20157 (number)

20157 is an odd 5-digits composite number following 20156 and preceding 20158. In scientific notation, it is written as 2.0157 × 10^4. The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors. There are 13436 positive integers (up to 20157) that are relatively prime to 20157.

Interesting facts

Basic properties

Name

Name twenty thousand one hundred fifty-seven

Notation

Scientific notation 2.0157 × 10^4
Engineering notation 2.0157 × 10^3

Prime Factorization of 20157

Prime Factorization 3 × 6719

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20157
Product of the distinct prime numbers

The prime factorization of 20157 is 3 × 6719. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 1, 9, 78, 901, 477, 5011, 9554, 17951, 80665, 614564, 902093, 1972632, 4069215, 12802660, 7553545, 470522603, 995960559, 2253739470, 1171754982

Basic calculations (n = 20157)

Multiplication

n×y
n×2 40314
n×3 60471
n×4 80628
n×5 100785

Division

n÷y
n÷2 10078.5
n÷3 6719
n÷3 5039.25
n÷5 4031.4

Exponentiation

ny
n2 406304649
n3 8189882809893
n4 165083467799013201
n5 3.3275874604247E+21

Nth Root

y√n
2√n 141.97534997316
3√n 27.215018378566
4√n 11.915340950772
5√n 7.2591401146788

Divisors of 20157

1, 3, 6719, 20157

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 -20156
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 20157 can be divided by 4 positive divisors. The sum of these divisors (counting 20157) is 1, the average is 0.25.

Base conversion 20157

Base System Value
2 Binary 100111010111101
3 Ternary 1000122120
4 Quaternary 10322331
5 Quinary 1121112
6 Senary 233153
8 Octal 47275
10 Decimal 20157
12 Duodecimal b7b9
16 Hexadecimal 4ebd
20 Vigesimal 2a7h
36 Base36 fjx

Cryptographic Hash Functions

md5 519edc8db508d1c088f793f2c3647e6f
sha1 1484ff80fec5e846ff1d8f47bf19e000a3a1958e
sha256 4212e56d683c381dc00a383400cb1cde6a703d7492c1259e709908695ff2afdb
sha512 a4fb3b08ac09175c89a13f10be54b11dbfd40e141fc9e6c5b9cdb2ccd08f151e30dcbe9e65463b59eebb0754a22280f70917952b44a212b730516cb94895b50b
ripemd-160 afb780f2088d780450dc52c49b2e1b073cc67750

20157 as geometric shapes

Circle

Radius = n
Diameter 40314
Circumference 126650.16623682
Area 1276443700.4178

Sphere

Radius = n
Volume 34305700892428
Surface area 5105774801.6711
Circumference 126650.16623682

Square

Length = n
Perimeter 80628
Area 406304649
Diagonal 28506.302776754

Cube

Length = n
Surface area 2437827894
Volume 8189882809893
Space diagonal 34912.948128166

Equilateral Triangle

Length = n
Perimeter 60471
Area 175935073.85486
Altitude 17456.474064083

Triangular Pyramid

Length = n
Surface area 175935073.85486
Volume 965186945333.08
Height 9502.1009255848