048 2582 3488 4096 5164 6976 8192 10328 13952 16384 20656 27904 32768 41312 55808 65536 82624 111616 131072 140719 165248 223232 281438 330496 446464 562876 660992 892928 1125752 1321984 1785856 2251504 2643968 3571712 4503008 5287936 7143424 9006016 10575872 14286848 18012032 21151744 36024064 42303488 72048128 84606976 144096256 169213952 288192512 576385024 1152770048 2305540096 4611080192 9222160384 18444320768
• Sum of all divisors σ(n): 37255763160
• Sum of proper divisors (its aliquot sum) s(n): 18811442392
• 18444320768 is an abundant number, because the sum of its proper divisors (18811442392) is greater than itself. Its abundance is 367121624

Bases of 18444320768

• Binary: 10001001011010111100000000000000000₂
• Hexadecimal: 0x44B5E0000
• Base-36: 8H19SZK

Squares and roots of 18444320768

• 18444320768 squared (18444320768²) is 340192968592876109824
• 18444320768 cubed (18444320768³) is 6274628235745156569277852024832
• The square root of 18444320768 is 135809.8699211511
• The cube root of 18444320768 is 2642.1302426681

Scales and comparisons

• 18,444,320,768 seconds is equal to 586 years, 24 weeks, 3 days, 22 hours, 26 minutes, 8 seconds.
• To count from 1 to 18,444,320,768 would take you about one thousand, one hundred seventy-two 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 18444320768 cubic inches would be around 220.2 feet tall.

Recreational maths with 18444320768

• 18444320768 backwards is 86702344481
• The number of decimal digits it has is: 11
• The sum of 18444320768's digits is 47
• More coming soon!