120138769

Names of 120138769

• Cardinal: 120138769 can be written as One hundred twenty million, one hundred thirty-eight thousand, seven hundred sixty-nine.

Scientific notation

• Scientific notation: 1.20138769 × 10⁸

Factors of 120138769

• Number of distinct prime factors ω(n): 1
• Total number of prime factors Ω(n): 1
• Sum of prime factors: 120138769

Divisors of 120138769

• Number of divisors d(n): 2
• Complete list of divisors:
  1 120138769
• Sum of all divisors σ(n): 120138770
• Sum of proper divisors (its aliquot sum) s(n): 1
• 120138769 is a deficient number, because the sum of its proper divisors (1) is less than itself. Its deficiency is 120138768

Bases of 120138769

• Binary: 111001010010010110000010001₂
• Hexadecimal: 0x7292C11
• Base-36: 1ZIZO1

Squares and roots of 120138769

• 120138769 squared (120138769²) is 14433323816835361
• 120138769 cubed (120138769³) is 1734001755932981746210609
• The square root of 120138769 is 10960.7832293135
• The cube root of 120138769 is 493.4324715035

Scales and comparisons

• 120,138,769 seconds is equal to 3 years, 42 weeks, 4 days, 11 hours, 52 minutes, 49 seconds.
• To count from 1 to 120,138,769 would take you about 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 120138769 cubic inches would be around 41.1 feet tall.

Recreational maths with 120138769

• 120138769 backwards is 967831021
• The number of decimal digits it has is: 9
• The sum of 120138769's digits is 37
• More coming soon!