135215220

Names of 135215220

• Cardinal: 135215220 can be written as One hundred thirty-five million, two hundred fifteen thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.3521522 × 10⁸

Factors of 135215220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 7547

Divisors of 135215220

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 43 60 70 84 86 105 129 140 172 210 215 258 301 420 430 516 602 645 860 903 1204 1290 1505 1806 2580 3010 3612 4515 6020 7487 9030 14974 18060 22461 29948 37435 44922 52409 74870 89844 104818 112305 149740 157227 209636 224610 262045 314454 321941 449220 524090 628908 643882 786135 965823 1048180 1287764 1572270 1609705 1931646 2253587 3144540 3219410 3863292 4507174 4829115 6438820 6760761 9014348 9658230 11267935 13521522 19316460 22535870 27043044 33803805 45071740 67607610 135215220
• Sum of all divisors σ(n): 442810368
• Sum of proper divisors (its aliquot sum) s(n): 307595148
• 135215220 is an abundant number, because the sum of its proper divisors (307595148) is greater than itself. Its abundance is 172379928

Bases of 135215220

• Binary: 1000000011110011100001110100₂
• Hexadecimal: 0x80F3874
• Base-36: 28I4QC

Squares and roots of 135215220

• 135215220 squared (135215220²) is 18283155719648400
• 135215220 cubed (135215220³) is 2472160922926516728648000
• The square root of 135215220 is 11628.2079444771
• The cube root of 135215220 is 513.2652474307

Scales and comparisons

• 135,215,220 seconds is equal to 4 years, 15 weeks, 3 days, 23 hours, 47 minutes.
• To count from 1 to 135,215,220 would take you about six 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 135215220 cubic inches would be around 42.8 feet tall.

Recreational maths with 135215220

• 135215220 backwards is 022512531
• 135215220 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 135215220's digits is 21
• More coming soon!