12138290064

Names of 12138290064

• Cardinal: 12138290064 can be written as Twelve billion, one hundred thirty-eight million, two hundred ninety thousand and sixty-four.

Scientific notation

• Scientific notation: 1.2138290064 × 10¹⁰

Factors of 12138290064

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2719187

Divisors of 12138290064

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 31 36 48 62 72 93 124 144 186 248 279 372 496 558 744 1116 1488 2232 4464 2719151 5438302 8157453 10876604 16314906 21753208 24472359 32629812 43506416 48944718 65259624 84293681 97889436 130519248 168587362 195778872 252881043 337174724 391557744 505762086 674349448 758643129 1011524172 1348698896 1517286258 2023048344 3034572516 4046096688 6069145032 12138290064
• Sum of all divisors σ(n): 35066184192
• Sum of proper divisors (its aliquot sum) s(n): 22927894128
• 12138290064 is an abundant number, because the sum of its proper divisors (22927894128) is greater than itself. Its abundance is 10789604064

Bases of 12138290064

• Binary: 1011010011011111111001101110010000₂
• Hexadecimal: 0x2D37F9B90
• Base-36: 5KQTOK0

Squares and roots of 12138290064

• 12138290064 squared (12138290064²) is 147338085677801124096
• 12138290064 cubed (12138290064³) is 1788432421431634089982507782144
• The square root of 12138290064 is 110173.9082723309
• The cube root of 12138290064 is 2298.1895055131

Scales and comparisons

• 12,138,290,064 seconds is equal to 385 years, 49 weeks, 6 days, 11 hours, 14 minutes, 24 seconds.
• To count from 1 to 12,138,290,064 would take you about seven hundred seventy-one 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 12138290064 cubic inches would be around 191.5 feet tall.

Recreational maths with 12138290064

• 12138290064 backwards is 46009283121
• 12138290064 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12138290064's digits is 36
• More coming soon!