21438082 (number)

21438082 is an even 8-digits composite number following 21438081 and preceding 21438083. In scientific notation, it is written as 2.1438082 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 10719040 positive integers (up to 21438082) that are relatively prime to 21438082.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-eight thousand eighty-two

Notation

Scientific notation 2.1438082 × 10^7
Engineering notation 2.1438082 × 10^6

Prime Factorization of 21438082

Prime Factorization 2 × 10719041

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21438082
Product of the distinct prime numbers

The prime factorization of 21438082 is 2 × 10719041. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 10, 47, 4, 542, 83, 5097, 5494, 18119, 77189, 948414, 261280, 6781545, 3033399, 86980541, 94934067, 439806218, 323486569, 4101396023, 4254314932

Basic calculations (n = 21438082)

Multiplication

n×y
n×2 42876164
n×3 64314246
n×4 85752328
n×5 107190410

Division

n÷y
n÷2 10719041
n÷3 7146027.3333333
n÷3 5359520.5
n÷5 4287616.4

Exponentiation

ny
n2 459591359838724
n3 9.8527572587141E+21
n4 2.1122421803841E+29
n5 4.5282421066933E+36

Nth Root

y√n
2√n 4630.1276440288
3√n 277.79769799662
4√n 68.045041289052
5√n 29.257498103389

Divisors of 21438082

1, 2, 10719041, 21438082

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 -21438081
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 21438082 can be divided by 4 positive divisors. The sum of these divisors (counting 21438082) is 1, the average is 0.25.

Base conversion 21438082

Base System Value
2 Binary 1010001110001111010000010
3 Ternary 1111100011112001
4 Quaternary 1101301322002
5 Quinary 20442004312
6 Senary 2043254214
8 Octal 121617202
10 Decimal 21438082
12 Duodecimal 721a36a
16 Hexadecimal 1471e82
20 Vigesimal 6djf42
36 Base36 crhqa

Cryptographic Hash Functions

md5 fbc79203f869aad5a9e7d2b234937dc3
sha1 6d22e40426cdf18d30a9e6ccc58c35299236bb4a
sha256 f444b946c38c88527145590eaf817170f20d81609ef28f3bc7d544f7dc1f7955
sha512 6edff3b882ab57ea9752283d80badca25a08ad43a374e84d3c029365e973c213932a9880cb37c3f6381d412bbd833091ea610843b499b80632e5751c0042521f
ripemd-160 0ecf4a8057b000b701c1a687051f4046b0964ec7

21438082 as geometric shapes

Circle

Radius = n
Diameter 42876164
Circumference 134699441.83651
Area 1.4438488397227E+15

Sphere

Radius = n
Volume 4.127113309544E+22
Surface area 5.7753953588907E+15
Circumference 134699441.83651

Square

Length = n
Perimeter 85752328
Area 459591359838724
Diagonal 30318026.315667

Cube

Length = n
Surface area 2757548159032344
Volume 9.8527572587141E+21
Space diagonal 37131847.240828

Equilateral Triangle

Length = n
Perimeter 64314246
Area 1.9900889649009E+14
Altitude 18565923.620414

Triangular Pyramid

Length = n
Surface area 1.9900889649009E+14
Volume 1.1611585785036E+21
Height 10106008.771889