28396480

Names of 28396480

• Cardinal: 28396480 can be written as Twenty-eight million, three hundred ninety-six thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.839648 × 10⁷

Factors of 28396480

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1825

Divisors of 28396480

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 80 98 112 140 160 196 224 245 280 320 392 448 490 560 784 980 1120 1568 1811 1960 2240 3136 3622 3920 7244 7840 9055 12677 14488 15680 18110 25354 28976 36220 50708 57952 63385 72440 88739 101416 115904 126770 144880 177478 202832 253540 289760 354956 405664 443695 507080 579520 709912 811328 887390 1014160 1419824 1774780 2028320 2839648 3549560 4056640 5679296 7099120 14198240 28396480
• Sum of all divisors σ(n): 78702408
• Sum of proper divisors (its aliquot sum) s(n): 50305928
• 28396480 is an abundant number, because the sum of its proper divisors (50305928) is greater than itself. Its abundance is 21909448

Bases of 28396480

• Binary: 1101100010100101111000000₂
• Hexadecimal: 0x1B14BC0
• Base-36: GWMV4

Squares and roots of 28396480

• 28396480 squared (28396480²) is 806360076390400
• 28396480 cubed (28396480³) is 22897787782018465792000
• The square root of 28396480 is 5328.8347694405
• The cube root of 28396480 is 305.0854548689

Scales and comparisons

• 28,396,480 seconds is equal to 46 weeks, 6 days, 15 hours, 54 minutes, 40 seconds.
• To count from 1 to 28,396,480 would take you about eighteen 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 28396480 cubic inches would be around 25.4 feet tall.

Recreational maths with 28396480

• 28396480 backwards is 08469382
• 28396480 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 28396480's digits is 40
• More coming soon!