12496212990

Names of 12496212990

• Cardinal: 12496212990 can be written as Twelve billion, four hundred ninety-six million, two hundred twelve thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.249621299 × 10¹⁰

Factors of 12496212990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1839

Divisors of 12496212990

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 30 45 90 239 478 569 717 1021 1138 1195 1434 1707 2042 2151 2390 2845 3063 3414 3585 4302 5105 5121 5690 6126 7170 8535 9189 10210 10242 10755 15315 17070 18378 21510 25605 30630 45945 51210 91890 135991 244019 271982 407973 488038 580949 679955 732057 815946 1161898 1220095 1223919 1359910 1464114 1742847 2039865 2196171 2440190 2447838 2904745 3485694 3660285 4079730 4392342 5228541 5809490 6119595 7320570 8714235 10457082 10980855 12239190 17428470 21961710 26142705 52285410 138846811 277693622 416540433 694234055 833080866 1249621299 1388468110 2082702165 2499242598 4165404330 6248106495 12496212990
• Sum of all divisors σ(n): 32715446400
• Sum of proper divisors (its aliquot sum) s(n): 20219233410
• 12496212990 is an abundant number, because the sum of its proper divisors (20219233410) is greater than itself. Its abundance is 7723020420

Bases of 12496212990

• Binary: 1011101000110101010001001111111110₂
• Hexadecimal: 0x2E8D513FE
• Base-36: 5QNX7NI

Squares and roots of 12496212990

• 12496212990 squared (12496212990²) is 156155339091444740100
• 12496212990 cubed (12496212990³) is 1951350376812366559104793899000
• The square root of 12496212990 is 111786.4615684743
• The cube root of 12496212990 is 2320.5600232231

Scales and comparisons

• 12,496,212,990 seconds is equal to 397 years, 17 weeks, 5 days, 2 hours, 16 minutes, 30 seconds.
• To count from 1 to 12,496,212,990 would take you about seven hundred ninety-four 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 12496212990 cubic inches would be around 193.4 feet tall.

Recreational maths with 12496212990

• 12496212990 backwards is 09921269421
• 12496212990 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12496212990's digits is 45
• More coming soon!