12390535144

Names of 12390535144

• Cardinal: 12390535144 can be written as Twelve billion, three hundred ninety million, five hundred thirty-five thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.2390535144 × 10¹⁰

Factors of 12390535144

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 104

Divisors of 12390535144

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 13 26 52 89 104 169 178 338 356 676 712 1157 1352 2197 2314 4394 4628 7921 8788 9256 15041 15842 17576 30082 31684 60164 63368 102973 120328 195533 205946 391066 411892 704969 782132 823784 1338649 1409938 1564264 2677298 2819876 5354596 5639752 9164597 10709192 17402437 18329194 34804874 36658388 69609748 73316776 119139761 139219496 238279522 476559044 953118088 1548816893 3097633786 6195267572 12390535144
• Sum of all divisors σ(n): 25453386000
• Sum of proper divisors (its aliquot sum) s(n): 13062850856
• 12390535144 is an abundant number, because the sum of its proper divisors (13062850856) is greater than itself. Its abundance is 672315712

Bases of 12390535144

• Binary: 1011100010100010001000111111101000₂
• Hexadecimal: 0x2E2888FE8
• Base-36: 5OX063S

Squares and roots of 12390535144

• 12390535144 squared (12390535144²) is 153525361154699100736
• 12390535144 cubed (12390535144³) is 1902261382882591628414604265984
• The square root of 12390535144 is 111312.7806857775
• 12390535144 is a perfect cube number. Its cube root is 2314

Scales and comparisons

• 12,390,535,144 seconds is equal to 393 years, 50 weeks, 6 days, 23 hours, 19 minutes, 4 seconds.
• To count from 1 to 12,390,535,144 would take you about seven hundred eighty-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 12390535144 cubic inches would be around 192.8 feet tall.

Recreational maths with 12390535144

• 12390535144 backwards is 44153509321
• The number of decimal digits it has is: 11
• The sum of 12390535144's digits is 37
• More coming soon!