21072518 (number)

21072518 is an even 8-digits composite number following 21072517 and preceding 21072519. In scientific notation, it is written as 2.1072518 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 10459216 positive integers (up to 21072518) that are relatively prime to 21072518.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-two thousand five hundred eighteen

Notation

Scientific notation 2.1072518 × 10^7
Engineering notation 2.1072518 × 10^6

Prime Factorization of 21072518

Prime Factorization 2 × 137 × 76907

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21072518
Product of the distinct prime numbers

The prime factorization of 21072518 is 2 × 137 × 76907. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21072518)

Multiplication

n×y
n×2 42145036
n×3 63217554
n×4 84290072
n×5 105362590

Division

n÷y
n÷2 10536259
n÷3 7024172.6666667
n÷3 5268129.5
n÷5 4214503.6

Exponentiation

ny
n2 444051014860324
n3 9.3572730035624E+21
n4 1.9718130379848E+29
n5 4.155106573557E+36

Nth Root

y√n
2√n 4590.4812383888
3√n 276.20962685377
4√n 67.753090249736
5√n 29.15703020142

Divisors of 21072518

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 -21072517
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 21072518 can be divided by 8 positive divisors. The sum of these divisors (counting 21072518) is 1, the average is 0.125.

Base conversion 21072518

Base System Value
2 Binary 1010000011000101010000110
3 Ternary 1110122121001122
4 Quaternary 1100120222012
5 Quinary 20343310033
6 Senary 2031353542
8 Octal 120305206
10 Decimal 21072518
12 Duodecimal 70828b2
16 Hexadecimal 1418a86
20 Vigesimal 6be15i
36 Base36 cjnnq

Cryptographic Hash Functions

md5 c74675dcf90037477828564034935147
sha1 dd03cb001ba9e08c100c78c00d719ebd2a7fa077
sha256 322e9c0bdc004a2276d7511586f50708a0fa4b1609ed49f3255c10d3b1880ad9
sha512 11526fc4f51e337ce5e3f9d44a046ef13de0312c06ac0bf45a6d6d799ac90138660f1a9177ab805e1201a0df705f3e30a91760c3b7b4129bae5152b17375f540
ripemd-160 d3935d0e9d696507d30f59ec5314c3f9a172ab85

21072518 as geometric shapes

Circle

Radius = n
Diameter 42145036
Circumference 132402535.48288
Area 1.3950274061043E+15

Sphere

Radius = n
Volume 3.9195653500834E+22
Surface area 5.5801096244171E+15
Circumference 132402535.48288

Square

Length = n
Perimeter 84290072
Area 444051014860324
Diagonal 29801040.748951

Cube

Length = n
Surface area 2664306089161944
Volume 9.3572730035624E+21
Space diagonal 36498671.81941

Equilateral Triangle

Length = n
Perimeter 63217554
Area 1.9227972972265E+14
Altitude 18249335.909705

Triangular Pyramid

Length = n
Surface area 1.9227972972265E+14
Volume 1.1027651990388E+21
Height 9933680.2496504