1213199900

Names of 1213199900

• Cardinal: 1213199900 can be written as One billion, two hundred thirteen million, one hundred ninety-nine thousand, nine hundred.

Scientific notation

• Scientific notation: 1.2131999 × 10⁹

Factors of 1213199900

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 64912

Divisors of 1213199900

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 5 10 11 17 20 22 25 34 44 50 55 68 85 100 110 170 187 220 275 340 374 425 550 748 850 935 1100 1700 1870 3740 4675 9350 18700 64877 129754 259508 324385 648770 713647 1102909 1297540 1427294 1621925 2205818 2854588 3243850 3568235 4411636 5514545 6487700 7136470 11029090 12131999 14272940 17841175 22058180 24263998 27572725 35682350 48527996 55145450 60659995 71364700 110290900 121319990 242639980 303299975 606599950 1213199900
• Sum of all divisors σ(n): 3040961616
• Sum of proper divisors (its aliquot sum) s(n): 1827761716
• 1213199900 is an abundant number, because the sum of its proper divisors (1827761716) is greater than itself. Its abundance is 614561816

Bases of 1213199900

• Binary: 1001000010011111111011000011100₂
• Hexadecimal: 0x484FF61C
• Base-36: K2B318

Squares and roots of 1213199900

• 1213199900 squared (1213199900²) is 1471853997360010000
• 1213199900 cubed (1213199900³) is 1785653122411764395999000000
• The square root of 1213199900 is 34831.0192213779
• The cube root of 1213199900 is 1066.5407544517

Scales and comparisons

• 1,213,199,900 seconds is equal to 38 years, 29 weeks, 6 days, 15 hours, 58 minutes, 20 seconds.
• To count from 1 to 1,213,199,900 would take you about seventy-seven 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 1213199900 cubic inches would be around 88.9 feet tall.

Recreational maths with 1213199900

• 1213199900 backwards is 0099913121
• The number of decimal digits it has is: 10
• The sum of 1213199900's digits is 35
• More coming soon!