1380216880

Names of 1380216880

• Cardinal: 1380216880 can be written as One billion, three hundred eighty million, two hundred sixteen thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.38021688 × 10⁹

Factors of 1380216880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 25520

Divisors of 1380216880

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 97 112 140 194 280 388 485 560 679 776 970 1358 1552 1940 2716 3395 3880 5432 6790 7760 10864 13580 25409 27160 50818 54320 101636 127045 177863 203272 254090 355726 406544 508180 711452 889315 1016360 1422904 1778630 2032720 2464673 2845808 3557260 4929346 7114520 9858692 12323365 14229040 17252711 19717384 24646730 34505422 39434768 49293460 69010844 86263555 98586920 138021688 172527110 197173840 276043376 345054220 690108440 1380216880
• Sum of all divisors σ(n): 3705387840
• Sum of proper divisors (its aliquot sum) s(n): 2325170960
• 1380216880 is an abundant number, because the sum of its proper divisors (2325170960) is greater than itself. Its abundance is 944954080

Bases of 1380216880

• Binary: 1010010010001000111000000110000₂
• Hexadecimal: 0x52447030
• Base-36: MTQU5S

Squares and roots of 1380216880

• 1380216880 squared (1380216880²) is 1904998635836934400
• 1380216880 cubed (1380216880³) is 2629311273559109786332672000
• The square root of 1380216880 is 37151.2702340041
• The cube root of 1380216880 is 1113.3946022273

Scales and comparisons

• 1,380,216,880 seconds is equal to 43 years, 46 weeks, 17 hours, 34 minutes, 40 seconds.
• To count from 1 to 1,380,216,880 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 1380216880 cubic inches would be around 92.8 feet tall.

Recreational maths with 1380216880

• 1380216880 backwards is 0886120831
• The number of decimal digits it has is: 10
• The sum of 1380216880's digits is 37
• More coming soon!