1381021

Names of 1381021

• Cardinal: 1381021 can be written as One million, three hundred eighty-one thousand and twenty-one.

Scientific notation

• Scientific notation: 1.381021 × 10⁶

Factors of 1381021

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 491

Divisors of 1381021

• Number of divisors d(n): 8
• Complete list of divisors:
  1 53 71 367 3763 19451 26057 1381021
• Sum of all divisors σ(n): 1430784
• Sum of proper divisors (its aliquot sum) s(n): 49763
• 1381021 is a deficient number, because the sum of its proper divisors (49763) is less than itself. Its deficiency is 1331258

Bases of 1381021

• Binary: 101010001001010011101₂
• Hexadecimal: 0x15129D
• Base-36: TLLP

Squares and roots of 1381021

• 1381021 squared (1381021²) is 1907219002441
• 1381021 cubed (1381021³) is 2633909493970072261
• The square root of 1381021 is 1175.1684985567
• The cube root of 1381021 is 111.3610783001

Scales and comparisons

• 1,381,021 seconds is equal to 2 weeks, 1 day, 23 hours, 37 minutes, 1 second.
• To count from 1 to 1,381,021 would take you about three weeks!

  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 1381021 cubic inches would be around 9.3 feet tall.

Recreational maths with 1381021

• 1381021 backwards is 1201831
• The number of decimal digits it has is: 7
• The sum of 1381021's digits is 16
• More coming soon!