49140

Names of 49140

• Cardinal: 49140 can be written as Forty-nine thousand, one hundred forty.

Scientific notation

• Scientific notation: 4.914 × 10⁴

Factors of 49140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 30

Divisors of 49140

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 27 28 30 35 36 39 42 45 52 54 60 63 65 70 78 84 90 91 105 108 117 126 130 135 140 156 180 182 189 195 210 234 252 260 270 273 315 351 364 378 390 420 455 468 540 546 585 630 702 756 780 819 910 945 1092 1170 1260 1365 1404 1638 1755 1820 1890 2340 2457 2730 3276 3510 3780 4095 4914 5460 7020 8190 9828 12285 16380 24570 49140
• Sum of all divisors σ(n): 188160
• Sum of proper divisors (its aliquot sum) s(n): 139020
• 49140 is an abundant number, because the sum of its proper divisors (139020) is greater than itself. Its abundance is 89880

Bases of 49140

• Binary: 1011111111110100₂
• Hexadecimal: 0xBFF4
• Base-36: 11X0

Squares and roots of 49140

• 49140 squared (49140²) is 2414739600
• 49140 cubed (49140³) is 118660303944000
• The square root of 49140 is 221.6754384229
• The cube root of 49140 is 36.6278744925

Scales and comparisons

• 49,140 seconds is equal to 13 hours, 39 minutes.
• To count from 1 to 49,140 would take you about thirteen hours.

  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 49140 cubic inches would be around 3.1 feet tall.

Recreational maths with 49140

• 49140 backwards is 04194
• 49140 is a Harshad number.
• The number of decimal digits it has is: 5
• The sum of 49140's digits is 18
• More coming soon!