136138891161

Names of 136138891161

• Cardinal: 136138891161 can be written as One hundred thirty-six billion, one hundred thirty-eight million, eight hundred ninety-one thousand, one hundred sixty-one.

Scientific notation

• Scientific notation: 1.36138891161 × 10¹¹

Factors of 136138891161

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 84

Divisors of 136138891161

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 13 21 39 61 91 169 183 273 427 507 793 1183 1281 2197 2379 3549 3721 5551 6591 10309 11163 15379 16653 26047 28561 30927 46137 48373 72163 78141 85683 134017 145119 199927 216489 226981 338611 402051 599781 628849 680943 938119 1015833 1588867 1742221 1886547 2814357 2950753 4401943 4766601 5226663 8175037 8852259 12195547 13205829 20655271 24525111 36586641 38359789 57225259 61965813 106275481 115079367 171675777 268518523 318826443 498677257 743928367 805555569 1496031771 2231785101 3490740799 6482804341 10472222397 19448413023 45379630387 136138891161
• Sum of all divisors σ(n): 228482205568
• Sum of proper divisors (its aliquot sum) s(n): 92343314407
• 136138891161 is a deficient number, because the sum of its proper divisors (92343314407) is less than itself. Its deficiency is 43795576754

Bases of 136138891161

• Binary: 1111110110010100000101001111110011001₂
• Hexadecimal: 0x1FB2829F99
• Base-36: 1QJHKWPL

Squares and roots of 136138891161

• 136138891161 squared (136138891161²) is 18533797686546603927921
• 136138891161 cubed (136138891161³) is 2523170666048761706097412108006281
• The square root of 136138891161 is 368970.0410073967
• The cube root of 136138891161 is 5144.3132145561

Scales and comparisons

• 136,138,891,161 seconds is equal to 4,328 years, 41 weeks, 2 days, 14 hours, 39 minutes, 21 seconds.
• To count from 1 to 136,138,891,161 would take you about eight thousand, six hundred fifty-seven 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 136138891161 cubic inches would be around 428.7 feet tall.

Recreational maths with 136138891161

• 136138891161 backwards is 161198831631
• The number of decimal digits it has is: 12
• The sum of 136138891161's digits is 48
• More coming soon!