21005089 (number)

21005089 is an odd 8-digits composite number following 21005088 and preceding 21005090. In scientific notation, it is written as 2.1005089 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 17056656 positive integers (up to 21005089) that are relatively prime to 21005089.

Interesting facts

Basic properties

Name

Name twenty-one million five thousand eighty-nine

Notation

Scientific notation 2.1005089 × 10^7
Engineering notation 2.1005089 × 10^6

Prime Factorization of 21005089

Prime Factorization 19 × 7 × 157933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21005089
Product of the distinct prime numbers

The prime factorization of 21005089 is 19 × 7 × 157933. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21005089)

Multiplication

n×y
n×2 42010178
n×3 63015267
n×4 84020356
n×5 105025445

Division

n÷y
n÷2 10502544.5
n÷3 7001696.3333333
n÷3 5251272.25
n÷5 4201017.8

Exponentiation

ny
n2 441213763897921
n3 9.2677343787008E+21
n4 1.9466958545297E+29
n5 4.0890519680327E+36

Nth Root

y√n
2√n 4583.1309167424
3√n 275.91470181455
4√n 67.698825076528
5√n 29.138346618992

Divisors of 21005089

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 -21005088
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 21005089 can be divided by 8 positive divisors. The sum of these divisors (counting 21005089) is 1, the average is 0.125.

Base conversion 21005089

Base System Value
2 Binary 1010000001000001100100001
3 Ternary 1110112011120021
4 Quaternary 1100020030201
5 Quinary 20334130324
6 Senary 2030113441
8 Octal 120101441
10 Decimal 21005089
12 Duodecimal 704b881
16 Hexadecimal 1408321
20 Vigesimal 6b5ce9
36 Base36 ci7mp

Cryptographic Hash Functions

md5 663b230445212f3f93e933b50a8cd813
sha1 0aaab2dc5886f9db7ab523e510cf7dc258bae4f7
sha256 3774fe77b30cc194be91882283fcfde30a6d271a6568a4e5b908a78819df950d
sha512 4b19247949cdedafe24d373cb6f74bbc543512fcdde86669883e2911acc2d4f7a7527c0610928a3de78d5c2dcf524ab15278ac9123671730013a7992e88f56c2
ripemd-160 47787369fcb148089c028deaae5124d713a8d68f

21005089 as geometric shapes

Circle

Radius = n
Diameter 42010178
Circumference 131978866.5808
Area 1.3861139193244E+15

Sphere

Radius = n
Volume 3.8820594986064E+22
Surface area 5.5444556772976E+15
Circumference 131978866.5808

Square

Length = n
Perimeter 84020356
Area 441213763897921
Diagonal 29705681.742654

Cube

Length = n
Surface area 2647282583387526
Volume 9.2677343787008E+21
Space diagonal 36381881.365506

Equilateral Triangle

Length = n
Perimeter 63015267
Area 1.9105116401747E+14
Altitude 18190940.682753

Triangular Pyramid

Length = n
Surface area 1.9105116401747E+14
Volume 1.0922129709025E+21
Height 9901893.914218