18442557072

Names of 18442557072

• Cardinal: 18442557072 can be written as Eighteen billion, four hundred forty-two million, five hundred fifty-seven thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8442557072 × 10¹⁰

Factors of 18442557072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 178851

Divisors of 18442557072

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 36 48 72 144 719 1438 2157 2876 4314 5752 6471 8628 11504 12942 17256 25884 34512 51768 103536 178127 356254 534381 712508 1068762 1425016 1603143 2137524 2850032 3206286 4275048 6412572 8550096 12825144 25650288 128073313 256146626 384219939 512293252 768439878 1024586504 1152659817 1536879756 2049173008 2305319634 3073759512 4610639268 6147519024 9221278536 18442557072
• Sum of all divisors σ(n): 51685620480
• Sum of proper divisors (its aliquot sum) s(n): 33243063408
• 18442557072 is an abundant number, because the sum of its proper divisors (33243063408) is greater than itself. Its abundance is 14800506336

Bases of 18442557072

• Binary: 10001001011010000110001011010010000₂
• Hexadecimal: 0x44B431690
• Base-36: 8H08040

Squares and roots of 18442557072

• 18442557072 squared (18442557072²) is 340127911353977213184
• 18442557072 cubed (18442557072³) is 6272828416925881548333430837248
• The square root of 18442557072 is 135803.3765117789
• The cube root of 18442557072 is 2642.0460240959

Scales and comparisons

• 18,442,557,072 seconds is equal to 586 years, 21 weeks, 4 days, 12 hours, 31 minutes, 12 seconds.
• To count from 1 to 18,442,557,072 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 18442557072 cubic inches would be around 220.2 feet tall.

Recreational maths with 18442557072

• 18442557072 backwards is 27075524481
• The number of decimal digits it has is: 11
• The sum of 18442557072's digits is 45
• More coming soon!