1225315399728

Names of 1225315399728

• Cardinal: 1225315399728 can be written as One trillion, two hundred twenty-five billion, three hundred fifteen million, three hundred ninety-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.225315399728 × 10¹²

Factors of 1225315399728

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3646772035

Divisors of 1225315399728

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 42 48 56 84 112 168 336 3646772023 7293544046 10940316069 14587088092 21880632138 25527404161 29174176184 43761264276 51054808322 58348352368 76582212483 87522528552 102109616644 153164424966 175045057104 204219233288 306328849932 408438466576 612657699864 1225315399728
• Sum of all divisors σ(n): 3617597847808
• Sum of proper divisors (its aliquot sum) s(n): 2392282448080
• 1225315399728 is an abundant number, because the sum of its proper divisors (2392282448080) is greater than itself. Its abundance is 1166967048352

Bases of 1225315399728

• Binary: 10001110101001010011111010011100000110000₂
• Hexadecimal: 0x11D4A7D3830
• Base-36: FMWH5HDC

Squares and roots of 1225315399728

• 1225315399728 squared (1225315399728²) is 1501397828810588422473984
• 1225315399728 cubed (1225315399728³) is 1839685880759797467682598643640676352
• The square root of 1225315399728 is 1106939.6549622749
• The cube root of 1225315399728 is 10700.7930227975

Scales and comparisons

• 1,225,315,399,728 seconds is equal to 38,961 years, 12 weeks, 3 days, 4 hours, 48 minutes, 48 seconds.
• To count from 1 to 1,225,315,399,728 would take you about ninety-seven thousand, four hundred 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 1225315399728 cubic inches would be around 891.7 feet tall.

Recreational maths with 1225315399728

• 1225315399728 backwards is 8279935135221
• The number of decimal digits it has is: 13
• The sum of 1225315399728's digits is 57
• More coming soon!