21072542 (number)

21072542 is an even 8-digits composite number following 21072541 and preceding 21072543. In scientific notation, it is written as 2.1072542 × 10^7. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 10536270 positive integers (up to 21072542) that are relatively prime to 21072542.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1072542 × 10^7
Engineering notation 2.1072542 × 10^6

Prime Factorization of 21072542

Prime Factorization 2 × 10536271

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21072542
Product of the distinct prime numbers

The prime factorization of 21072542 is 2 × 10536271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21072542)

Multiplication

n×y
n×2 42145084
n×3 63217626
n×4 84290168
n×5 105362710

Division

n÷y
n÷2 10536271
n÷3 7024180.6666667
n÷3 5268135.5
n÷5 4214508.4

Exponentiation

ny
n2 444052026341764
n3 9.3573049752719E+21
n4 1.9718220209823E+29
n5 4.1551302353674E+36

Nth Root

y√n
2√n 4590.4838524931
3√n 276.20973171434
4√n 67.753109541136
5√n 29.157036842946

Divisors of 21072542

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 -21072541
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 21072542 can be divided by 4 positive divisors. The sum of these divisors (counting 21072542) is 1, the average is 0.25.

Base conversion 21072542

Base System Value
2 Binary 1010000011000101010011110
3 Ternary 1110122121002112
4 Quaternary 1100120222132
5 Quinary 20343310132
6 Senary 2031354022
8 Octal 120305236
10 Decimal 21072542
12 Duodecimal 7082912
16 Hexadecimal 1418a9e
20 Vigesimal 6be172
36 Base36 cjnoe

Cryptographic Hash Functions

md5 bac8b8d33fa607ac81f890a03cfb4363
sha1 4da733b2aca34278969ad1bcf2a4907d3e3ef23a
sha256 b5f3872630f1c56f5dc4ff5b9c5828dd71b67afa9db12f96f9df7a85d086e4ec
sha512 2e1501555d6e79960b7d59569d873b3db382a534aef3029f9b934134bbb06eaa326745cc49eb9653fd81d9a125832de33d5857d514e5d72b295f2ffc10766707
ripemd-160 dcd502c2de63042a127a124935bc43f63c3b325f

21072542 as geometric shapes

Circle

Radius = n
Diameter 42145084
Circumference 132402686.27932
Area 1.3950305837669E+15

Sphere

Radius = n
Volume 3.9195787423618E+22
Surface area 5.5801223350678E+15
Circumference 132402686.27932

Square

Length = n
Perimeter 84290168
Area 444052026341764
Diagonal 29801074.690077

Cube

Length = n
Surface area 2664312158050584
Volume 9.3573049752719E+21
Space diagonal 36498713.388629

Equilateral Triangle

Length = n
Perimeter 63217626
Area 1.9228016770696E+14
Altitude 18249356.694315

Triangular Pyramid

Length = n
Surface area 1.9228016770696E+14
Volume 1.1027689669409E+21
Height 9933691.5633589