19489120920

Names of 19489120920

• Cardinal: 19489120920 can be written as Nineteen billion, four hundred eighty-nine million, one hundred twenty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.948912092 × 10¹⁰

Factors of 19489120920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1746378

Divisors of 19489120920

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 31 36 40 45 60 62 72 90 93 120 124 155 180 186 248 279 310 360 372 465 558 620 744 930 1116 1240 1395 1860 2232 2790 3720 5580 11160 1746337 3492674 5239011 6985348 8731685 10478022 13970696 15717033 17463370 20956044 26195055 31434066 34926740 41912088 52390110 54136447 62868132 69853480 78585165 104780220 108272894 125736264 157170330 162409341 209560440 216545788 270682235 314340660 324818682 433091576 487228023 541364470 628681320 649637364 812046705 974456046 1082728940 1299274728 1624093410 1948912092 2165457880 2436140115 3248186820 3897824184 4872280230 6496373640 9744560460 19489120920
• Sum of all divisors σ(n): 65382894720
• Sum of proper divisors (its aliquot sum) s(n): 45893773800
• 19489120920 is an abundant number, because the sum of its proper divisors (45893773800) is greater than itself. Its abundance is 26404652880

Bases of 19489120920

• Binary: 10010001001101001000110001010011000₂
• Hexadecimal: 0x489A46298
• Base-36: 8YBBHY0

Squares and roots of 19489120920

• 19489120920 squared (19489120920²) is 379825834234381646400
• 19489120920 cubed (19489120920³) is 7402471611933739528118282688000
• The square root of 19489120920 is 139603.4416481199
• The cube root of 19489120920 is 2691.1056624959

Scales and comparisons

• 19,489,120,920 seconds is equal to 619 years, 36 weeks, 12 hours, 42 minutes.
• To count from 1 to 19,489,120,920 would take you about one thousand, two hundred thirty-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 19489120920 cubic inches would be around 224.3 feet tall.

Recreational maths with 19489120920

• 19489120920 backwards is 02902198491
• 19489120920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19489120920's digits is 45
• More coming soon!