189190890

Names of 189190890

• Cardinal: 189190890 can be written as One hundred eighty-nine million, one hundred ninety thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.8919089 × 10⁸

Factors of 189190890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 625

Divisors of 189190890

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 54 61 63 70 81 90 105 122 126 135 162 183 189 210 270 305 315 366 378 405 427 547 549 567 610 630 810 854 915 945 1094 1098 1134 1281 1641 1647 1830 1890 2135 2562 2735 2745 2835 3282 3294 3829 3843 4270 4923 4941 5470 5490 5670 6405 7658 7686 8205 8235 9846 9882 11487 11529 12810 14769 16410 16470 19145 19215 22974 23058 24615 24705 29538 33367 34461 34587 38290 38430 44307 49230 49410 57435 57645 66734 68922 69174 73845 88614 100101 103383 114870 115290 147690 166835 172305 172935 200202 206766 221535 233569 300303 310149 333670 344610 345870 443070 467138 500505 516915 600606 620298 700707 900909 1001010 1033830 1167845 1401414 1501515 1550745 1801818 2102121 2335690 2702727 3003030 3101490 3503535 4204242 4504545 5405454 6306363 7007070 9009090 10510605 12612726 13513635 18919089 21021210 27027270 31531815 37838178 63063630 94595445 189190890
• Sum of all divisors σ(n): 591997824
• Sum of proper divisors (its aliquot sum) s(n): 402806934
• 189190890 is an abundant number, because the sum of its proper divisors (402806934) is greater than itself. Its abundance is 213616044

Bases of 189190890

• Binary: 1011010001101101001011101010₂
• Hexadecimal: 0xB46D2EA
• Base-36: 34N0MI

Squares and roots of 189190890

• 189190890 squared (189190890²) is 35793192858992100
• 189190890 cubed (189190890³) is 6771746012934359901969000
• The square root of 189190890 is 13754.6679349231
• The cube root of 189190890 is 574.0724958717

Scales and comparisons

• 189,190,890 seconds is equal to 6 years, 5 days, 17 hours, 1 minute, 30 seconds.
• To count from 1 to 189,190,890 would take you about nine 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 189190890 cubic inches would be around 47.8 feet tall.

Recreational maths with 189190890

• 189190890 backwards is 098091981
• 189190890 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 189190890's digits is 45
• More coming soon!