21549072 (number)

21549072 is an even 8-digits composite number following 21549071 and preceding 21549073. In scientific notation, it is written as 2.1549072 × 10^7. The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors. There are 7183008 positive integers (up to 21549072) that are relatively prime to 21549072.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-nine thousand seventy-two

Notation

Scientific notation 2.1549072 × 10^7
Engineering notation 2.1549072 × 10^6

Prime Factorization of 21549072

Prime Factorization 2 × 2 × 2 × 2 × 3 × 448939

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 2693634
Product of the distinct prime numbers

The prime factorization of 21549072 is 2 × 2 × 2 × 2 × 3 × 448939. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21549072)

Multiplication

n×y
n×2 43098144
n×3 64647216
n×4 86196288
n×5 107745360

Division

n÷y
n÷2 10774536
n÷3 7183024
n÷3 5387268
n÷5 4309814.4

Exponentiation

ny
n2 464362504061184
n3 1.0006581034115E+22
n4 2.1563253517797E+29
n5 4.6466810260927E+36

Nth Root

y√n
2√n 4642.097801641
3√n 278.2762810701
4√n 68.132942117899
5√n 29.28773015246

Divisors of 21549072

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21549071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21549072 can be divided by 20 positive divisors. The sum of these divisors (counting 21549072) is 1, the average is 0.05.

Base conversion 21549072

Base System Value
2 Binary 1010010001101000000010000
3 Ternary 1111112210202210
4 Quaternary 1102031000100
5 Quinary 21004032242
6 Senary 2045512120
8 Octal 122150020
10 Decimal 21549072
12 Duodecimal 7272640
16 Hexadecimal 148d010
20 Vigesimal 6edcdc
36 Base36 ctvdc

Cryptographic Hash Functions

md5 6911c087b4b469d1b060aba33c6953de
sha1 a8b31bafd5e97a567ab13c6cbbf1a67a82362e0c
sha256 85f98bffdce64f2f883e856e5e373b3791ac4f1b85db82f833ac70685cbd642d
sha512 a1db811153e8cd17ba92a8d5dfcf3e7cfac871755f356dbdd3caeb50ac79ada62ffec484304f6e6e899985263f8bbc168f9c4a582bce115f5ad0ba4b62a35ed7
ripemd-160 083d70bc403d8c7b925d7e43ece6c167a22248a0

21549072 as geometric shapes

Circle

Radius = n
Diameter 43098144
Circumference 135396812.57376
Area 1.4588378313612E+15

Sphere

Radius = n
Volume 4.1915468619101E+22
Surface area 5.8353513254447E+15
Circumference 135396812.57376

Square

Length = n
Perimeter 86196288
Area 464362504061184
Diagonal 30474989.878954

Cube

Length = n
Surface area 2786175024367104
Volume 1.0006581034115E+22
Space diagonal 37324087.55996

Equilateral Triangle

Length = n
Perimeter 64647216
Area 2.0107486254097E+14
Altitude 18662043.77998

Triangular Pyramid

Length = n
Surface area 2.0107486254097E+14
Volume 1.1792868842859E+21
Height 10158329.959651