21085008 (number)

21085008 is an even 8-digits composite number following 21085007 and preceding 21085009. In scientific notation, it is written as 2.1085008 × 10^7. The sum of its digits is 24. It has a total of 7 prime factors and 40 positive divisors. There are 6024192 positive integers (up to 21085008) that are relatively prime to 21085008.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-five thousand eight

Notation

Scientific notation 2.1085008 × 10^7
Engineering notation 2.1085008 × 10^6

Prime Factorization of 21085008

Prime Factorization 2 × 2 × 2 × 2 × 3 × 7 × 62753

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 2635626
Product of the distinct prime numbers

The prime factorization of 21085008 is 2 × 2 × 2 × 2 × 3 × 7 × 62753. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21085008)

Multiplication

n×y
n×2 42170016
n×3 63255024
n×4 84340032
n×5 105425040

Division

n÷y
n÷2 10542504
n÷3 7028336
n÷3 5271252
n÷5 4217001.6

Exponentiation

ny
n2 444577562360064
n3 9.3739214589824E+21
n4 1.9764920895402E+29
n5 4.1674351519891E+36

Nth Root

y√n
2√n 4591.8414606778
3√n 276.26418728281
4√n 67.763127589256
5√n 29.160485744777

Divisors of 21085008

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21085007
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21085008 can be divided by 40 positive divisors. The sum of these divisors (counting 21085008) is 1, the average is 0.025.

Base conversion 21085008

Base System Value
2 Binary 1010000011011101101010000
3 Ternary 1110200020012020
4 Quaternary 1100123231100
5 Quinary 20344210013
6 Senary 2031531440
8 Octal 120335520
10 Decimal 21085008
12 Duodecimal 7089b80
16 Hexadecimal 141bb50
20 Vigesimal 6bfca8
36 Base36 cjxao

Cryptographic Hash Functions

md5 37ad53e93588b8d5b773eb21b82eb35d
sha1 d152396ad052be0483dab0671a4731d1619a96f0
sha256 c89e8cb4dbe2274185bc0364e6af5bbc357f05d6d95282c888fc7b89acc0cc95
sha512 c1ffbe13edf2daee52c2e0357a3ac7149bf045e3a3e8229dc7a09e9d1a95425ad8adcfac3df29205e0c8317ca7777cd62f496a51f216b3b49178a6636cfba255
ripemd-160 645ab8f21448419e255a5c254a23eeb11cf4159d

21085008 as geometric shapes

Circle

Radius = n
Diameter 42170016
Circumference 132481012.46736
Area 1.3966816038612E+15

Sphere

Radius = n
Volume 3.9265390387823E+22
Surface area 5.5867264154449E+15
Circumference 132481012.46736

Square

Length = n
Perimeter 84340032
Area 444577562360064
Diagonal 29818704.276345

Cube

Length = n
Surface area 2667465374160384
Volume 9.3739214589824E+21
Space diagonal 36520305.133996

Equilateral Triangle

Length = n
Perimeter 63255024
Area 1.9250773147819E+14
Altitude 18260152.566998

Triangular Pyramid

Length = n
Surface area 1.9250773147819E+14
Volume 1.1047272383261E+21
Height 9939568.0921151