21131897 (number)

21131897 is an odd 8-digits prime number following 21131896 and preceding 21131898. In scientific notation, it is written as 2.1131897 × 10^7. The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors. There are 21131896 positive integers (up to 21131897) that are relatively prime to 21131897.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand eight hundred ninety-seven

Notation

Scientific notation 2.1131897 × 10^7
Engineering notation 2.1131897 × 10^6

Prime Factorization of 21131897

Prime Factorization 21131897

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21131897
Product of the distinct prime numbers

The prime factorization of 21131897 is 21131897. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 7, 46, 31, 254, 26, 4235, 5764, 89183, 67425, 807121, 766067, 1054937, 3254699, 80194955, 44244411, 556771987, 734854274, 1001175342, 8709627704

Basic calculations (n = 21131897)

Multiplication

n×y
n×2 42263794
n×3 63395691
n×4 84527588
n×5 105659485

Division

n÷y
n÷2 10565948.5
n÷3 7043965.6666667
n÷3 5282974.25
n÷5 4226379.4

Exponentiation

ny
n2 446557070818609
n3 9.4365980251606E+21
n4 1.994132174981E+29
n5 4.2139795726084E+36

Nth Root

y√n
2√n 4596.9443111702
3√n 276.468821797
4√n 67.800769252053
5√n 29.173443685188

Divisors of 21131897

1, 21131897

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21131898
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10565949
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4596.9444199381
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999053563
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131897 can be divided by 2 positive divisors. The sum of these divisors (counting 21131897) is 21131898, the average is 10565949.

Base conversion 21131897

Base System Value
2 Binary 1010000100111001001111001
3 Ternary 1110202121111212
4 Quaternary 1100213021321
5 Quinary 20402210042
6 Senary 2032532505
8 Octal 120471171
10 Decimal 21131897
12 Duodecimal 70b1135
16 Hexadecimal 1427279
20 Vigesimal 6c19eh
36 Base36 ckxh5

Cryptographic Hash Functions

md5 a747bd2bbf4881352a1c5e7242cbffc5
sha1 54e36145751bf7b7fd54c2dfb267d259c89f2e8c
sha256 39e8477484f035ea14ae37359bcc5422e9ec288cdb9df411a9c0d12cd86a1991
sha512 36221a0a5e3d5e8efe14038030a6f7ba6136069f09e97e82f31082159c052306b9a52722c798dbfb5709d1514ad891562786d2835d3ad08bac380beff642b495
ripemd-160 286999b0ece773d569a9d518187097fde27e1e4c

21131897 as geometric shapes

Circle

Radius = n
Diameter 42263794
Circumference 132775624.74323
Area 1.4029004130923E+15

Sphere

Radius = n
Volume 3.9527929374299E+22
Surface area 5.6116016523693E+15
Circumference 132775624.74323

Square

Length = n
Perimeter 84527588
Area 446557070818609
Diagonal 29885015.336071

Cube

Length = n
Surface area 2679342424911654
Volume 9.4365980251606E+21
Space diagonal 36601519.264312

Equilateral Triangle

Length = n
Perimeter 63395691
Area 1.9336488378424E+14
Altitude 18300759.632156

Triangular Pyramid

Length = n
Surface area 1.9336488378424E+14
Volume 1.1121137424871E+21
Height 9961671.7786904