1380656680

Names of 1380656680

• Cardinal: 1380656680 can be written as One billion, three hundred eighty million, six hundred fifty-six thousand, six hundred eighty.

Scientific notation

• Scientific notation: 1.38065668 × 10⁹

Factors of 1380656680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 3514

Divisors of 1380656680

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 13 20 26 40 52 65 104 130 260 520 1117 2234 2377 4468 4754 5585 8936 9508 11170 11885 14521 19016 22340 23770 29042 30901 44680 47540 58084 61802 72605 95080 116168 123604 145210 154505 247208 290420 309010 580840 618020 1236040 2655109 5310218 10620436 13275545 21240872 26551090 34516417 53102180 69032834 106204360 138065668 172582085 276131336 345164170 690328340 1380656680
• Sum of all divisors σ(n): 3349841040
• Sum of proper divisors (its aliquot sum) s(n): 1969184360
• 1380656680 is an abundant number, because the sum of its proper divisors (1969184360) is greater than itself. Its abundance is 588527680

Bases of 1380656680

• Binary: 1010010010010110010011000101000₂
• Hexadecimal: 0x524B2628
• Base-36: MU09IG

Squares and roots of 1380656680

• 1380656680 squared (1380656680²) is 1906212868028622400
• 1380656680 cubed (1380656680³) is 2631825529745675947757632000
• The square root of 1380656680 is 37157.1888064745
• The cube root of 1380656680 is 1113.5128490893

Scales and comparisons

• 1,380,656,680 seconds is equal to 43 years, 46 weeks, 5 days, 19 hours, 44 minutes, 40 seconds.
• To count from 1 to 1,380,656,680 would take you about eighty-seven 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 1380656680 cubic inches would be around 92.8 feet tall.

Recreational maths with 1380656680

• 1380656680 backwards is 0866560831
• The number of decimal digits it has is: 10
• The sum of 1380656680's digits is 43
• More coming soon!