21541838 (number)

21541838 is an even 8-digits composite number following 21541837 and preceding 21541839. In scientific notation, it is written as 2.1541838 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors. There are 10063200 positive integers (up to 21541838) that are relatively prime to 21541838.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred forty-one thousand eight hundred thirty-eight

Notation

Scientific notation 2.1541838 × 10^7
Engineering notation 2.1541838 × 10^6

Prime Factorization of 21541838

Prime Factorization 2 × 29 × 31 × 11981

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21541838
Product of the distinct prime numbers

The prime factorization of 21541838 is 2 × 29 × 31 × 11981. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21541838)

Multiplication

n×y
n×2 43083676
n×3 64625514
n×4 86167352
n×5 107709190

Division

n÷y
n÷2 10770919
n÷3 7180612.6666667
n÷3 5385459.5
n÷5 4308367.6

Exponentiation

ny
n2 464050784418244
n3 9.9965068217107E+21
n4 2.1534313051919E+29
n5 4.6388868320572E+36

Nth Root

y√n
2√n 4641.3185626501
3√n 278.24513857019
4√n 68.127223359315
5√n 29.285763516541

Divisors of 21541838

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 -21541837
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 21541838 can be divided by 16 positive divisors. The sum of these divisors (counting 21541838) is 1, the average is 0.0625.

Base conversion 21541838

Base System Value
2 Binary 1010010001011001111001110
3 Ternary 1111112102211212
4 Quaternary 1102023033032
5 Quinary 21003314323
6 Senary 2045414422
8 Octal 122131716
10 Decimal 21541838
12 Duodecimal 726a412
16 Hexadecimal 148b3ce
20 Vigesimal 6ecebi
36 Base36 ctpse

Cryptographic Hash Functions

md5 b288aca73b9e3750db844bb366ef6f21
sha1 e2179be81316e2daeeeb4621eaf4cd669c38e971
sha256 29b18491b916bf384809eb6b0f8238a97e4334516b81859abb8d5886e56157d1
sha512 68c0f19b85fb9eae5b4360068ad445eba60a18d1bb6bbf210deb4947e1a71e9c9308366e3ca683c8818e458db7ccaa35cda1ef376642b0b5cfdb8cb443cd246c
ripemd-160 9df4d31a984e5c8b38e1dfb819bbf566fa3a5486

21541838 as geometric shapes

Circle

Radius = n
Diameter 43083676
Circumference 135351360.01124
Area 1.4578585352209E+15

Sphere

Radius = n
Volume 4.1873269856862E+22
Surface area 5.8314341408837E+15
Circumference 135351360.01124

Square

Length = n
Perimeter 86167352
Area 464050784418244
Diagonal 30464759.458044

Cube

Length = n
Surface area 2784304706509464
Volume 9.9965068217107E+21
Space diagonal 37311557.904418

Equilateral Triangle

Length = n
Perimeter 64625514
Area 2.0093988397615E+14
Altitude 18655778.952209

Triangular Pyramid

Length = n
Surface area 2.0093988397615E+14
Volume 1.1780996269682E+21
Height 10154919.819348