21031513 (number)

21031513 is an odd 8-digits composite number following 21031512 and preceding 21031514. In scientific notation, it is written as 2.1031513 × 10^7. The sum of its digits is 16. It has a total of 3 prime factors and 8 positive divisors. There are 20193264 positive integers (up to 21031513) that are relatively prime to 21031513.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand five hundred thirteen

Notation

Scientific notation 2.1031513 × 10^7
Engineering notation 2.1031513 × 10^6

Prime Factorization of 21031513

Prime Factorization 53 × 47 × 8443

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21031513
Product of the distinct prime numbers

The prime factorization of 21031513 is 53 × 47 × 8443. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21031513)

Multiplication

n×y
n×2 42063026
n×3 63094539
n×4 84126052
n×5 105157565

Division

n÷y
n÷2 10515756.5
n÷3 7010504.3333333
n÷3 5257878.25
n÷5 4206302.6

Exponentiation

ny
n2 442324539069169
n3 9.3027542936522E+21
n4 1.9565099786275E+29
n5 4.1148365050135E+36

Nth Root

y√n
2√n 4586.0127561968
3√n 276.03035180456
4√n 67.720105996645
5√n 29.145674029311

Divisors of 21031513

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031512
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031513 can be divided by 8 positive divisors. The sum of these divisors (counting 21031513) is 1, the average is 0.125.

Base conversion 21031513

Base System Value
2 Binary 1010000001110101001011001
3 Ternary 1110120111210221
4 Quaternary 1100032221121
5 Quinary 20341002023
6 Senary 2030440041
8 Octal 120165131
10 Decimal 21031513
12 Duodecimal 7063021
16 Hexadecimal 140ea59
20 Vigesimal 6b8ifd
36 Base36 cis0p

Cryptographic Hash Functions

md5 f9bb65fdebbd98a1b1f053c5dfe498f9
sha1 ac0cd7fa75cc93d537de423b00a0579f43ee389d
sha256 7ca18e49c97a4a0b72eac88fd0ecef364bc9fb62e92d19a1cd990b92bef8ed5c
sha512 6c746bc53897ceb7fea77dc4fe913f7cd3fadaf3002460fe2313481209f31c3937bf55fbc0c62d5d4ebc84a03fb6eacf072ff4aad28f85996a5c19c772b6282e
ripemd-160 bce512ade99d4cc83108fcf14542dd030dbf1a7d

21031513 as geometric shapes

Circle

Radius = n
Diameter 42063026
Circumference 132144893.46936
Area 1.3896035224422E+15

Sphere

Radius = n
Volume 3.8967286062785E+22
Surface area 5.5584140897688E+15
Circumference 132144893.46936

Square

Length = n
Perimeter 84126052
Area 442324539069169
Diagonal 29743050.921826

Cube

Length = n
Surface area 2653947234415014
Volume 9.3027542936522E+21
Space diagonal 36427649.076045

Equilateral Triangle

Length = n
Perimeter 63094539
Area 1.9153214377557E+14
Altitude 18213824.538023

Triangular Pyramid

Length = n
Surface area 1.9153214377557E+14
Volume 1.096340107459E+21
Height 9914350.3072754