1297429838

Names of 1297429838

• Cardinal: 1297429838 can be written as One billion, two hundred ninety-seven million, four hundred twenty-nine thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 1.297429838 × 10⁹

Factors of 1297429838

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 265426

Divisors of 1297429838

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 2467 4934 262957 525914 648714919 1297429838
• Sum of all divisors σ(n): 1946941032
• Sum of proper divisors (its aliquot sum) s(n): 649511194
• 1297429838 is a deficient number, because the sum of its proper divisors (649511194) is less than itself. Its deficiency is 647918644

Bases of 1297429838

• Binary: 1001101010101010011010101001110₂
• Hexadecimal: 0x4D55354E
• Base-36: LGGF9Q

Squares and roots of 1297429838

• 1297429838 squared (1297429838²) is 1683324184532706244
• 1297429838 cubed (1297429838³) is 2183995024039751167854508472
• The square root of 1297429838 is 36019.8533867089
• The cube root of 1297429838 is 1090.6731632853

Scales and comparisons

• 1,297,429,838 seconds is equal to 41 years, 13 weeks, 1 day, 13 hours, 10 minutes, 38 seconds.
• To count from 1 to 1,297,429,838 would take you about eighty-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 1297429838 cubic inches would be around 90.9 feet tall.

Recreational maths with 1297429838

• 1297429838 backwards is 8389247921
• The number of decimal digits it has is: 10
• The sum of 1297429838's digits is 53
• More coming soon!