123928830

Names of 123928830

• Cardinal: 123928830 can be written as One hundred twenty-three million, nine hundred twenty-eight thousand, eight hundred thirty.

Scientific notation

• Scientific notation: 1.2392883 × 10⁸

Factors of 123928830

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 189

Divisors of 123928830

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 23 30 38 45 46 57 69 90 95 114 115 137 138 171 190 207 230 274 285 342 345 411 414 437 529 570 685 690 822 855 874 1035 1058 1233 1311 1370 1587 1710 2055 2070 2185 2466 2603 2622 2645 3151 3174 3933 4110 4370 4761 5206 5290 6165 6302 6555 7809 7866 7935 9453 9522 10051 12330 13015 13110 15618 15755 15870 18906 19665 20102 23427 23805 26030 28359 30153 31510 39045 39330 46854 47265 47610 50255 56718 59869 60306 72473 78090 90459 94530 100510 117135 119738 141795 144946 150765 179607 180918 217419 234270 283590 299345 301530 359214 362365 434838 452295 538821 598690 652257 724730 898035 904590 1077642 1087095 1304514 1376987 1796070 2174190 2694105 2753974 3261285 4130961 5388210 6522570 6884935 8261922 12392883 13769870 20654805 24785766 41309610 61964415 123928830
• Sum of all divisors σ(n): 357149520
• Sum of proper divisors (its aliquot sum) s(n): 233220690
• 123928830 is an abundant number, because the sum of its proper divisors (233220690) is greater than itself. Its abundance is 109291860

Bases of 123928830

• Binary: 111011000110000000011111110₂
• Hexadecimal: 0x76300FE
• Base-36: 21S83I

Squares and roots of 123928830

• 123928830 squared (123928830²) is 15358354905168900
• 123928830 cubed (123928830³) is 1903342954122342729387000
• The square root of 123928830 is 11132.3326396583
• The cube root of 123928830 is 498.5676741365

Scales and comparisons

• 123,928,830 seconds is equal to 3 years, 48 weeks, 6 days, 8 hours, 40 minutes, 30 seconds.
• To count from 1 to 123,928,830 would take you about five 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 123928830 cubic inches would be around 41.5 feet tall.

Recreational maths with 123928830

• 123928830 backwards is 038829321
• The number of decimal digits it has is: 9
• The sum of 123928830's digits is 36
• More coming soon!