12942890625

Names of 12942890625

• Cardinal: 12942890625 can be written as Twelve billion, nine hundred forty-two million, eight hundred ninety thousand, six hundred twenty-five.

Scientific notation

• Scientific notation: 1.2942890625 × 10¹⁰

Factors of 12942890625

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 38

Divisors of 12942890625

• Number of divisors d(n): 160
• Complete list of divisors:
  1 3 5 7 15 21 23 25 35 49 69 75 105 115 125 147 161 175 245 343 345 375 483 525 575 625 735 805 875 1029 1127 1225 1715 1725 1875 2401 2415 2625 2875 3125 3381 3675 4025 4375 5145 5635 6125 7203 7889 8575 8625 9375 12005 12075 13125 14375 15625 16905 18375 20125 21875 23667 25725 28175 30625 36015 39445 42875 43125 46875 55223 60025 60375 65625 71875 78125 84525 91875 100625 109375 118335 128625 140875 153125 165669 180075 197225 214375 215625 234375 276115 300125 301875 328125 359375 422625 459375 503125 546875 591675 643125 704375 765625 828345 900375 986125 1071875 1078125 1380575 1500625 1509375 1640625 1796875 2113125 2296875 2515625 2958375 3215625 3521875 3828125 4141725 4501875 4930625 5359375 5390625 6902875 7503125 7546875 10565625 11484375 12578125 14791875 16078125 17609375 20708625 22509375 24653125 26796875 34514375 37515625 37734375 52828125 73959375 80390625 88046875 103543125 112546875 123265625 172571875 187578125 264140625 369796875 517715625 562734375 616328125 862859375 1848984375 2588578125 4314296875 12942890625
• Sum of all divisors σ(n): 26259307776
• Sum of proper divisors (its aliquot sum) s(n): 13316417151
• 12942890625 is an abundant number, because the sum of its proper divisors (13316417151) is greater than itself. Its abundance is 373526526

Bases of 12942890625

• Binary: 1100000011011101001101011010000001₂
• Hexadecimal: 0x30374D681
• Base-36: 5Y1V2BL

Squares and roots of 12942890625

• 12942890625 squared (12942890625²) is 167518417730712890625
• 12942890625 cubed (12942890625³) is 2168172558361677646636962890625
• The square root of 12942890625 is 113766.8256786661
• The cube root of 12942890625 is 2347.8864730417

Scales and comparisons

• 12,942,890,625 seconds is equal to 411 years, 28 weeks, 1 day, 23 hours, 23 minutes, 45 seconds.
• To count from 1 to 12,942,890,625 would take you about eight hundred twenty-three 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 12942890625 cubic inches would be around 195.7 feet tall.

Recreational maths with 12942890625

• 12942890625 backwards is 52609824921
• The number of decimal digits it has is: 11
• The sum of 12942890625's digits is 48
• More coming soon!