12940742908

Names of 12940742908

• Cardinal: 12940742908 can be written as Twelve billion, nine hundred forty million, seven hundred forty-two thousand, nine hundred eight.

Scientific notation

• Scientific notation: 1.2940742908 × 10¹⁰

Factors of 12940742908

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3106

Divisors of 12940742908

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 19 23 38 46 76 92 109 218 436 437 529 874 1058 1748 2071 2116 2507 2953 4142 5014 5906 8284 10028 10051 11812 20102 40204 47633 56107 57661 67919 95266 112214 115322 135838 190532 224428 230644 271676 321877 643754 1095559 1287508 1290461 1562137 2191118 2580922 3124274 4382236 5161844 6115663 6248548 7403171 12231326 14806342 24462652 29612684 29680603 59361206 118722412 140660249 170272933 281320498 340545866 562640996 681091732 3235185727 6470371454 12940742908
• Sum of all divisors σ(n): 25156854800
• Sum of proper divisors (its aliquot sum) s(n): 12216111892
• 12940742908 is a deficient number, because the sum of its proper divisors (12216111892) is less than itself. Its deficiency is 724631016

Bases of 12940742908

• Binary: 1100000011010101000001000011111100₂
• Hexadecimal: 0x3035410FC
• Base-36: 5Y0L14S

Squares and roots of 12940742908

• 12940742908 squared (12940742908²) is 167462827010952296464
• 12940742908 cubed (12940742908³) is 2167093390995611768792821477312
• The square root of 12940742908 is 113757.3861689869
• The cube root of 12940742908 is 2347.7565980191

Scales and comparisons

• 12,940,742,908 seconds is equal to 411 years, 24 weeks, 5 days, 2 hours, 48 minutes, 28 seconds.
• To count from 1 to 12,940,742,908 would take you about eight hundred twenty-two 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 12940742908 cubic inches would be around 195.6 feet tall.

Recreational maths with 12940742908

• 12940742908 backwards is 80924704921
• 12940742908 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12940742908's digits is 46
• More coming soon!