13898136609

Names of 13898136609

• Cardinal: 13898136609 can be written as Thirteen billion, eight hundred ninety-eight million, one hundred thirty-six thousand, six hundred nine.

Scientific notation

• Scientific notation: 1.3898136609 × 10¹⁰

Factors of 13898136609

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1669

Divisors of 13898136609

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 9 21 49 63 73 147 219 349 441 511 657 1047 1237 1533 2443 3141 3577 3711 4599 7329 8659 10731 11133 17101 21987 25477 25977 32193 51303 60613 76431 77931 90301 153909 178339 181839 229293 270903 431713 535017 545517 632107 812709 1248373 1295139 1605051 1896321 3021991 3745119 3885417 4424749 5688963 9065973 11235357 13274247 21153937 27197919 31515049 39822741 63461811 94545147 190385433 220605343 283635441 661816029 1544237401 1985448087 4632712203 13898136609
• Sum of all divisors σ(n): 23759572200
• Sum of proper divisors (its aliquot sum) s(n): 9861435591
• 13898136609 is a deficient number, because the sum of its proper divisors (9861435591) is less than itself. Its deficiency is 4036701018

Bases of 13898136609

• Binary: 1100111100011001001011110000100001₂
• Hexadecimal: 0x33C64BC21
• Base-36: 6DULAU9

Squares and roots of 13898136609

• 13898136609 squared (13898136609²) is 193158201202426018881
• 13898136609 cubed (13898136609³) is 2684539067460024872624151314529
• The square root of 13898136609 is 117890.3584225615
• The cube root of 13898136609 is 2404.2826662961

Scales and comparisons

• 13,898,136,609 seconds is equal to 441 years, 47 weeks, 5 days, 1 hour, 30 minutes, 9 seconds.
• To count from 1 to 13,898,136,609 would take you about eight hundred eighty-three 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 13898136609 cubic inches would be around 200.4 feet tall.

Recreational maths with 13898136609

• 13898136609 backwards is 90663189831
• The number of decimal digits it has is: 11
• The sum of 13898136609's digits is 54
• More coming soon!