28714140

Names of 28714140

• Cardinal: 28714140 can be written as Twenty-eight million, seven hundred fourteen thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.871414 × 10⁷

Factors of 28714140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1783

Divisors of 28714140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 45 52 60 63 65 70 78 84 90 91 105 117 126 130 140 156 180 182 195 210 234 252 260 273 315 364 390 420 455 468 546 585 630 780 819 910 1092 1170 1260 1365 1638 1753 1820 2340 2730 3276 3506 4095 5259 5460 7012 8190 8765 10518 12271 15777 16380 17530 21036 22789 24542 26295 31554 35060 36813 45578 49084 52590 61355 63108 68367 73626 78885 91156 105180 110439 113945 122710 136734 147252 157770 159523 184065 205101 220878 227890 245420 273468 315540 319046 341835 368130 410202 441756 455780 478569 552195 638092 683670 736260 797615 820404 957138 1025505 1104390 1367340 1435707 1595230 1914276 2051010 2208780 2392845 2871414 3190460 4102020 4785690 5742828 7178535 9571380 14357070 28714140
• Sum of all divisors σ(n): 107260608
• Sum of proper divisors (its aliquot sum) s(n): 78546468
• 28714140 is an abundant number, because the sum of its proper divisors (78546468) is greater than itself. Its abundance is 49832328

Bases of 28714140

• Binary: 1101101100010010010011100₂
• Hexadecimal: 0x1B6249C
• Base-36: H3FZ0

Squares and roots of 28714140

• 28714140 squared (28714140²) is 824501835939600
• 28714140 cubed (28714140³) is 23674861147426705944000
• The square root of 28714140 is 5358.5576417539
• The cube root of 28714140 is 306.2188617515

Scales and comparisons

• 28,714,140 seconds is equal to 47 weeks, 3 days, 8 hours, 9 minutes.
• To count from 1 to 28,714,140 would take you about nineteen 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 28714140 cubic inches would be around 25.5 feet tall.

Recreational maths with 28714140

• 28714140 backwards is 04141782
• The number of decimal digits it has is: 8
• The sum of 28714140's digits is 27
• More coming soon!