149386398529443102721

Names of 149386398529443102721

• Cardinal: 149386398529443102721 can be written as One hundred forty-nine quintillion, three hundred eighty-six quadrillion, three hundred ninety-eight trillion, five hundred twenty-nine billion, four hundred forty-three million, one hundred two thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.49386398529443102721 × 10²⁰

Factors of 149386398529443102721

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 3785390280

Divisors of 149386398529443102721

• Number of divisors d(n): 16
• Complete list of divisors:
  1 19 109 2071 19152401 363895619 2087611709 3766237751 39664622471 71558517269 410519914859 7799878382321 72132495668490151 1370517417701312869 7862442027865426459 149386398529443102721
• Sum of all divisors σ(n): 158691498798536668800
• Sum of proper divisors (its aliquot sum) s(n): 9305100269093566079
• 149386398529443102721 is a deficient number, because the sum of its proper divisors (9305100269093566079) is less than itself. Its deficiency is 140081298260349536642

Bases of 149386398529443102721

• Binary: 10000001100100100111000110011111101010111110011001001000000000000001₂
• Hexadecimal: 0x8192719FABE648001
• Base-36: VIYUAP7K00001

Squares and roots of 149386398529443102721

• 149386398529443102721 squared (149386398529443102721²) is 22316296065597600403178376934839357603841
• 149386398529443102721 cubed (149386398529443102721³) is 3333751097756406271884603986293012775469929086202042987151361
• The square root of 149386398529443102721 is 12222372868.2053839035
• The cube root of 149386398529443102721 is 5306037.9570926391

Scales and comparisons

• 149,386,398,529,443,102,721 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 149,386,398,529,443,102,721 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 149386398529443102721 cubic inches would be around 442169.8 feet tall.

Recreational maths with 149386398529443102721

• 149386398529443102721 backwards is 127201344925893683941
• The number of decimal digits it has is: 21
• The sum of 149386398529443102721's digits is 91
• More coming soon!