189290818890

Names of 189290818890

• Cardinal: 189290818890 can be written as One hundred eighty-nine billion, two hundred ninety million, eight hundred eighteen thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.8929081889 × 10¹¹

Factors of 189290818890

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 15297

Divisors of 189290818890

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 135 162 270 405 810 15287 30574 45861 76435 91722 137583 152870 229305 275166 412749 458610 687915 825498 1238247 1375830 2063745 2476494 4127490 6191235 12382470 233692369 467384738 701077107 1168461845 1402154214 2103231321 2336923690 3505385535 4206462642 6309693963 7010771070 10516156605 12619387926 18929081889 21032313210 31548469815 37858163778 63096939630 94645409445 189290818890
• Sum of all divisors σ(n): 509015276946
• Sum of proper divisors (its aliquot sum) s(n): 319724458056
• 189290818890 is an abundant number, because the sum of its proper divisors (319724458056) is greater than itself. Its abundance is 130433639166

Bases of 189290818890

• Binary: 10110000010010100111001010110101001010₂
• Hexadecimal: 0x2C129CAD4A
• Base-36: 2EYIV6MI

Squares and roots of 189290818890

• 189290818890 squared (189290818890²) is 35831014116046780832100
• 189290818890 cubed (189290818890³) is 6782482003685644633256564598369000
• The square root of 189290818890 is 435075.6473189463
• The cube root of 189290818890 is 5741.7355135427

Scales and comparisons

• 189,290,818,890 seconds is equal to 6,018 years, 44 weeks, 5 days, 23 hours, 1 minute, 30 seconds.
• To count from 1 to 189,290,818,890 would take you about twelve thousand and thirty-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 189290818890 cubic inches would be around 478.5 feet tall.

Recreational maths with 189290818890

• 189290818890 backwards is 098818092981
• The number of decimal digits it has is: 12
• The sum of 189290818890's digits is 63
• More coming soon!