21542451 (number)

21542451 is an odd 8-digits composite number following 21542450 and preceding 21542452. In scientific notation, it is written as 2.1542451 × 10^7. The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors. There are 11585664 positive integers (up to 21542451) that are relatively prime to 21542451.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-two thousand four hundred fifty-one

Notation

Scientific notation 2.1542451 × 10^7
Engineering notation 2.1542451 × 10^6

Prime Factorization of 21542451

Prime Factorization 3 × 119 × 60343

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21542451
Product of the distinct prime numbers

The prime factorization of 21542451 is 3 × 119 × 60343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21542451)

Multiplication

n×y
n×2 43084902
n×3 64627353
n×4 86169804
n×5 107712255

Division

n÷y
n÷2 10771225.5
n÷3 7180817
n÷3 5385612.75
n÷5 4308490.2

Exponentiation

ny
n2 464077195087401
n3 9.9973602353878E+21
n4 2.1536764300019E+29
n5 4.6395468963171E+36

Nth Root

y√n
2√n 4641.3845994487
3√n 278.24777781654
4√n 68.127708015526
5√n 29.285930187265

Divisors of 21542451

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21542450
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21542451 can be divided by 8 positive divisors. The sum of these divisors (counting 21542451) is 1, the average is 0.125.

Base conversion 21542451

Base System Value
2 Binary 1010010001011011000110011
3 Ternary 1111112110200120
4 Quaternary 1102023120303
5 Quinary 21003324301
6 Senary 2045421323
8 Octal 122133063
10 Decimal 21542451
12 Duodecimal 726a843
16 Hexadecimal 148b633
20 Vigesimal 6ecg2b
36 Base36 ctq9f

Cryptographic Hash Functions

md5 56eed6ee519837408d57702f5c9f2344
sha1 f897453664a8036e69fdc03866e9fe17618c8edc
sha256 b338f19c689cedccf10e097ecb376e6c67397b8c9435d8fc94133c599b3920a5
sha512 e10ab520f54555aacbe80564d48e9597cc3a3bbe7f03b6e6925278e768d5ddbe14c9ef391e9e1c7831847d1598ee31b8fbbbf77f1ec1743aba8ad37de89fde5c
ripemd-160 dda8076a9dd12f0c29b43b0a35e6a42e71facde9

21542451 as geometric shapes

Circle

Radius = n
Diameter 43084902
Circumference 135355211.60384
Area 1.4579415067851E+15

Sphere

Radius = n
Volume 4.1876844627713E+22
Surface area 5.8317660271405E+15
Circumference 135355211.60384

Square

Length = n
Perimeter 86169804
Area 464077195087401
Diagonal 30465626.370958

Cube

Length = n
Surface area 2784463170524406
Volume 9.9973602353878E+21
Space diagonal 37312619.651563

Equilateral Triangle

Length = n
Perimeter 64627353
Area 2.0095132013136E+14
Altitude 18656309.825781

Triangular Pyramid

Length = n
Surface area 2.0095132013136E+14
Volume 1.1782002027346E+21
Height 10155208.790319