15665625 (number)

15665625 is an odd 8-digits composite number following 15665624 and preceding 15665626. In scientific notation, it is written as 1.5665625 × 10^7. The sum of its digits is 36. It has a total of 6 prime factors and 20 positive divisors. There are 8340000 positive integers (up to 15665625) that are relatively prime to 15665625.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-five thousand six hundred twenty-five

Notation

Scientific notation 1.5665625 × 10^7
Engineering notation 1.5665625 × 10^6

Prime Factorization of 15665625

Prime Factorization 45 × 5 × 5 × 5 × 5 × 557

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 125325
Product of the distinct prime numbers

The prime factorization of 15665625 is 45 × 5 × 5 × 5 × 5 × 557. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 5, 19, 20, 17, 407, 1488, 9941, 55031, 25970, 775991, 336203, 5999570, 6903183, 30882872, 97599705, 553314463, 180547161, 8886637574, 2170076858

Basic calculations (n = 15665625)

Multiplication

n×y
n×2 31331250
n×3 46996875
n×4 62662500
n×5 78328125

Division

n÷y
n÷2 7832812.5
n÷3 5221875
n÷3 3916406.25
n÷5 3133125

Exponentiation

ny
n2 245411806640625
n3 3.8445293334045E+21
n4 6.0226954838616E+28
n5 9.4349288939369E+35

Nth Root

y√n
2√n 3957.9824405876
3√n 250.21647915965
4√n 62.912498286013
5√n 27.478280040305

Divisors of 15665625

1, 5, 25, 45, 125, 225, 557, 625, 1125, 2785, 5625, 13925, 25065, 28125, 69625, 125325, 348125, 626625, 3133125, 15665625

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15665624
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15665625 can be divided by 20 positive divisors. The sum of these divisors (counting 15665625) is 1, the average is 0.05.

Base conversion 15665625

Base System Value
2 Binary 111011110000100111011001
3 Ternary 1002110220012100
4 Quaternary 323300213121
5 Quinary 13002300000
6 Senary 1315434013
8 Octal 73604731
10 Decimal 15665625
12 Duodecimal 52b5909
16 Hexadecimal ef09d9
20 Vigesimal 4hi415
36 Base36 9bro9

Cryptographic Hash Functions

md5 9dba6b98802e2e4aa912a5b0346bba58
sha1 743a4cd5068d634a74a6133468be7c82f852914a
sha256 ca06b594b63f6ba7dc2f04b021883777ada48da48fc10edf1e28d5bca75161c1
sha512 c9baafc9ef3273cc40e931b914c2adb2e76c0bef9dafb95ef062f984f8b5ffd9bec95c56c39b03af25b85bb7a47a01441052cb08e4777804ae51d56fbb9d58ab
ripemd-160 643588abdeaf137e5d20b3cedda3b7a090ad546c

15665625 as geometric shapes

Circle

Radius = n
Diameter 31331250
Circumference 98430024.827785
Area 7.7098392884639E+14

Sphere

Radius = n
Volume 1.6103926813779E+22
Surface area 3.0839357153855E+15
Circumference 98430024.827785

Square

Length = n
Perimeter 62662500
Area 245411806640625
Diagonal 22154539.338051

Cube

Length = n
Surface area 1472470839843750
Volume 3.8445293334045E+21
Space diagonal 27133658.432321

Equilateral Triangle

Length = n
Perimeter 46996875
Area 1.0626642946971E+14
Altitude 13566829.216161

Triangular Pyramid

Length = n
Surface area 1.0626642946971E+14
Volume 4.5308212702016E+20
Height 7384846.446017