13128977398

Names of 13128977398

• Cardinal: 13128977398 can be written as Thirteen billion, one hundred twenty-eight million, nine hundred seventy-seven thousand, three hundred ninety-eight.

Scientific notation

• Scientific notation: 1.3128977398 × 10¹⁰

Factors of 13128977398

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 7452062

Divisors of 13128977398

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 881 1762 7451179 14902358 6564488699 13128977398
• Sum of all divisors σ(n): 19715822280
• Sum of proper divisors (its aliquot sum) s(n): 6586844882
• 13128977398 is a deficient number, because the sum of its proper divisors (6586844882) is less than itself. Its deficiency is 6542132516

Bases of 13128977398

• Binary: 1100001110100011000100101111110110₂
• Hexadecimal: 0x30E8C4BF6
• Base-36: 614NJSM

Squares and roots of 13128977398

• 13128977398 squared (13128977398²) is 172370047517194850404
• 13128977398 cubed (13128977398³) is 2263042457945437207316107168792
• The square root of 13128977398 is 114581.7498469979
• The cube root of 13128977398 is 2359.0852409709

Scales and comparisons

• 13,128,977,398 seconds is equal to 417 years, 23 weeks, 6 days, 18 hours, 9 minutes, 58 seconds.
• To count from 1 to 13,128,977,398 would take you about eight hundred thirty-four 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 13128977398 cubic inches would be around 196.6 feet tall.

Recreational maths with 13128977398

• 13128977398 backwards is 89377982131
• The number of decimal digits it has is: 11
• The sum of 13128977398's digits is 58
• More coming soon!