15391390 (number)

15391390 is an even 8-digits composite number following 15391389 and preceding 15391391. In scientific notation, it is written as 1.5391390 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors. There are 5208000 positive integers (up to 15391390) that are relatively prime to 15391390.

Interesting facts

Basic properties

Name

Name fifteen million three hundred ninety-one thousand three hundred ninety

Notation

Scientific notation 1.5391390 × 10^7
Engineering notation 1.5391390 × 10^6

Prime Factorization of 15391390

Prime Factorization 2 × 35 × 7 × 101 × 311

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 15391390
Product of the distinct prime numbers

The prime factorization of 15391390 is 2 × 35 × 7 × 101 × 311. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 4, 85, 95, 785, 187, 4014, 4915, 38569, 86706, 490910, 373882, 3714339, 6538654, 43031291, 24613175, 828017857, 964581348, 2871466695, 8289392861

Basic calculations (n = 15391390)

Multiplication

n×y
n×2 30782780
n×3 46174170
n×4 61565560
n×5 76956950

Division

n÷y
n÷2 7695695
n÷3 5130463.3333333
n÷3 3847847.5
n÷5 3078278

Exponentiation

ny
n2 236894886132100
n3 3.6461415814647E+21
n4 5.6119187075541E+28
n5 8.6375229476261E+35

Nth Root

y√n
2√n 3923.1862051144
3√n 248.74781863865
4√n 62.63534309888
5√n 27.381394886761

Divisors of 15391390

1, 2, 7, 14, 35, 70, 101, 202, 245, 311, 490, 622, 707, 1414, 2177, 3535, 4354, 7070, 10885, 21770, 24745, 31411, 49490, 62822, 76195, 152390, 219877, 439754, 1099385, 2198770, 7695695, 15391390

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15391389
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15391390 can be divided by 32 positive divisors. The sum of these divisors (counting 15391390) is 1, the average is 0.03125.

Base conversion 15391390

Base System Value
2 Binary 111010101101101010011110
3 Ternary 1001221222000111
4 Quaternary 322231222132
5 Quinary 12420011030
6 Senary 1305520234
8 Octal 72555236
10 Decimal 15391390
12 Duodecimal 51a307a
16 Hexadecimal eada9e
20 Vigesimal 4g3i9a
36 Base36 95w2m

Cryptographic Hash Functions

md5 24e6005e84e2965933c362e237dcfdd0
sha1 994dd1ea774a958bb8f7e70a48b8cf0cba640b48
sha256 503a7ffac1fb91b6969e9365e0b4b243790ea809e7fe2c023a3d980ea52ab3de
sha512 2762ed84851d7aab0ff27dd01379b0204f68e1da1788f59af40fd3bbe596fbe75864a8ca235638f24318dbc21a37f21efb7241f5a10cc760128a96c0564890b5
ripemd-160 c120c1a6d0f36a58bd32caa96ea5f8008f05f04f

15391390 as geometric shapes

Circle

Radius = n
Diameter 30782780
Circumference 96706955.505071
Area 7.442272339456E+14

Sphere

Radius = n
Volume 1.5272922141704E+22
Surface area 2.9769089357824E+15
Circumference 96706955.505071

Square

Length = n
Perimeter 61565560
Area 236894886132100
Diagonal 21766712.481774

Cube

Length = n
Surface area 1421369316792600
Volume 3.6461415814647E+21
Space diagonal 26658669.479108

Equilateral Triangle

Length = n
Perimeter 46174170
Area 1.0257849470851E+14
Altitude 13329334.739554

Triangular Pyramid

Length = n
Surface area 1.0257849470851E+14
Volume 4.2970190623666E+20
Height 7255570.8272579