3840 (number)

3840 is an even 4-digits composite number following 3839 and preceding 3841. In scientific notation, it is written as 3.840 × 10^3. The sum of its digits is 15. It has a total of 10 prime factors and 36 positive divisors. There are 1024 positive integers (up to 3840) that are relatively prime to 3840.

Interesting facts

Basic properties

Name

Name three thousand eight hundred forty

Notation

Scientific notation 3.840 × 10^3
Engineering notation 3.840 × 10^3

Prime Factorization of 3840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 30
Product of the distinct prime numbers

The prime factorization of 3840 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5. Since it has a total of 10 prime factors.

Most popular turbo-numbers

3, 3, 43, 35, 589, 993, 6122, 5908, 86747, 71466, 114274, 323966, 4088364, 5933574, 46647917, 53964811, 898650962, 377732946, 6058916180, 5311333068

Basic calculations (n = 3840)

Multiplication

n×y
n×2 7680
n×3 11520
n×4 15360
n×5 19200

Division

n÷y
n÷2 1920
n÷3 1280
n÷3 960
n÷5 768

Exponentiation

ny
n2 14745600
n3 56623104000
n4 217432719360000
n5 834941642342400000

Nth Root

y√n
2√n 61.967733539319
3√n 15.659470564675
4√n 7.8719586850617
5√n 5.2103421693947

Divisors of 3840

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -3839
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 3840 can be divided by 36 positive divisors. The sum of these divisors (counting 3840) is 1, the average is 0.027777777777778.

Base conversion 3840

Base System Value
2 Binary 111100000000
3 Ternary 12021020
4 Quaternary 330000
5 Quinary 110330
6 Senary 25440
8 Octal 7400
10 Decimal 3840
12 Duodecimal 2280
16 Hexadecimal f00
20 Vigesimal 9c0
36 Base36 2yo

Cryptographic Hash Functions

md5 dfa037a53e121ecc9e0926800c3e814e
sha1 3d01c313c38258a1b78a7c1a4a662e0c10588d84
sha256 13105809c5b30ef11331cc0b62b71c70623c0353e7c32de4cf1d6d589bf3f286
sha512 b149fe4774b2a5ad26539318c6f06d1930216b1cd4678dfc39590e1757f0b41b5182669a94f1034812e54bf9b1a88c02eb0a773dda12c2c68e50ed7d96da672a
ripemd-160 c6f6cc4cfc56532c23b6d8156ebd8a3ec53d86e4

3840 as geometric shapes

Circle

Radius = n
Diameter 7680
Circumference 24127.43157957
Area 46324668.632774

Sphere

Radius = n
Volume 237182303399.8
Surface area 185298674.53109
Circumference 24127.43157957

Square

Length = n
Perimeter 15360
Area 14745600
Diagonal 5430.5800795127

Cube

Length = n
Surface area 88473600
Volume 56623104000
Space diagonal 6651.0751010645

Equilateral Triangle

Length = n
Perimeter 11520
Area 6385032.0970219
Altitude 3325.5375505322

Triangular Pyramid

Length = n
Surface area 6385032.0970219
Volume 6673096801.7052
Height 1810.1933598376