21004761 (number)

21004761 is an odd 8-digits composite number following 21004760 and preceding 21004762. In scientific notation, it is written as 2.1004761 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 14003172 positive integers (up to 21004761) that are relatively prime to 21004761.

Interesting facts

Basic properties

Name

Name twenty-one million four thousand seven hundred sixty-one

Notation

Scientific notation 2.1004761 × 10^7
Engineering notation 2.1004761 × 10^6

Prime Factorization of 21004761

Prime Factorization 3 × 7001587

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21004761
Product of the distinct prime numbers

The prime factorization of 21004761 is 3 × 7001587. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21004761)

Multiplication

n×y
n×2 42009522
n×3 63014283
n×4 84019044
n×5 105023805

Division

n÷y
n÷2 10502380.5
n÷3 7001587
n÷3 5251190.25
n÷5 4200952.2

Exponentiation

ny
n2 441199984667121
n3 9.2673002311365E+21
n4 1.9465742647027E+29
n5 4.088732719883E+36

Nth Root

y√n
2√n 4583.0951332042
3√n 275.91326564681
4√n 67.698560791232
5√n 29.138255617831

Divisors of 21004761

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 -21004760
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 21004761 can be divided by 4 positive divisors. The sum of these divisors (counting 21004761) is 1, the average is 0.25.

Base conversion 21004761

Base System Value
2 Binary 1010000001000000111011001
3 Ternary 1110112011010010
4 Quaternary 1100020013121
5 Quinary 20334123021
6 Senary 2030112133
8 Octal 120100731
10 Decimal 21004761
12 Duodecimal 704b649
16 Hexadecimal 14081d9
20 Vigesimal 6b5bi1
36 Base36 ci7dl

Cryptographic Hash Functions

md5 90869c80b48e45cd0819eddd4ef6c4d7
sha1 b9bb3501fc1ebeb3d5926ed5f788700f6fdf70ba
sha256 7953c0cab7f83dcfe6790edf20a1cc07647bbb8605dd105c9fd67e161b5763ba
sha512 6df222ab34bda155d614c008e8d23fd5381574a73974eb260995ddd977251918499eba38c432f0e7804493c10becc3b26dd20c2016726b602e981f539279950f
ripemd-160 f39f626cdefdd9ef4607a0444c51990ec531593a

21004761 as geometric shapes

Circle

Radius = n
Diameter 42009522
Circumference 131976805.69602
Area 1.3860706305942E+15

Sphere

Radius = n
Volume 3.8818776432999E+22
Surface area 5.5442825223766E+15
Circumference 131976805.69602

Square

Length = n
Perimeter 84019044
Area 441199984667121
Diagonal 29705217.880605

Cube

Length = n
Surface area 2647199908002726
Volume 9.2673002311365E+21
Space diagonal 36381313.252841

Equilateral Triangle

Length = n
Perimeter 63014283
Area 1.9104519743552E+14
Altitude 18190656.626421

Triangular Pyramid

Length = n
Surface area 1.9104519743552E+14
Volume 1.0921618061214E+21
Height 9901739.2935352