21005061 (number)

21005061 is an odd 8-digits composite number following 21005060 and preceding 21005062. In scientific notation, it is written as 2.1005061 × 10^7. The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors. There are 10911600 positive integers (up to 21005061) that are relatively prime to 21005061.

Interesting facts

Basic properties

Name

Name twenty-one million five thousand sixty-one

Notation

Scientific notation 2.1005061 × 10^7
Engineering notation 2.1005061 × 10^6

Prime Factorization of 21005061

Prime Factorization 21 × 11 × 90931

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21005061
Product of the distinct prime numbers

The prime factorization of 21005061 is 21 × 11 × 90931. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21005061)

Multiplication

n×y
n×2 42010122
n×3 63015183
n×4 84020244
n×5 105025305

Division

n÷y
n÷2 10502530.5
n÷3 7001687
n÷3 5251265.25
n÷5 4201012.2

Exponentiation

ny
n2 441212587613721
n3 9.2676973167941E+21
n4 1.946685474688E+29
n5 4.0890247143634E+36

Nth Root

y√n
2√n 4583.127862061
3√n 275.91457921544
4√n 67.698802515709
5√n 29.138338850644

Divisors of 21005061

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 -21005060
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 21005061 can be divided by 8 positive divisors. The sum of these divisors (counting 21005061) is 1, the average is 0.125.

Base conversion 21005061

Base System Value
2 Binary 1010000001000001100000101
3 Ternary 1110112011112020
4 Quaternary 1100020030011
5 Quinary 20334130221
6 Senary 2030113353
8 Octal 120101405
10 Decimal 21005061
12 Duodecimal 704b859
16 Hexadecimal 1408305
20 Vigesimal 6b5cd1
36 Base36 ci7lx

Cryptographic Hash Functions

md5 3f1671d00acbfa3ebb6de083ef0a4cb5
sha1 1f8f5f4a03af8d4e242b7e01c298796d94f9d93d
sha256 e1b78baec8a17657c68a5005f80e7e266f06afe3a66fd1e0fdd81fd336e6dae6
sha512 c467143f37a355da7de3a71e8836a3aee0091649dc0e2a619a6929d85c15fa3d789c612073904dc94cf439b05eda953d8c343cb19cd519d0c07bbf71fdf905c0
ripemd-160 1ea657f0a1c08db05baf9ebe53cddbf01f908453

21005061 as geometric shapes

Circle

Radius = n
Diameter 42010122
Circumference 131978690.65161
Area 1.3861102239186E+15

Sphere

Radius = n
Volume 3.8820439741512E+22
Surface area 5.5444408956744E+15
Circumference 131978690.65161

Square

Length = n
Perimeter 84020244
Area 441212587613721
Diagonal 29705642.144674

Cube

Length = n
Surface area 2647275525682326
Volume 9.2676973167941E+21
Space diagonal 36381832.868084

Equilateral Triangle

Length = n
Perimeter 63015183
Area 1.9105065467147E+14
Altitude 18190916.434042

Triangular Pyramid

Length = n
Surface area 1.9105065467147E+14
Volume 1.0922086031149E+21
Height 9901880.7148914