21357072 (number)

21357072 is an even 8-digits composite number following 21357071 and preceding 21357073. In scientific notation, it is written as 2.1357072 × 10^7. The sum of its digits is 27. It has a total of 8 prime factors and 80 positive divisors. There are 6359040 positive integers (up to 21357072) that are relatively prime to 21357072.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-seven thousand seventy-two

Notation

Scientific notation 2.1357072 × 10^7
Engineering notation 2.1357072 × 10^6

Prime Factorization of 21357072

Prime Factorization 2 × 2 × 2 × 2 × 9 × 11 × 97 × 139

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2669634
Product of the distinct prime numbers

The prime factorization of 21357072 is 2 × 2 × 2 × 2 × 9 × 11 × 97 × 139. Since it has a total of 8 prime factors.

Most popular turbo-numbers

8, 5, 46, 21, 533, 604, 512, 1450, 71416, 42168, 86425, 668127, 201117, 5857727, 3033063, 88391454, 180744605, 517326737, 9103054862, 3257953624

Basic calculations (n = 21357072)

Multiplication

n×y
n×2 42714144
n×3 64071216
n×4 85428288
n×5 106785360

Division

n÷y
n÷2 10678536
n÷3 7119024
n÷3 5339268
n÷5 4271414.4

Exponentiation

ny
n2 456124524413184
n3 9.7414843088581E+21
n4 2.0804958177115E+29
n5 4.4433298974564E+36

Nth Root

y√n
2√n 4621.3712250803
3√n 277.44734330807
4√n 67.980668024669
5√n 29.235353019845

Divisors of 21357072

1, 2, 4, 8, 9, 11, 16, 18, 22, 36, 44, 72, 88, 97, 99, 139, 144, 176, 194, 198, 278, 388, 396, 556, 776, 792, 873, 1067, 1112, 1251, 1529, 1552, 1584, 1746, 2134, 2224, 2502, 3058, 3492, 4268, 5004, 6116, 6984, 8536, 9603, 10008, 12232, 13483, 13761, 13968, 17072, 19206, 20016, 24464, 26966, 27522, 38412, 53932, 55044, 76824, 107864, 110088, 121347, 148313, 153648, 215728, 220176, 242694, 296626, 485388, 593252, 970776, 1186504, 1334817, 1941552, 2373008, 2669634, 5339268, 10678536, 21357072

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21357071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21357072 can be divided by 80 positive divisors. The sum of these divisors (counting 21357072) is 1, the average is 0.0125.

Base conversion 21357072

Base System Value
2 Binary 1010001011110001000010000
3 Ternary 1111012001101200
4 Quaternary 1101132020100
5 Quinary 20431411242
6 Senary 2041431200
8 Octal 121361020
10 Decimal 21357072
12 Duodecimal 719b500
16 Hexadecimal 145e210
20 Vigesimal 6d9cdc
36 Base36 cpr80

Cryptographic Hash Functions

md5 2549db7ce9de5d5da3d8f90368ce1ece
sha1 a5d594e0f61d5806c11f5bd89d056a94f82599e9
sha256 7f56dd8cc289f0c229179c45db30100fe5319754bb8dbcd0556cfcff81e4d338
sha512 69711ec9614232e18392e5e0faf1d24a372955922977a6d423c593d9b7581f281f16340a6e4d08128194aec359ef9dd97eaca4531e1bb4a54297109672b5a10f
ripemd-160 78b3175e8714f1239d0ec46228010800e36a335b

21357072 as geometric shapes

Circle

Radius = n
Diameter 42714144
Circumference 134190440.99478
Area 1.4329574550186E+15

Sphere

Radius = n
Volume 4.0805034053025E+22
Surface area 5.7318298200744E+15
Circumference 134190440.99478

Square

Length = n
Perimeter 85428288
Area 456124524413184
Diagonal 30203460.874979

Cube

Length = n
Surface area 2736747146479104
Volume 9.7414843088581E+21
Space diagonal 36991533.804907

Equilateral Triangle

Length = n
Perimeter 64071216
Area 1.9750771271546E+14
Altitude 18495766.902453

Triangular Pyramid

Length = n
Surface area 1.9750771271546E+14
Volume 1.1480449356027E+21
Height 10067820.29166