21031187 (number)

21031187 is an odd 8-digits prime number following 21031186 and preceding 21031188. In scientific notation, it is written as 2.1031187 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 21031186 positive integers (up to 21031187) that are relatively prime to 21031187.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand one hundred eighty-seven

Notation

Scientific notation 2.1031187 × 10^7
Engineering notation 2.1031187 × 10^6

Prime Factorization of 21031187

Prime Factorization 21031187

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21031187
Product of the distinct prime numbers

The prime factorization of 21031187 is 21031187. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 8, 95, 65, 266, 904, 1539, 3820, 26558, 99245, 169718, 317191, 1533049, 2465888, 31064295, 92416344, 199636969, 585691404, 551931577, 7560828765

Basic calculations (n = 21031187)

Multiplication

n×y
n×2 42062374
n×3 63093561
n×4 84124748
n×5 105155935

Division

n÷y
n÷2 10515593.5
n÷3 7010395.6666667
n÷3 5257796.75
n÷5 4206237.4

Exponentiation

ny
n2 442310826628969
n3 9.3023217069584E+21
n4 1.956388673532E+29
n5 4.1145176037734E+36

Nth Root

y√n
2√n 4585.9772132011
3√n 276.02892558985
4√n 67.719843570412
5√n 29.14558367396

Divisors of 21031187

1, 21031187

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21031188
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10515594
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4585.9773222291
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999049031
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031187 can be divided by 2 positive divisors. The sum of these divisors (counting 21031187) is 21031188, the average is 10515594.

Base conversion 21031187

Base System Value
2 Binary 1010000001110100100010011
3 Ternary 1110120111100212
4 Quaternary 1100032210103
5 Quinary 20340444222
6 Senary 2030434335
8 Octal 120164423
10 Decimal 21031187
12 Duodecimal 70629ab
16 Hexadecimal 140e913
20 Vigesimal 6b8hj7
36 Base36 cirrn

Cryptographic Hash Functions

md5 e9113f53f2b9aa573c62a90b00184fb0
sha1 f90d253ad84a0e546e1715c155fb27b77aaf0480
sha256 23096b3087f78972bbbeebab076c8b110464e57364409a7ad3c343ba76d3ce78
sha512 c217bd3cf7b8166986c7192bfdf68b17202f749ddea12058cb3b75d57bc7739d67627bda6ae015138fafcb005fe181d9bd79e2a27bc55328edceaffc02f7ad25
ripemd-160 46e3fda64d28f2a9bedc1896471a9a3966afddd8

21031187 as geometric shapes

Circle

Radius = n
Diameter 42062374
Circumference 132142845.15095
Area 1.3895604435408E+15

Sphere

Radius = n
Volume 3.8965474047879E+22
Surface area 5.5582417741632E+15
Circumference 132142845.15095

Square

Length = n
Perimeter 84124748
Area 442310826628969
Diagonal 29742589.888205

Cube

Length = n
Surface area 2653864959773814
Volume 9.3023217069584E+21
Space diagonal 36427084.427482

Equilateral Triangle

Length = n
Perimeter 63093561
Area 1.9152620611479E+14
Altitude 18213542.213741

Triangular Pyramid

Length = n
Surface area 1.9152620611479E+14
Volume 1.0962891266282E+21
Height 9914196.6294016