1355999645

Names of 1355999645

• Cardinal: 1355999645 can be written as One billion, three hundred fifty-five million, nine hundred ninety-nine thousand, six hundred forty-five.

Scientific notation

• Scientific notation: 1.355999645 × 10⁹

Factors of 1355999645

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 15990

Divisors of 1355999645

• Number of divisors d(n): 64
• Complete list of divisors:
  1 5 7 11 13 17 35 55 65 77 85 91 119 143 187 221 385 455 595 715 935 1001 1105 1309 1547 2431 5005 6545 7735 12155 15937 17017 79685 85085 111559 175307 207181 270929 557795 876535 1035905 1227149 1354645 1450267 1896503 2278991 2980219 3522077 6135745 7251335 9482515 11394955 14901095 15952937 17610385 20861533 24654539 38742847 79764685 104307665 123272695 193714235 271199929 1355999645
• Sum of all divisors σ(n): 2313432576
• Sum of proper divisors (its aliquot sum) s(n): 957432931
• 1355999645 is a deficient number, because the sum of its proper divisors (957432931) is less than itself. Its deficiency is 398566714

Bases of 1355999645

• Binary: 1010000110100101110100110011101₂
• Hexadecimal: 0x50D2E99D
• Base-36: MFBS0T

Squares and roots of 1355999645

• 1355999645 squared (1355999645²) is 1838735037240126025
• 1355999645 cubed (1355999645³) is 2493324057746672669655261125
• The square root of 1355999645 is 36823.9004588051
• The cube root of 1355999645 is 1106.8442806065

Scales and comparisons

• 1,355,999,645 seconds is equal to 43 years, 6 weeks, 10 hours, 34 minutes, 5 seconds.
• To count from 1 to 1,355,999,645 would take you about eighty-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 1355999645 cubic inches would be around 92.2 feet tall.

Recreational maths with 1355999645

• 1355999645 backwards is 5469995531
• The number of decimal digits it has is: 10
• The sum of 1355999645's digits is 56
• More coming soon!