1228887225

Names of 1228887225

• Cardinal: 1228887225 can be written as One billion, two hundred twenty-eight million, eight hundred eighty-seven thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.228887225 × 10⁹

Factors of 1228887225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1383

Divisors of 1228887225

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 5 9 15 19 25 45 57 75 95 171 225 263 285 475 789 855 1093 1315 1425 2367 3279 3945 4275 4997 5465 6575 9837 11835 14991 16395 19725 20767 24985 27325 44973 49185 59175 62301 74955 81975 103835 124925 186903 224865 245925 287459 311505 374775 519175 862377 934515 1124325 1437295 1557525 2587131 4311885 4672575 5461721 7186475 12935655 16385163 21559425 27308605 49155489 64678275 81925815 136543025 245777445 409629075 1228887225
• Sum of all divisors σ(n): 2327856960
• Sum of proper divisors (its aliquot sum) s(n): 1098969735
• 1228887225 is a deficient number, because the sum of its proper divisors (1098969735) is less than itself. Its deficiency is 129917490

Bases of 1228887225

• Binary: 1001001001111110101010010111001₂
• Hexadecimal: 0x493F54B9
• Base-36: KBNBG9

Squares and roots of 1228887225

• 1228887225 squared (1228887225²) is 1510163811768200625
• 1228887225 cubed (1228887225³) is 1855821015939246409299515625
• The square root of 1228887225 is 35055.4878014841
• The cube root of 1228887225 is 1071.1180629735

Scales and comparisons

• 1,228,887,225 seconds is equal to 39 years, 3 weeks, 6 days, 5 hours, 33 minutes, 45 seconds.
• To count from 1 to 1,228,887,225 would take you about seventy-eight 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 1228887225 cubic inches would be around 89.3 feet tall.

Recreational maths with 1228887225

• 1228887225 backwards is 5227888221
• 1228887225 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1228887225's digits is 45
• More coming soon!