12087442890

Names of 12087442890

• Cardinal: 12087442890 can be written as Twelve billion, eighty-seven million, four hundred forty-two thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.208744289 × 10¹⁰

Factors of 12087442890

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3873

Divisors of 12087442890

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 3863 7726 11589 19315 23178 34767 38630 57945 69534 104301 115890 173835 208602 312903 347670 521505 625806 1043010 1564515 3129030 14922769 29845538 44768307 74613845 89536614 134304921 149227690 223841535 268609842 402914763 447683070 671524605 805829526 1208744289 1343049210 2014573815 2417488578 4029147630 6043721445 12087442890
• Sum of all divisors σ(n): 32510206674
• Sum of proper divisors (its aliquot sum) s(n): 20422763784
• 12087442890 is an abundant number, because the sum of its proper divisors (20422763784) is greater than itself. Its abundance is 8335320894

Bases of 12087442890

• Binary: 1011010000011101111011110111001010₂
• Hexadecimal: 0x2D077BDCA
• Base-36: 5JWJUMI

Squares and roots of 12087442890

• 12087442890 squared (12087442890²) is 146106275619011552100
• 12087442890 cubed (12087442890³) is 1766051262415401534259009569000
• The square root of 12087442890 is 109942.9074110741
• The cube root of 12087442890 is 2294.9759833447

Scales and comparisons

• 12,087,442,890 seconds is equal to 384 years, 17 weeks, 5 days, 23 hours, 1 minute, 30 seconds.
• To count from 1 to 12,087,442,890 would take you about seven hundred sixty-eight 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 12087442890 cubic inches would be around 191.2 feet tall.

Recreational maths with 12087442890

• 12087442890 backwards is 09824478021
• 12087442890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12087442890's digits is 45
• More coming soon!