28074720

Names of 28074720

• Cardinal: 28074720 can be written as Twenty-eight million, seventy-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.807472 × 10⁷

Factors of 28074720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2576

Divisors of 28074720

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 69 80 92 96 115 120 138 160 184 230 240 276 345 368 460 480 552 690 736 920 1104 1380 1840 2208 2543 2760 3680 5086 5520 7629 10172 11040 12715 15258 20344 25430 30516 38145 40688 50860 58489 61032 76290 81376 101720 116978 122064 152580 175467 203440 233956 244128 292445 305160 350934 406880 467912 584890 610320 701868 877335 935824 1169780 1220640 1403736 1754670 1871648 2339560 2807472 3509340 4679120 5614944 7018680 9358240 14037360 28074720
• Sum of all divisors σ(n): 92316672
• Sum of proper divisors (its aliquot sum) s(n): 64241952
• 28074720 is an abundant number, because the sum of its proper divisors (64241952) is greater than itself. Its abundance is 36167232

Bases of 28074720

• Binary: 1101011000110001011100000₂
• Hexadecimal: 0x1AC62E0
• Base-36: GPQLC

Squares and roots of 28074720

• 28074720 squared (28074720²) is 788189903078400
• 28074720 cubed (28074720³) is 22128210835753218048000
• The square root of 28074720 is 5298.5582944797
• The cube root of 28074720 is 303.9287690913

Scales and comparisons

• 28,074,720 seconds is equal to 46 weeks, 2 days, 22 hours, 32 minutes.
• To count from 1 to 28,074,720 would take you about seventeen weeks!

  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 28074720 cubic inches would be around 25.3 feet tall.

Recreational maths with 28074720

• 28074720 backwards is 02747082
• 28074720 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28074720's digits is 30
• More coming soon!