21051644 (number)

21051644 is an even 8-digits composite number following 21051643 and preceding 21051645. In scientific notation, it is written as 2.1051644 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 12 positive divisors. There are 9906624 positive integers (up to 21051644) that are relatively prime to 21051644.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand six hundred forty-four

Notation

Scientific notation 2.1051644 × 10^7
Engineering notation 2.1051644 × 10^6

Prime Factorization of 21051644

Prime Factorization 2 × 2 × 17 × 309583

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10525822
Product of the distinct prime numbers

The prime factorization of 21051644 is 2 × 2 × 17 × 309583. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 56, 2, 912, 482, 423, 9967, 21865, 82629, 362453, 59482, 1887831, 3190323, 67254795, 50965540, 287343839, 278908803, 7841565530, 3813010166

Basic calculations (n = 21051644)

Multiplication

n×y
n×2 42103288
n×3 63154932
n×4 84206576
n×5 105258220

Division

n÷y
n÷2 10525822
n÷3 7017214.6666667
n÷3 5262911
n÷5 4210328.8

Exponentiation

ny
n2 443171715102736
n3 9.3294931772122E+21
n4 1.964011690671E+29
n5 4.1345674923844E+36

Nth Root

y√n
2√n 4588.2070572283
3√n 276.11839421037
4√n 67.73630531132
5√n 29.15125144116

Divisors of 21051644

1, 2, 4, 17, 34, 68, 309583, 619166, 1238332, 5262911, 10525822, 21051644

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21051643
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21051644 can be divided by 12 positive divisors. The sum of these divisors (counting 21051644) is 1, the average is 0.083333333333333.

Base conversion 21051644

Base System Value
2 Binary 1010000010011100011111100
3 Ternary 1110121112102112
4 Quaternary 1100103203330
5 Quinary 20342123034
6 Senary 2031113152
8 Octal 120234374
10 Decimal 21051644
12 Duodecimal 70727b8
16 Hexadecimal 14138fc
20 Vigesimal 6bb924
36 Base36 cj7jw

Cryptographic Hash Functions

md5 690d25874296e111013c929ef20c2a3d
sha1 4fe3a325876de4b2e9e8f1e64378402b31926a13
sha256 00aa0473dd20825e8224731675bec5c2953a1583535217a31266e7d90971da36
sha512 4619487c2a1153638b4c81ee14f03896e3c4163220f2c8aa11825fbf1e390329081a8350b970bbfadafb58dcdd6b40a2af7e19d89c6180fde502b9f9a3458b21
ripemd-160 49f9073392269a5c311fcd92515ea2e39ec95dac

21051644 as geometric shapes

Circle

Radius = n
Diameter 42103288
Circumference 132271380.27278
Area 1.3922650044455E+15

Sphere

Radius = n
Volume 3.9079289636328E+22
Surface area 5.5690600177822E+15
Circumference 132271380.27278

Square

Length = n
Perimeter 84206576
Area 443171715102736
Diagonal 29771520.45505

Cube

Length = n
Surface area 2659030290616416
Volume 9.3294931772122E+21
Space diagonal 36462516.990853

Equilateral Triangle

Length = n
Perimeter 63154932
Area 1.9189898175884E+14
Altitude 18231258.495426

Triangular Pyramid

Length = n
Surface area 1.9189898175884E+14
Volume 1.0994913151067E+21
Height 9923840.1516834