189987869120

Names of 189987869120

• Cardinal: 189987869120 can be written as One hundred eighty-nine billion, nine hundred eighty-seven million, eight hundred sixty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.8998786912 × 10¹¹

Factors of 189987869120

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 84816027

Divisors of 189987869120

• Number of divisors d(n): 56
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 140 160 224 280 320 448 560 1120 2240 84816013 169632026 339264052 424080065 593712091 678528104 848160130 1187424182 1357056208 1696320260 2374848364 2714112416 2968560455 3392640520 4749696728 5428224832 5937120910 6785281040 9499393456 11874241820 13570562080 18998786912 23748483640 27141124160 37997573824 47496967280 94993934560 189987869120
• Sum of all divisors σ(n): 517038421344
• Sum of proper divisors (its aliquot sum) s(n): 327050552224
• 189987869120 is an abundant number, because the sum of its proper divisors (327050552224) is greater than itself. Its abundance is 137062683104

Bases of 189987869120

• Binary: 10110000111100001010001101000111000000₂
• Hexadecimal: 0x2C3C28D1C0
• Base-36: 2FA1VE0W

Squares and roots of 189987869120

• 189987869120 squared (189987869120²) is 36095390412758249574400
• 189987869120 cubed (189987869120³) is 6857686309574417098341402902528000
• The square root of 189987869120 is 435875.9790582639
• The cube root of 189987869120 is 5748.7747269013

Scales and comparisons

• 189,987,869,120 seconds is equal to 6,041 years, 1 week, 2 days, 16 hours, 5 minutes, 20 seconds.
• To count from 1 to 189,987,869,120 would take you about twelve thousand and eighty-two 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 189987869120 cubic inches would be around 479.1 feet tall.

Recreational maths with 189987869120

• 189987869120 backwards is 021968789981
• The number of decimal digits it has is: 12
• The sum of 189987869120's digits is 68
• More coming soon!