21072545 (number)

21072545 is an odd 8-digits composite number following 21072544 and preceding 21072546. In scientific notation, it is written as 2.1072545 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 15344640 positive integers (up to 21072545) that are relatively prime to 21072545.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1072545 × 10^7
Engineering notation 2.1072545 × 10^6

Prime Factorization of 21072545

Prime Factorization 5 × 13 × 73 × 4441

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21072545
Product of the distinct prime numbers

The prime factorization of 21072545 is 5 × 13 × 73 × 4441. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 28, 65, 905, 574, 8548, 8992, 5054, 168, 453599, 237965, 5646959, 6578062, 66300186, 33240543, 965746299, 367023680, 4059696047, 1745192243

Basic calculations (n = 21072545)

Multiplication

n×y
n×2 42145090
n×3 63217635
n×4 84290180
n×5 105362725

Division

n÷y
n÷2 10536272.5
n÷3 7024181.6666667
n÷3 5268136.25
n÷5 4214509

Exponentiation

ny
n2 444052152777025
n3 9.3573089717407E+21
n4 1.9718231438591E+29
n5 4.1551331931012E+36

Nth Root

y√n
2√n 4590.484179256
3√n 276.2097448219
4√n 67.753111952559
5√n 29.157037673136

Divisors of 21072545

1, 5, 13, 65, 73, 365, 949, 4441, 4745, 22205, 57733, 288665, 324193, 1620965, 4214509, 21072545

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21072544
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21072545 can be divided by 16 positive divisors. The sum of these divisors (counting 21072545) is 1, the average is 0.0625.

Base conversion 21072545

Base System Value
2 Binary 1010000011000101010100001
3 Ternary 1110122121002122
4 Quaternary 1100120222201
5 Quinary 20343310140
6 Senary 2031354025
8 Octal 120305241
10 Decimal 21072545
12 Duodecimal 7082915
16 Hexadecimal 1418aa1
20 Vigesimal 6be175
36 Base36 cjnoh

Cryptographic Hash Functions

md5 0ad5bca614fd0eb44f64b15997198c2d
sha1 1d454b68c283c3f12696df67db024fa9b1011312
sha256 279ce29f53f58cdc22febec0a338c2fb3b27f7f58c4cedc1a5e89868afd2d5cb
sha512 842ba37911bee571f8df820bc864e09fb0201e8649c82ede630fdb1b8fc1be8aadac7a8fc52afcd4a94a53f22d93c017caa33aeaf9df81f57b83f47ea44f6142
ripemd-160 e652a881659ed3f066f1f5995cb8df7dba708fcf

21072545 as geometric shapes

Circle

Radius = n
Diameter 42145090
Circumference 132402705.12888
Area 1.395030980975E+15

Sphere

Radius = n
Volume 3.9195804163987E+22
Surface area 5.5801239239001E+15
Circumference 132402705.12888

Square

Length = n
Perimeter 84290180
Area 444052152777025
Diagonal 29801078.932717

Cube

Length = n
Surface area 2664312916662150
Volume 9.3573089717407E+21
Space diagonal 36498718.584782

Equilateral Triangle

Length = n
Perimeter 63217635
Area 1.9228022245504E+14
Altitude 18249359.292391

Triangular Pyramid

Length = n
Surface area 1.9228022245504E+14
Volume 1.1027694379293E+21
Height 9933692.9775725