1399920

Names of 1399920

• Cardinal: 1399920 can be written as One million, three hundred ninety-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.39992 × 10⁶

Factors of 1399920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 336

Divisors of 1399920

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 19 20 24 30 38 40 48 57 60 76 80 95 114 120 152 190 228 240 285 304 307 380 456 570 614 760 912 921 1140 1228 1520 1535 1842 2280 2456 3070 3684 4560 4605 4912 5833 6140 7368 9210 11666 12280 14736 17499 18420 23332 24560 29165 34998 36840 46664 58330 69996 73680 87495 93328 116660 139992 174990 233320 279984 349980 466640 699960 1399920
• Sum of all divisors σ(n): 4583040
• Sum of proper divisors (its aliquot sum) s(n): 3183120
• 1399920 is an abundant number, because the sum of its proper divisors (3183120) is greater than itself. Its abundance is 1783200

Bases of 1399920

• Binary: 101010101110001110000₂
• Hexadecimal: 0x155C70
• Base-36: U06O

Squares and roots of 1399920

• 1399920 squared (1399920²) is 1959776006400
• 1399920 cubed (1399920³) is 2743529626879488000
• The square root of 1399920 is 1183.1821499667
• The cube root of 1399920 is 111.8667633315

Scales and comparisons

• 1,399,920 seconds is equal to 2 weeks, 2 days, 4 hours, 52 minutes.
• To count from 1 to 1,399,920 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 1399920 cubic inches would be around 9.3 feet tall.

Recreational maths with 1399920

• 1399920 backwards is 0299931
• The number of decimal digits it has is: 7
• The sum of 1399920's digits is 33
• More coming soon!