157421 (number)

157421 is an odd 6-digits composite number following 157420 and preceding 157422. In scientific notation, it is written as 1.57421 × 10^5. The sum of its digits is 20. It has a total of 3 prime factors and 6 positive divisors. There are 143000 positive integers (up to 157421) that are relatively prime to 157421.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven thousand four hundred twenty-one

Notation

Scientific notation 1.57421 × 10^5
Engineering notation 1.57421 × 10^3

Prime Factorization of 157421

Prime Factorization 11 × 11 × 1301

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 14311
Product of the distinct prime numbers

The prime factorization of 157421 is 11 × 11 × 1301. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157421)

Multiplication

n×y
n×2 314842
n×3 472263
n×4 629684
n×5 787105

Division

n÷y
n÷2 78710.5
n÷3 52473.666666667
n÷3 39355.25
n÷5 31484.2

Exponentiation

ny
n2 24781371241
n3 3901108242129461
n4 6.1411636058426E+20
n5 9.6674811599535E+25

Nth Root

y√n
2√n 396.76315353117
3√n 53.995084143265
4√n 19.918914466686
5√n 10.949960016798

Divisors of 157421

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157421 can be divided by 6 positive divisors. The sum of these divisors (counting 157421) is 1, the average is 0.16666666666667.

Base conversion 157421

Base System Value
2 Binary 100110011011101101
3 Ternary 21222221102
4 Quaternary 212123231
5 Quinary 20014141
6 Senary 3212445
8 Octal 463355
10 Decimal 157421
12 Duodecimal 77125
16 Hexadecimal 266ed
20 Vigesimal jdb1
36 Base36 3dgt

Cryptographic Hash Functions

md5 196fe66105407aee65eb04d1eb1a0482
sha1 8f179488d661abfa658db3cc8d9439683df76eb3
sha256 cb75ee7471675bf80a57fc4c77f510b8a90662d0fbec0c5678075e032022d9ef
sha512 c30f5c1cce63b6686183ba53bf1f92a341176cee0f8c788984de9536dc4b9648e6ceb1f1d49edd77bae469c4a3fd23198f2606030940a5aae1f577acb36f0896
ripemd-160 316aeff5ce54b61df4cfd1e761e2167948320bb0

157421 as geometric shapes

Circle

Radius = n
Diameter 314842
Circumference 989105.31424152
Area 77852973836.607

Sphere

Radius = n
Volume 1.6340923992443E+16
Surface area 311411895346.43
Circumference 989105.31424152

Square

Length = n
Perimeter 629684
Area 24781371241
Diagonal 222626.91320234

Cube

Length = n
Surface area 148688227446
Volume 3901108242129461
Space diagonal 272661.1701783

Equilateral Triangle

Length = n
Perimeter 472263
Area 10730648517.66
Altitude 136330.58508915

Triangular Pyramid

Length = n
Surface area 10730648517.66
Volume 4.5975001535875E+14
Height 74208.971067445