15396981 (number)

15396981 is an odd 8-digits composite number following 15396980 and preceding 15396982. In scientific notation, it is written as 1.5396981 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 10264652 positive integers (up to 15396981) that are relatively prime to 15396981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5396981 × 10^7
Engineering notation 1.5396981 × 10^6

Prime Factorization of 15396981

Prime Factorization 3 × 5132327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15396981
Product of the distinct prime numbers

The prime factorization of 15396981 is 3 × 5132327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15396981)

Multiplication

n×y
n×2 30793962
n×3 46190943
n×4 61587924
n×5 76984905

Division

n÷y
n÷2 7698490.5
n÷3 5132327
n÷3 3849245.25
n÷5 3079396.2

Exponentiation

ny
n2 237067023914361
n3 3.650116462936E+21
n4 5.6200773827612E+28
n5 8.6532224680904E+35

Nth Root

y√n
2√n 3923.8986989982
3√n 248.77793462534
4√n 62.641030475226
5√n 27.383383883719

Divisors of 15396981

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 -15396980
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 15396981 can be divided by 4 positive divisors. The sum of these divisors (counting 15396981) is 1, the average is 0.25.

Base conversion 15396981

Base System Value
2 Binary 111010101111000001110101
3 Ternary 1001222020200120
4 Quaternary 322233001311
5 Quinary 12420200411
6 Senary 1310002153
8 Octal 72570165
10 Decimal 15396981
12 Duodecimal 51a6359
16 Hexadecimal eaf075
20 Vigesimal 4g4c91
36 Base36 960dx

Cryptographic Hash Functions

md5 68a3fa5319eced4055a04b98ce87b7e2
sha1 fb9948e2cbc78a2199bd4f6aa7b01741291472e8
sha256 5968c0d312f7fe864e45cbb6fb9ab76896d8810f79afdc6fab432955d2f56730
sha512 ef34d4ca2fec40acbd84abf206c1c505f2868eef2cf778974425c0b3f9a01b575b565b2c87ebe4ddbea2e8dbb793cb629be09cafcf733a760574a005f46f972d
ripemd-160 1d55a11e96a833e963125b0252bc77b5a0ab0907

15396981 as geometric shapes

Circle

Radius = n
Diameter 30793962
Circumference 96742084.794123
Area 7.4476802073775E+14

Sphere

Radius = n
Volume 1.5289572086276E+22
Surface area 2.979072082951E+15
Circumference 96742084.794123

Square

Length = n
Perimeter 61587924
Area 237067023914361
Diagonal 21774619.349801

Cube

Length = n
Surface area 1422402143486166
Volume 3.650116462936E+21
Space diagonal 26668353.375173

Equilateral Triangle

Length = n
Perimeter 46190943
Area 1.026530325547E+14
Altitude 13334176.687586

Triangular Pyramid

Length = n
Surface area 1.026530325547E+14
Volume 4.3017035051045E+20
Height 7258206.4499336