1380051890

Names of 1380051890

• Cardinal: 1380051890 can be written as One billion, three hundred eighty million, fifty-one thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.38005189 × 10⁹

Factors of 1380051890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 544

Divisors of 1380051890

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 5 7 10 14 19 35 38 43 59 70 86 95 118 133 190 215 266 295 301 409 413 430 590 602 665 817 818 826 1121 1330 1505 1634 2045 2065 2242 2537 2863 3010 4085 4090 4130 5074 5605 5719 5726 7771 7847 8170 11210 11438 12685 14315 15542 15694 17587 17759 24131 25370 28595 28630 35174 35518 38855 39235 48203 48262 54397 57190 77710 78470 87935 88795 96406 108794 120655 123109 168917 175870 177590 241015 241310 246218 271985 334153 337421 337834 458489 482030 543970 615545 668306 674842 844585 916978 1037633 1231090 1670765 1687105 1689170 2075266 2292445 2339071 3209423 3341530 3374210 4584890 4678142 5188165 6418846 7263431 10376330 11695355 14526862 16047115 19715027 23390710 32094230 36317155 39430054 72634310 98575135 138005189 197150270 276010378 690025945 1380051890
• Sum of all divisors σ(n): 3117312000
• Sum of proper divisors (its aliquot sum) s(n): 1737260110
• 1380051890 is an abundant number, because the sum of its proper divisors (1737260110) is greater than itself. Its abundance is 357208220

Bases of 1380051890

• Binary: 1010010010000011110101110110010₂
• Hexadecimal: 0x5241EBB2
• Base-36: MTNAUQ

Squares and roots of 1380051890

• 1380051890 squared (1380051890²) is 1904543219092572100
• 1380051890 cubed (1380051890³) is 2628368469095388211566269000
• The square root of 1380051890 is 37149.0496513707
• The cube root of 1380051890 is 1113.3502356987

Scales and comparisons

• 1,380,051,890 seconds is equal to 43 years, 45 weeks, 5 days, 19 hours, 44 minutes, 50 seconds.
• To count from 1 to 1,380,051,890 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 1380051890 cubic inches would be around 92.8 feet tall.

Recreational maths with 1380051890

• 1380051890 backwards is 0981500831
• 1380051890 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1380051890's digits is 35
• More coming soon!