15391381 (number)

15391381 is an odd 8-digits prime number following 15391380 and preceding 15391382. In scientific notation, it is written as 1.5391381 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 15391380 positive integers (up to 15391381) that are relatively prime to 15391381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5391381 × 10^7
Engineering notation 1.5391381 × 10^6

Prime Factorization of 15391381

Prime Factorization 15391381

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 15391381
Product of the distinct prime numbers

The prime factorization of 15391381 is 15391381. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15391381)

Multiplication

n×y
n×2 30782762
n×3 46174143
n×4 61565524
n×5 76956905

Division

n÷y
n÷2 7695690.5
n÷3 5130460.3333333
n÷3 3847845.25
n÷5 3078276.2

Exponentiation

ny
n2 236894609087161
n3 3.6461351853066E+21
n4 5.6119055814559E+28
n5 8.6374976940214E+35

Nth Root

y√n
2√n 3923.1850580874
3√n 248.74777015417
4√n 62.635333942491
5√n 27.381391684547

Divisors of 15391381

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 15391382
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 7695691
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 3923.1851855348
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999998700572
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15391381 can be divided by 2 positive divisors. The sum of these divisors (counting 15391381) is 15391382, the average is 7695691.

Base conversion 15391381

Base System Value
2 Binary 111010101101101010010101
3 Ternary 1001221222000011
4 Quaternary 322231222111
5 Quinary 12420011011
6 Senary 1305520221
8 Octal 72555225
10 Decimal 15391381
12 Duodecimal 51a3071
16 Hexadecimal eada95
20 Vigesimal 4g3i91
36 Base36 95w2d

Cryptographic Hash Functions

md5 bff69ac0685435f41c0505748a9012b7
sha1 7b4d963b9781064f040b26f475402b98809c7210
sha256 a966f24893c78dab62f06643e3afa4e96685439c0745af7bf1891a2464bde444
sha512 17ce0b44e5d454b8b018c43b1774ba6c1a09201bffa999a197846f345c1d30001b31009f4a157e665c963dadd885370a869e8d4fa5499119576cae827b0ee327
ripemd-160 7f93ec1c8e86bcb7932f78361be672a0f3a68f22

15391381 as geometric shapes

Circle

Radius = n
Diameter 30782762
Circumference 96706898.956403
Area 7.4422636358325E+14

Sphere

Radius = n
Volume 1.5272895349539E+22
Surface area 2.976905454333E+15
Circumference 96706898.956403

Square

Length = n
Perimeter 61565524
Area 236894609087161
Diagonal 21766699.753852

Cube

Length = n
Surface area 1421367654522966
Volume 3.6461351853066E+21
Space diagonal 26658653.89065

Equilateral Triangle

Length = n
Perimeter 46174143
Area 1.0257837474453E+14
Altitude 13329326.945325

Triangular Pyramid

Length = n
Surface area 1.0257837474453E+14
Volume 4.2970115244219E+20
Height 7255566.5846172