21472761 (number)

21472761 is an odd 8-digits composite number following 21472760 and preceding 21472762. In scientific notation, it is written as 2.1472761 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14315172 positive integers (up to 21472761) that are relatively prime to 21472761.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1472761 × 10^7
Engineering notation 2.1472761 × 10^6

Prime Factorization of 21472761

Prime Factorization 3 × 7157587

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21472761
Product of the distinct prime numbers

The prime factorization of 21472761 is 3 × 7157587. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21472761)

Multiplication

n×y
n×2 42945522
n×3 64418283
n×4 85891044
n×5 107363805

Division

n÷y
n÷2 10736380.5
n÷3 7157587
n÷3 5368190.25
n÷5 4294552.2

Exponentiation

ny
n2 461079464963121
n3 9.900649153161E+21
n4 2.1259427301068E+29
n5 4.564986014327E+36

Nth Root

y√n
2√n 4633.8710599239
3√n 277.94740909488
4√n 68.07254262861
5√n 29.266957577409

Divisors of 21472761

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 -21472760
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 21472761 can be divided by 4 positive divisors. The sum of these divisors (counting 21472761) is 1, the average is 0.25.

Base conversion 21472761

Base System Value
2 Binary 1010001111010010111111001
3 Ternary 1111101221002110
4 Quaternary 1101322113321
5 Quinary 20444112021
6 Senary 2044122533
8 Octal 121722771
10 Decimal 21472761
12 Duodecimal 7236449
16 Hexadecimal 147a5f9
20 Vigesimal 6e41i1
36 Base36 cs8hl

Cryptographic Hash Functions

md5 9eab4dd80ccf99945bbb9617cefa350e
sha1 7f3b980de1ae8563dcc00d5993ac08c4a475a87a
sha256 f759e55b17a7156a9f1d9e21a352e1ff0d3697cbaaffcf0157893ba44072fb24
sha512 aa6c1dca9869e43d98944b536e099a6c70260a8859f50cf553a5d091919703de1dcfb51ba866c9365a774288fa29277d69ebafd372a6a19094c703cf9f613589
ripemd-160 6d63bd073b08dd723e2246996299512be77d83d1

21472761 as geometric shapes

Circle

Radius = n
Diameter 42945522
Circumference 134917336.41978
Area 1.4485238598493E+15

Sphere

Radius = n
Volume 4.1471742193787E+22
Surface area 5.794095439397E+15
Circumference 134917336.41978

Square

Length = n
Perimeter 85891044
Area 461079464963121
Diagonal 30367069.827796

Cube

Length = n
Surface area 2766476789778726
Volume 9.900649153161E+21
Space diagonal 37191913.030783

Equilateral Triangle

Length = n
Perimeter 64418283
Area 1.996532649107E+14
Altitude 18595956.515392

Triangular Pyramid

Length = n
Surface area 1.996532649107E+14
Volume 1.1668026923915E+21
Height 10122356.609265