1309145250

Names of 1309145250

• Cardinal: 1309145250 can be written as One billion, three hundred nine million, one hundred forty-five thousand, two hundred fifty.

Scientific notation

• Scientific notation: 1.30914525 × 10⁹

Factors of 1309145250

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 744

Divisors of 1309145250

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 25 30 35 42 49 50 70 75 98 105 125 147 150 175 210 245 250 294 343 350 375 490 525 686 727 735 750 875 1029 1050 1225 1454 1470 1715 1750 2058 2181 2401 2450 2625 3430 3635 3675 4362 4802 5089 5145 5250 6125 7203 7270 7350 8575 10178 10290 10905 12005 12250 14406 15267 17150 18175 18375 21810 24010 25445 25725 30534 35623 36015 36350 36750 42875 50890 51450 54525 60025 71246 72030 76335 85750 90875 106869 109050 120050 127225 128625 152670 178115 180075 181750 213738 249361 254450 257250 272625 300125 356230 360150 381675 498722 534345 545250 600250 636125 748083 763350 890575 900375 1068690 1246805 1272250 1496166 1745527 1781150 1800750 1908375 2493610 2671725 3491054 3740415 3816750 4452875 5236581 5343450 6234025 7480830 8727635 8905750 10473162 12468050 13358625 17455270 18702075 26182905 26717250 31170125 37404150 43638175 52365810 62340250 87276350 93510375 130914525 187020750 218190875 261829050 436381750 654572625 1309145250
• Sum of all divisors σ(n): 3817247616
• Sum of proper divisors (its aliquot sum) s(n): 2508102366
• 1309145250 is an abundant number, because the sum of its proper divisors (2508102366) is greater than itself. Its abundance is 1198957116

Bases of 1309145250

• Binary: 1001110000001111111100010100010₂
• Hexadecimal: 0x4E07F8A2
• Base-36: LNFIXU

Squares and roots of 1309145250

• 1309145250 squared (1309145250²) is 1713861285597562500
• 1309145250 cubed (1309145250³) is 2243693361198942358453125000
• The square root of 1309145250 is 36182.1122932313
• The cube root of 1309145250 is 1093.9461514869

Scales and comparisons

• 1,309,145,250 seconds is equal to 41 years, 32 weeks, 4 days, 3 hours, 27 minutes, 30 seconds.
• To count from 1 to 1,309,145,250 would take you about eighty-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 1309145250 cubic inches would be around 91.2 feet tall.

Recreational maths with 1309145250

• 1309145250 backwards is 0525419031
• 1309145250 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1309145250's digits is 30
• More coming soon!