7213680390

Names of 7213680390

• Cardinal: 7213680390 can be written as Seven billion, two hundred thirteen million, six hundred eighty thousand, three hundred ninety.

Scientific notation

• Scientific notation: 7.21368039 × 10⁹

Factors of 7213680390

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 434917

Divisors of 7213680390

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 42 70 79 105 158 210 237 395 474 553 790 1106 1185 1659 2370 2765 3318 5530 8295 16590 434821 869642 1304463 2174105 2608926 3043747 4348210 6087494 6522315 9131241 13044630 15218735 18262482 30437470 34350859 45656205 68701718 91312410 103052577 171754295 206105154 240456013 343508590 480912026 515262885 721368039 1030525770 1202280065 1442736078 2404560130 3606840195 7213680390
• Sum of all divisors σ(n): 20036597760
• Sum of proper divisors (its aliquot sum) s(n): 12822917370
• 7213680390 is an abundant number, because the sum of its proper divisors (12822917370) is greater than itself. Its abundance is 5609236980

Bases of 7213680390

• Binary: 110101101111110000000011100000110₂
• Hexadecimal: 0x1ADF80706
• Base-36: 3BAU7EU

Squares and roots of 7213680390

• 7213680390 squared (7213680390²) is 52037184769070552100
• 7213680390 cubed (7213680390³) is 375379619319450920210243319000
• The square root of 7213680390 is 84933.3879578579
• The cube root of 7213680390 is 1932.2009835321

Scales and comparisons

• 7,213,680,390 seconds is equal to 229 years, 19 weeks, 2 days, 16 hours, 6 minutes, 30 seconds.
• To count from 1 to 7,213,680,390 would take you about four hundred fifty-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 7213680390 cubic inches would be around 161 feet tall.

Recreational maths with 7213680390

• 7213680390 backwards is 0930863127
• The number of decimal digits it has is: 10
• The sum of 7213680390's digits is 39
• More coming soon!