126909786990

Names of 126909786990

• Cardinal: 126909786990 can be written as One hundred twenty-six billion, nine hundred nine million, seven hundred eighty-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.2690978699 × 10¹¹

Factors of 126909786990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 389217

Divisors of 126909786990

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 1559 3118 4677 7795 9354 10913 15590 21826 23385 32739 46770 54565 65478 109130 163695 327390 387641 775282 1162923 1938205 2325846 2713487 3876410 5426974 5814615 8140461 11629230 13567435 16280922 27134870 40702305 81404610 604332319 1208664638 1812996957 3021661595 3625993914 4230326233 6043323190 8460652466 9064984785 12690978699 18129969570 21151631165 25381957398 42303262330 63454893495 126909786990
• Sum of all divisors σ(n): 348319595520
• Sum of proper divisors (its aliquot sum) s(n): 221409808530
• 126909786990 is an abundant number, because the sum of its proper divisors (221409808530) is greater than itself. Its abundance is 94500021540

Bases of 126909786990

• Binary: 1110110001100011010011010101101101110₂
• Hexadecimal: 0x1D8C69AB6E
• Base-36: 1MAUT6CU

Squares and roots of 126909786990

• 126909786990 squared (126909786990²) is 16106094033847173260100
• 126909786990 cubed (126909786990³) is 2044020963076454608652914866099000
• The square root of 126909786990 is 356243.9992336713
• The cube root of 126909786990 is 5025.3352348809

Scales and comparisons

• 126,909,786,990 seconds is equal to 4,035 years, 17 weeks, 4 days, 6 hours, 36 minutes, 30 seconds.
• To count from 1 to 126,909,786,990 would take you about eight thousand and seventy 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 126909786990 cubic inches would be around 418.8 feet tall.

Recreational maths with 126909786990

• 126909786990 backwards is 099687909621
• The number of decimal digits it has is: 12
• The sum of 126909786990's digits is 66
• More coming soon!