157142421 (number)

157142421 is an odd 9-digits composite number following 157142420 and preceding 157142422. In scientific notation, it is written as 1.57142421 × 10^8. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 104676480 positive integers (up to 157142421) that are relatively prime to 157142421.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million one hundred forty-two thousand four hundred twenty-one

Notation

Scientific notation 1.57142421 × 10^8
Engineering notation 1.57142421 × 10^6

Prime Factorization of 157142421

Prime Factorization 3 × 3 × 1361 × 12829

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 52380807
Product of the distinct prime numbers

The prime factorization of 157142421 is 3 × 3 × 1361 × 12829. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157142421)

Multiplication

n×y
n×2 314284842
n×3 471427263
n×4 628569684
n×5 785712105

Division

n÷y
n÷2 78571210.5
n÷3 52380807
n÷3 39285605.25
n÷5 31428484.2

Exponentiation

ny
n2 24693740477741241
n3 3.880434162218E+24
n4 6.0978081878204E+32
n5 9.5822434142771E+40

Nth Root

y√n
2√n 12535.646014466
3√n 539.63214659081
4√n 111.96269921034
5√n 43.577136405696

Divisors of 157142421

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157142420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157142421 can be divided by 12 positive divisors. The sum of these divisors (counting 157142421) is 1, the average is 0.083333333333333.

Base conversion 157142421

Base System Value
2 Binary 1001010111011100110110010101
3 Ternary 101221200122212200
4 Quaternary 21113130312111
5 Quinary 310212024141
6 Senary 23332035113
8 Octal 1127346625
10 Decimal 157142421
12 Duodecimal 44762a99
16 Hexadecimal 95dcd95
20 Vigesimal 2922g11
36 Base36 2lk3v9

Cryptographic Hash Functions

md5 629437281732e19e4747b4cb01ef6fba
sha1 0bccb27e718fac41d480bf459011ae03ab39e644
sha256 98e2fc8012c991233169ad41bd7c651298da20c00114dce91fc95db66bfe4034
sha512 39cffa50d9616dde0e5c285f2f556d11aa2c6ad22f9af1047814ab0e9870b6e57dcbed74794caedf338125a27bc0608dfdac2c03d5771f1ced69fddbe5a4f3a2
ripemd-160 f28c9f8d3ac26813ec02e0b3f8898b75209759c3

157142421 as geometric shapes

Circle

Radius = n
Diameter 314284842
Circumference 987354950.76183
Area 7.7577673674525E+16

Sphere

Radius = n
Volume 1.6254324609017E+25
Surface area 3.103106946981E+17
Circumference 987354950.76183

Square

Length = n
Perimeter 628569684
Area 24693740477741241
Diagonal 222232943.00234

Cube

Length = n
Surface area 148162442866447446
Volume 3.880434162218E+24
Space diagonal 272178657.19638

Equilateral Triangle

Length = n
Perimeter 471427263
Area 1.0692703284092E+16
Altitude 136089328.59819

Triangular Pyramid

Length = n
Surface area 1.0692703284092E+16
Volume 4.5731355167538E+23
Height 74077647.667448