18440400955

Names of 18440400955

• Cardinal: 18440400955 can be written as Eighteen billion, four hundred forty million, four hundred thousand, nine hundred fifty-five.

Scientific notation

• Scientific notation: 1.8440400955 × 10¹⁰

Factors of 18440400955

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 199

Divisors of 18440400955

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 29 37 61 67 145 185 305 335 841 1073 1769 1943 2257 2479 4087 4205 5365 8845 9715 11285 12395 20435 24389 31117 51301 56347 65453 71891 118523 121945 151219 155585 256505 281735 327265 359455 592615 756095 902393 1487729 1634063 1898137 2084839 3437167 4385351 4511965 7438645 8170315 9490685 10424195 17185835 21926755 55045973 60460331 99677843 127175179 275229865 302301655 498389215 635875895 3688080191 18440400955
• Sum of all divisors σ(n): 24281124480
• Sum of proper divisors (its aliquot sum) s(n): 5840723525
• 18440400955 is a deficient number, because the sum of its proper divisors (5840723525) is less than itself. Its deficiency is 12599677430

Bases of 18440400955

• Binary: 10001001011001000100011000000111011₂
• Hexadecimal: 0x44B22303B
• Base-36: 8GYXSFV

Squares and roots of 18440400955

• 18440400955 squared (18440400955²) is 340048387381164912025
• 18440400955 cubed (18440400955³) is 6270628607409843392718300983875
• The square root of 18440400955 is 135795.4379020151
• The cube root of 18440400955 is 2641.9430596617

Scales and comparisons

• 18,440,400,955 seconds is equal to 586 years, 18 weeks, 13 hours, 35 minutes, 55 seconds.
• To count from 1 to 18,440,400,955 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 18440400955 cubic inches would be around 220.2 feet tall.

Recreational maths with 18440400955

• 18440400955 backwards is 55900404481
• The number of decimal digits it has is: 11
• The sum of 18440400955's digits is 40
• More coming soon!