123393934720

Names of 123393934720

• Cardinal: 123393934720 can be written as One hundred twenty-three billion, three hundred ninety-three million, nine hundred thirty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.2339393472 × 10¹¹

Factors of 123393934720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 27543303

Divisors of 123393934720

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 280 320 448 560 640 896 1120 2240 4480 27543289 55086578 110173156 137716445 192803023 220346312 275432890 385606046 440692624 550865780 771212092 881385248 964015115 1101731560 1542424184 1762770496 1928030230 2203463120 3084848368 3525540992 3856060460 4406926240 6169696736 7712120920 8813852480 12339393472 15424241840 17627704960 24678786944 30848483680 61696967360 123393934720
• Sum of all divisors σ(n): 337129869600
• Sum of proper divisors (its aliquot sum) s(n): 213735934880
• 123393934720 is an abundant number, because the sum of its proper divisors (213735934880) is greater than itself. Its abundance is 90342000160

Bases of 123393934720

• Binary: 1110010111010110110100000010110000000₂
• Hexadecimal: 0x1CBADA0580
• Base-36: 1KOPK9DS

Squares and roots of 123393934720

• 123393934720 squared (123393934720²) is 15226063125683621478400
• 123393934720 cubed (123393934720³) is 1878803839373203944078879490048000
• The square root of 123393934720 is 351274.7282683455
• The cube root of 123393934720 is 4978.4934223233

Scales and comparisons

• 123,393,934,720 seconds is equal to 3,923 years, 28 weeks, 2 days, 12 hours, 58 minutes, 40 seconds.
• To count from 1 to 123,393,934,720 would take you about seven thousand, eight hundred forty-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 123393934720 cubic inches would be around 414.9 feet tall.

Recreational maths with 123393934720

• 123393934720 backwards is 027439393321
• The number of decimal digits it has is: 12
• The sum of 123393934720's digits is 46
• More coming soon!