189442220

Names of 189442220

• Cardinal: 189442220 can be written as One hundred eighty-nine million, four hundred forty-two thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.8944222 × 10⁸

Factors of 189442220

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 72

Divisors of 189442220

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 10 11 17 20 22 34 37 44 55 68 74 85 110 148 170 185 187 220 340 370 374 407 629 740 748 814 935 1258 1369 1628 1870 2035 2516 2738 3145 3740 4070 5476 6290 6845 6919 8140 12580 13690 13838 15059 23273 27380 27676 30118 34595 46546 50653 60236 69190 75295 93092 101306 116365 138380 150590 202612 232730 253265 256003 301180 465460 506530 512006 557183 861101 1013060 1024012 1114366 1280015 1722202 2228732 2560030 2785915 3444404 4305505 5120060 5571830 8611010 9472111 11143660 17222020 18944222 37888444 47360555 94721110 189442220
• Sum of all divisors σ(n): 472288320
• Sum of proper divisors (its aliquot sum) s(n): 282846100
• 189442220 is an abundant number, because the sum of its proper divisors (282846100) is greater than itself. Its abundance is 93403880

Bases of 189442220

• Binary: 1011010010101010100010101100₂
• Hexadecimal: 0xB4AA8AC
• Base-36: 34SEJW

Squares and roots of 189442220

• 189442220 squared (189442220²) is 35888354718528400
• 189442220 cubed (189442220³) is 6798769590025495229048000
• The square root of 189442220 is 13763.8010738313
• The cube root of 189442220 is 574.3265916113

Scales and comparisons

• 189,442,220 seconds is equal to 6 years, 1 week, 1 day, 14 hours, 50 minutes, 20 seconds.
• To count from 1 to 189,442,220 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 189442220 cubic inches would be around 47.9 feet tall.

Recreational maths with 189442220

• 189442220 backwards is 022244981
• The number of decimal digits it has is: 9
• The sum of 189442220's digits is 32
• More coming soon!