1429151997

Names of 1429151997

• Cardinal: 1429151997 can be written as One billion, four hundred twenty-nine million, one hundred fifty-one thousand, nine hundred ninety-seven.

Scientific notation

• Scientific notation: 1.429151997 × 10⁹

Factors of 1429151997

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 4
• Sum of prime factors: 5235012

Divisors of 1429151997

• Number of divisors d(n): 16
• Complete list of divisors:
  1 3 7 13 21 39 91 273 5234989 15704967 36644923 68054857 109934769 204164571 476383999 1429151997
• Sum of all divisors σ(n): 2345275520
• Sum of proper divisors (its aliquot sum) s(n): 916123523
• 1429151997 is a deficient number, because the sum of its proper divisors (916123523) is less than itself. Its deficiency is 513028474

Bases of 1429151997

• Binary: 1010101001011110010000011111101₂
• Hexadecimal: 0x552F20FD
• Base-36: NMVOQL

Squares and roots of 1429151997

• 1429151997 squared (1429151997²) is 2042475430529088009
• 1429151997 cubed (1429151997³) is 2919007840364080894651103973
• The square root of 1429151997 is 37804.1267191823
• The cube root of 1429151997 is 1126.4004280381

Scales and comparisons

• 1,429,151,997 seconds is equal to 45 years, 23 weeks, 2 hours, 39 minutes, 57 seconds.
• To count from 1 to 1,429,151,997 would take you about ninety 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 1429151997 cubic inches would be around 93.9 feet tall.

Recreational maths with 1429151997

• 1429151997 backwards is 7991519241
• The number of decimal digits it has is: 10
• The sum of 1429151997's digits is 48
• More coming soon!