21085380 (number)

21085380 is an even 8-digits composite number following 21085379 and preceding 21085381. In scientific notation, it is written as 2.1085380 × 10^7. The sum of its digits is 27. It has a total of 6 prime factors and 48 positive divisors. There are 5622624 positive integers (up to 21085380) that are relatively prime to 21085380.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-five thousand three hundred eighty

Notation

Scientific notation 2.1085380 × 10^7
Engineering notation 2.1085380 × 10^6

Prime Factorization of 21085380

Prime Factorization 2 × 2 × 5 × 9 × 3 × 39047

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10542690
Product of the distinct prime numbers

The prime factorization of 21085380 is 2 × 2 × 5 × 9 × 3 × 39047. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21085380)

Multiplication

n×y
n×2 42170760
n×3 63256140
n×4 84341520
n×5 105426900

Division

n÷y
n÷2 10542690
n÷3 7028460
n÷3 5271345
n÷5 4217076

Exponentiation

ny
n2 444593249744400
n3 9.3744176162956E+21
n4 1.9766315771829E+29
n5 4.16780279249E+36

Nth Root

y√n
2√n 4591.8819671242
3√n 276.26581197073
4√n 67.763426471247
5√n 29.160588638967

Divisors of 21085380

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21085379
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21085380 can be divided by 48 positive divisors. The sum of these divisors (counting 21085380) is 1, the average is 0.020833333333333.

Base conversion 21085380

Base System Value
2 Binary 1010000011011110011000100
3 Ternary 1110200020201000
4 Quaternary 1100123303010
5 Quinary 20344213010
6 Senary 2031533300
8 Octal 120336304
10 Decimal 21085380
12 Duodecimal 708a230
16 Hexadecimal 141bcc4
20 Vigesimal 6bfd90
36 Base36 cjxl0

Cryptographic Hash Functions

md5 98601a5eb359751b354b7af67a72971f
sha1 4526dbc0f6421c0402f27038c23948cdd8256830
sha256 3c4da3510b285db8cd2fc2c1214678e6a8f0c98d2346b2aaa5a14f1ddd334909
sha512 10f33d7ac8ddb66aa2e6c3825a42655476a8245793b397394fd525bdd0c59c53704455df23d839637ca6f9e1b2c28a7a54e2ae2f950e033f0c7078624525cdbd
ripemd-160 eb695bb8a1998b63b8728b11d62ac4afa9f37129

21085380 as geometric shapes

Circle

Radius = n
Diameter 42170760
Circumference 132483349.8123
Area 1.3967308872326E+15

Sphere

Radius = n
Volume 3.9267468686716E+22
Surface area 5.5869235489305E+15
Circumference 132483349.8123

Square

Length = n
Perimeter 84341520
Area 444593249744400
Diagonal 29819230.36379

Cube

Length = n
Surface area 2667559498466400
Volume 9.3744176162956E+21
Space diagonal 36520949.456897

Equilateral Triangle

Length = n
Perimeter 63256140
Area 1.9251452431486E+14
Altitude 18260474.728448

Triangular Pyramid

Length = n
Surface area 1.9251452431486E+14
Volume 1.1047857110262E+21
Height 9939743.4545968