20897 (number)

20897 is an odd 5-digits prime number following 20896 and preceding 20898. In scientific notation, it is written as 2.0897 × 10^4. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 20896 positive integers (up to 20897) that are relatively prime to 20897.

Interesting facts

Basic properties

Name

Name twenty thousand eight hundred ninety-seven

Notation

Scientific notation 2.0897 × 10^4
Engineering notation 2.0897 × 10^3

Prime Factorization of 20897

Prime Factorization 20897

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20897
Product of the distinct prime numbers

The prime factorization of 20897 is 20897. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 4, 92, 11, 66, 670, 1656, 5573, 53066, 78187, 204823, 583528, 4994021, 8713468, 46536638, 312932, 469012650, 594266589, 7962658528, 8937403653

Basic calculations (n = 20897)

Multiplication

n×y
n×2 41794
n×3 62691
n×4 83588
n×5 104485

Division

n÷y
n÷2 10448.5
n÷3 6965.6666666667
n÷3 5224.25
n÷5 4179.4

Exponentiation

ny
n2 436684609
n3 9125398274273
n4 190693447737482881
n5 3.9849209773702E+21

Nth Root

y√n
2√n 144.55794685869
3√n 27.544061596454
4√n 12.023225310152
5√n 7.3116734770922

Divisors of 20897

1, 20897

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20898
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10449
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 144.56140563788
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999042970619
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20897 can be divided by 2 positive divisors. The sum of these divisors (counting 20897) is 20898, the average is 10449.

Base conversion 20897

Base System Value
2 Binary 101000110100001
3 Ternary 1001122222
4 Quaternary 11012201
5 Quinary 1132042
6 Senary 240425
8 Octal 50641
10 Decimal 20897
12 Duodecimal 10115
16 Hexadecimal 51a1
20 Vigesimal 2c4h
36 Base36 g4h

Cryptographic Hash Functions

md5 8c9ce62eb00bfc39549c0b3cbe197ceb
sha1 bc69e3eac69da5f1283fb0b87337b791fbe7d8d3
sha256 732c80a76548984cb3d00e1a737f311bd30bc67122ac66a80d1bedc7555444bc
sha512 9dac1fa93fcae0fa864565a83dbb8d48cac8917ee98538d568fbea3bd506523cbd8d72c7f679e73c5e3b1871b74706dfc24bf3136408d355382bbdce18f1d430
ripemd-160 3ace14f24ec8eaa9e720a58c260774dfaeba5093

20897 as geometric shapes

Circle

Radius = n
Diameter 41794
Circumference 131299.72336413
Area 1371885159.5701

Sphere

Radius = n
Volume 38224378906049
Surface area 5487540638.2805
Circumference 131299.72336413

Square

Length = n
Perimeter 83588
Area 436684609
Diagonal 29552.820812911

Cube

Length = n
Surface area 2620107654
Volume 9125398274273
Space diagonal 36194.665725767

Equilateral Triangle

Length = n
Perimeter 62691
Area 189089982.41784
Altitude 18097.332862883

Triangular Pyramid

Length = n
Surface area 189089982.41784
Volume 1075438500127.7
Height 9850.9402709702