1225889100

Names of 1225889100

• Cardinal: 1225889100 can be written as One billion, two hundred twenty-five million, eight hundred eighty-nine thousand, one hundred.

Scientific notation

• Scientific notation: 1.2258891 × 10⁹

Factors of 1225889100

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 454043

Divisors of 1225889100

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 90 100 108 135 150 180 225 270 300 450 540 675 900 1350 2700 454033 908066 1362099 1816132 2270165 2724198 4086297 4540330 5448396 6810495 8172594 9080660 11350825 12258891 13620990 16345188 20431485 22701650 24517782 27241980 34052475 40862970 45403300 49035564 61294455 68104950 81725940 102157425 122588910 136209900 204314850 245177820 306472275 408629700 612944550 1225889100
• Sum of all divisors σ(n): 3941015120
• Sum of proper divisors (its aliquot sum) s(n): 2715126020
• 1225889100 is an abundant number, because the sum of its proper divisors (2715126020) is greater than itself. Its abundance is 1489236920

Bases of 1225889100

• Binary: 1001001000100011001010101001100₂
• Hexadecimal: 0x4911954C
• Base-36: K9V230

Squares and roots of 1225889100

• 1225889100 squared (1225889100²) is 1502804085498810000
• 1225889100 cubed (1225889100³) is 1842271147848459241971000000
• The square root of 1225889100 is 35012.6991247461
• The cube root of 1225889100 is 1070.2462821449

Scales and comparisons

• 1,225,889,100 seconds is equal to 38 years, 50 weeks, 6 days, 12 hours, 45 minutes.
• To count from 1 to 1,225,889,100 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 1225889100 cubic inches would be around 89.2 feet tall.

Recreational maths with 1225889100

• 1225889100 backwards is 0019885221
• 1225889100 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1225889100's digits is 36
• More coming soon!