189040040

Names of 189040040

• Cardinal: 189040040 can be written as One hundred eighty-nine million, forty thousand and forty.

Scientific notation

• Scientific notation: 1.8904004 × 10⁸

Factors of 189040040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2300

Divisors of 189040040

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 35 40 43 49 56 70 86 98 140 172 196 215 245 280 301 344 392 430 490 602 860 980 1204 1505 1720 1960 2107 2243 2408 3010 4214 4486 6020 8428 8972 10535 11215 12040 15701 16856 17944 21070 22430 31402 42140 44860 62804 78505 84280 89720 96449 109907 125608 157010 192898 219814 314020 385796 439628 482245 549535 628040 675143 771592 879256 964490 1099070 1350286 1928980 2198140 2700572 3375715 3857960 4396280 4726001 5401144 6751430 9452002 13502860 18904004 23630005 27005720 37808008 47260010 94520020 189040040
• Sum of all divisors σ(n): 506515680
• Sum of proper divisors (its aliquot sum) s(n): 317475640
• 189040040 is an abundant number, because the sum of its proper divisors (317475640) is greater than itself. Its abundance is 128435600

Bases of 189040040

• Binary: 1011010001001000010110101000₂
• Hexadecimal: 0xB4485A8
• Base-36: 34JS88

Squares and roots of 189040040

• 189040040 squared (189040040²) is 35736136723201600
• 189040040 cubed (189040040³) is 6755560715599499392064000
• The square root of 189040040 is 13749.1832484699
• The cube root of 189040040 is 573.9198777715

Scales and comparisons

• 189,040,040 seconds is equal to 6 years, 3 days, 23 hours, 7 minutes, 20 seconds.
• To count from 1 to 189,040,040 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 189040040 cubic inches would be around 47.8 feet tall.

Recreational maths with 189040040

• 189040040 backwards is 040040981
• The number of decimal digits it has is: 9
• The sum of 189040040's digits is 26
• More coming soon!