7145998

Names of 7145998

• Cardinal: 7145998 can be written as Seven million, one hundred forty-five thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 7.145998 × 10⁶

Factors of 7145998

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 83138

Divisors of 7145998

• Number of divisors d(n): 8
• Complete list of divisors:
  1 2 43 86 83093 166186 3572999 7145998
• Sum of all divisors σ(n): 10968408
• Sum of proper divisors (its aliquot sum) s(n): 3822410
• 7145998 is a deficient number, because the sum of its proper divisors (3822410) is less than itself. Its deficiency is 3323588

Bases of 7145998

• Binary: 11011010000101000001110₂
• Hexadecimal: 0x6D0A0E
• Base-36: 495VY

Squares and roots of 7145998

• 7145998 squared (7145998²) is 51065287416004
• 7145998 cubed (7145998³) is 364912441744189751992
• The square root of 7145998 is 2673.1999551099
• The cube root of 7145998 is 192.6139023439

Scales and comparisons

• 7,145,998 seconds is equal to 11 weeks, 5 days, 16 hours, 59 minutes, 58 seconds.
• To count from 1 to 7,145,998 would take you about seventeen 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 7145998 cubic inches would be around 16.1 feet tall.

Recreational maths with 7145998

• 7145998 backwards is 8995417
• 7145998 is a Harshad number.
• The number of decimal digits it has is: 7
• The sum of 7145998's digits is 43
• More coming soon!