156945021 (number)

156945021 is an odd 9-digits composite number following 156945020 and preceding 156945022. In scientific notation, it is written as 1.56945021 × 10^8. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 102366000 positive integers (up to 156945021) that are relatively prime to 156945021.

Interesting facts

Basic properties

Name

Name one hundred fifty-six million nine hundred forty-five thousand twenty-one

Notation

Scientific notation 1.56945021 × 10^8
Engineering notation 1.56945021 × 10^6

Prime Factorization of 156945021

Prime Factorization 3 × 67 × 151 × 5171

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 156945021
Product of the distinct prime numbers

The prime factorization of 156945021 is 3 × 67 × 151 × 5171. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 156945021)

Multiplication

n×y
n×2 313890042
n×3 470835063
n×4 627780084
n×5 784725105

Division

n÷y
n÷2 78472510.5
n÷3 52315007
n÷3 39236255.25
n÷5 31389004.2

Exponentiation

ny
n2 24631739616690441
n3 3.865828891408E+24
n4 6.0672259654444E+32
n5 9.5222090655841E+40

Nth Root

y√n
2√n 12527.769993099
3√n 539.40609258498
4√n 111.92752116034
5√n 43.566182708689

Divisors of 156945021

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -156945020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 156945021 can be divided by 16 positive divisors. The sum of these divisors (counting 156945021) is 1, the average is 0.0625.

Base conversion 156945021

Base System Value
2 Binary 1001010110101100101001111101
3 Ternary 101221022122002120
4 Quaternary 21112230221331
5 Quinary 310134220041
6 Senary 23323513153
8 Octal 1126545175
10 Decimal 156945021
12 Duodecimal 446887b9
16 Hexadecimal 95aca7d
20 Vigesimal 290i2b1
36 Base36 2lfvjx

Cryptographic Hash Functions

md5 e119e2a74437fcd39f890b534fc443bf
sha1 4072b1d3d8cc73e3ecb2eb5b8d19ba7c9bd68cd1
sha256 349b40303f185e5dcb4c894feb8c7bb67e0cf35892c57392f2fef5fbca582e44
sha512 14ee800e7c5dcb34992b5e05c924fe7f4524202cdc86ac55f0774cc5ae18c0299732a8955cf74a5bfe5b25a7a1f118d31f2bb897b9fad3f0b4ae0316c570aef1
ripemd-160 590b39e4729fb42290d443aacffb63044ab2e249

156945021 as geometric shapes

Circle

Radius = n
Diameter 313890042
Circumference 986114649.98219
Area 7.7382892224931E+16

Sphere

Radius = n
Volume 1.619314619371E+25
Surface area 3.0953156889973E+17
Circumference 986114649.98219

Square

Length = n
Perimeter 627780084
Area 24631739616690441
Diagonal 221953777.24513

Cube

Length = n
Surface area 147790437700142646
Volume 3.865828891408E+24
Space diagonal 271836750.36696

Equilateral Triangle

Length = n
Perimeter 470835063
Area 1.0665856123729E+16
Altitude 135918375.18348

Triangular Pyramid

Length = n
Surface area 1.0665856123729E+16
Volume 4.5559230400358E+23
Height 73984592.415043