54721940

Names of 54721940

• Cardinal: 54721940 can be written as Fifty-four million, seven hundred twenty-one thousand, nine hundred forty.

Scientific notation

• Scientific notation: 5.472194 × 10⁷

Factors of 54721940

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 415

Divisors of 54721940

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 35 52 65 70 91 107 130 140 182 214 260 281 364 428 455 535 562 749 910 1070 1124 1391 1405 1498 1820 1967 2140 2782 2810 2996 3653 3745 3934 5564 5620 6955 7306 7490 7868 9737 9835 13910 14612 14980 18265 19474 19670 25571 27820 30067 36530 38948 39340 48685 51142 60134 73060 97370 102284 120268 127855 150335 194740 210469 255710 300670 390871 420938 511420 601340 781742 841876 1052345 1563484 1954355 2104690 2736097 3908710 4209380 5472194 7817420 10944388 13680485 27360970 54721940
• Sum of all divisors σ(n): 143265024
• Sum of proper divisors (its aliquot sum) s(n): 88543084
• 54721940 is an abundant number, because the sum of its proper divisors (88543084) is greater than itself. Its abundance is 33821144

Bases of 54721940

• Binary: 11010000101111110110010100₂
• Hexadecimal: 0x342FD94
• Base-36: WKVPW

Squares and roots of 54721940

• 54721940 squared (54721940²) is 2994490717363600
• 54721940 cubed (54721940³) is 163864341366127877384000
• The square root of 54721940 is 7397.4279313827
• The cube root of 54721940 is 379.6532848585

Scales and comparisons

• 54,721,940 seconds is equal to 1 year, 38 weeks, 3 days, 8 hours, 32 minutes, 20 seconds.
• To count from 1 to 54,721,940 would take you about two 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 54721940 cubic inches would be around 31.6 feet tall.

Recreational maths with 54721940

• 54721940 backwards is 04912745
• The number of decimal digits it has is: 8
• The sum of 54721940's digits is 32
• More coming soon!