15391391 (number)

15391391 is an odd 8-digits composite number following 15391390 and preceding 15391392. In scientific notation, it is written as 1.5391391 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 15255072 positive integers (up to 15391391) that are relatively prime to 15391391.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5391391 × 10^7
Engineering notation 1.5391391 × 10^6

Prime Factorization of 15391391

Prime Factorization 113 × 136207

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15391391
Product of the distinct prime numbers

The prime factorization of 15391391 is 113 × 136207. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15391391)

Multiplication

n×y
n×2 30782782
n×3 46174173
n×4 61565564
n×5 76956955

Division

n÷y
n÷2 7695695.5
n÷3 5130463.6666667
n÷3 3847847.75
n÷5 3078278.2

Exponentiation

ny
n2 236894916914881
n3 3.6461422921494E+21
n4 5.6119201660108E+28
n5 8.6375257535858E+35

Nth Root

y√n
2√n 3923.1863325618
3√n 248.74782402581
4√n 62.635344116256
5√n 27.381395242562

Divisors of 15391391

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15391390
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15391391 can be divided by 4 positive divisors. The sum of these divisors (counting 15391391) is 1, the average is 0.25.

Base conversion 15391391

Base System Value
2 Binary 111010101101101010011111
3 Ternary 1001221222000112
4 Quaternary 322231222133
5 Quinary 12420011031
6 Senary 1305520235
8 Octal 72555237
10 Decimal 15391391
12 Duodecimal 51a307b
16 Hexadecimal eada9f
20 Vigesimal 4g3i9b
36 Base36 95w2n

Cryptographic Hash Functions

md5 8e331a4574d076996d3b8838ac527783
sha1 5b89607dd9c38464a8af03689caa57712bf9decd
sha256 6d3348012be4144e3071c6d3ee366860ec190dc0117783d34747b91447b214a0
sha512 321889b0cfbb43a38c503a69ed0abdc4a22331f7a33075465add073b0fce58cabfc27577ff2de147a818b9ffdf05801d03140da2c581096a3c5424bc86b36849
ripemd-160 779c07ddbfaf63dda4a9cdfeab405c2487121bf9

15391391 as geometric shapes

Circle

Radius = n
Diameter 30782782
Circumference 96706961.788256
Area 7.4422733065255E+14

Sphere

Radius = n
Volume 1.5272925118613E+22
Surface area 2.9769093226102E+15
Circumference 96706961.788256

Square

Length = n
Perimeter 61565564
Area 236894916914881
Diagonal 21766713.895987

Cube

Length = n
Surface area 1421369501489286
Volume 3.6461422921494E+21
Space diagonal 26658671.211158

Equilateral Triangle

Length = n
Perimeter 46174173
Area 1.0257850803785E+14
Altitude 13329335.605579

Triangular Pyramid

Length = n
Surface area 1.0257850803785E+14
Volume 4.2970198999166E+20
Height 7255571.2986624