802440990

Names of 802440990

• Cardinal: 802440990 can be written as Eight hundred two million, four hundred forty thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 8.0244099 × 10⁸

Factors of 802440990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4775

Divisors of 802440990

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 149 195 234 298 390 447 585 745 894 1170 1341 1490 1937 2235 2682 3874 4470 4603 5811 6705 9206 9685 11622 13410 13809 17433 19370 23015 27618 29055 34866 41427 46030 58110 59839 69045 82854 87165 119678 138090 174330 179517 207135 299195 359034 414270 538551 598390 685847 897585 1077102 1371694 1795170 2057541 2692755 3429235 4115082 5385510 6172623 6858470 8916011 10287705 12345246 17832022 20575410 26748033 30863115 44580055 53496066 61726230 80244099 89160110 133740165 160488198 267480330 401220495 802440990
• Sum of all divisors σ(n): 2262405600
• Sum of proper divisors (its aliquot sum) s(n): 1459964610
• 802440990 is an abundant number, because the sum of its proper divisors (1459964610) is greater than itself. Its abundance is 657523620

Bases of 802440990

• Binary: 101111110101000100011100011110₂
• Hexadecimal: 0x2FD4471E
• Base-36: D9R3FI

Squares and roots of 802440990

• 802440990 squared (802440990²) is 643911542432180100
• 802440990 cubed (802440990³) is 516701015581705607302299000
• The square root of 802440990 is 28327.3893961303
• The cube root of 802440990 is 929.2609807093

Scales and comparisons

• 802,440,990 seconds is equal to 25 years, 26 weeks, 5 days, 12 hours, 16 minutes, 30 seconds.
• To count from 1 to 802,440,990 would take you about thirty-eight 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 802440990 cubic inches would be around 77.4 feet tall.

Recreational maths with 802440990

• 802440990 backwards is 099044208
• The number of decimal digits it has is: 9
• The sum of 802440990's digits is 36
• More coming soon!