21000961 (number)

21000961 is an odd 8-digits composite number following 21000960 and preceding 21000962. In scientific notation, it is written as 2.1000961 × 10^7. The sum of its digits is 19. It has a total of 2 prime factors and 4 positive divisors. There are 20991424 positive integers (up to 21000961) that are relatively prime to 21000961.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred sixty-one

Notation

Scientific notation 2.1000961 × 10^7
Engineering notation 2.1000961 × 10^6

Prime Factorization of 21000961

Prime Factorization 3449 × 6089

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21000961
Product of the distinct prime numbers

The prime factorization of 21000961 is 3449 × 6089. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21000961)

Multiplication

n×y
n×2 42001922
n×3 63002883
n×4 84003844
n×5 105004805

Division

n÷y
n÷2 10500480.5
n÷3 7000320.3333333
n÷3 5250240.25
n÷5 4200192.2

Exponentiation

ny
n2 441040362923521
n3 9.2622714611827E+21
n4 1.9451660172771E+29
n5 4.0850355667362E+36

Nth Root

y√n
2√n 4582.6805474525
3√n 275.8966260281
4√n 67.695498723715
5√n 29.137201253206

Divisors of 21000961

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21000960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21000961 can be divided by 4 positive divisors. The sum of these divisors (counting 21000961) is 1, the average is 0.25.

Base conversion 21000961

Base System Value
2 Binary 1010000000111001100000001
3 Ternary 1110111221220101
4 Quaternary 1100013030001
5 Quinary 20334012321
6 Senary 2030042401
8 Octal 120071401
10 Decimal 21000961
12 Duodecimal 7049401
16 Hexadecimal 1407301
20 Vigesimal 6b5281
36 Base36 ci4g1

Cryptographic Hash Functions

md5 b0eeaa64a404a1a41f5dc4c19716da35
sha1 83089a784c9cf6e1df453ac6d0fcb98975611f10
sha256 baac1a83105f1922ad9b66974a400b9660fd2166bde76611382f9c1f606528be
sha512 a9058ff4eeb901b90ec9aa4f5a83d2ceb54c6adf588b072ec714277ec34aa2f62312a6cff885f108e7a2e16591a7c7bc7b32e3d6dc17fc29121f3cdbecff438c
ripemd-160 7ff6dd3c7b88b77575de11885c9a95aa8d2bd75c

21000961 as geometric shapes

Circle

Radius = n
Diameter 42001922
Circumference 131952929.59185
Area 1.3855691640971E+15

Sphere

Radius = n
Volume 3.8797711970675E+22
Surface area 5.5422766563884E+15
Circumference 131952929.59185

Square

Length = n
Perimeter 84003844
Area 441040362923521
Diagonal 29699843.869068

Cube

Length = n
Surface area 2646242177541126
Volume 9.2622714611827E+21
Space diagonal 36374731.459772

Equilateral Triangle

Length = n
Perimeter 63002883
Area 1.9097607919304E+14
Altitude 18187365.729886

Triangular Pyramid

Length = n
Surface area 1.9097607919304E+14
Volume 1.0915691598988E+21
Height 9899947.9563561