21438047 (number)

21438047 is an odd 8-digits composite number following 21438046 and preceding 21438048. In scientific notation, it is written as 2.1438047 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 19798240 positive integers (up to 21438047) that are relatively prime to 21438047.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-eight thousand forty-seven

Notation

Scientific notation 2.1438047 × 10^7
Engineering notation 2.1438047 × 10^6

Prime Factorization of 21438047

Prime Factorization 23 × 29 × 32141

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21438047
Product of the distinct prime numbers

The prime factorization of 21438047 is 23 × 29 × 32141. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21438047)

Multiplication

n×y
n×2 42876094
n×3 64314141
n×4 85752188
n×5 107190235

Division

n÷y
n÷2 10719023.5
n÷3 7146015.6666667
n÷3 5359511.75
n÷5 4287609.4

Exponentiation

ny
n2 459589859174209
n3 9.8527090017001E+21
n4 2.1122283865577E+29
n5 4.5282051425758E+36

Nth Root

y√n
2√n 4630.1238644339
3√n 277.79754681822
4√n 68.045013516303
5√n 29.257488550173

Divisors of 21438047

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 -21438046
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 21438047 can be divided by 8 positive divisors. The sum of these divisors (counting 21438047) is 1, the average is 0.125.

Base conversion 21438047

Base System Value
2 Binary 1010001110001111001011111
3 Ternary 1111100011110202
4 Quaternary 1101301321133
5 Quinary 20442004142
6 Senary 2043254115
8 Octal 121617137
10 Decimal 21438047
12 Duodecimal 721a33b
16 Hexadecimal 1471e5f
20 Vigesimal 6djf27
36 Base36 crhpb

Cryptographic Hash Functions

md5 0c811655c068210af0e6375ce2317b1c
sha1 ccd32d7e7da9817eb9bc9eb5baa08ceb36bac946
sha256 f81532df082fd88bf3fbdeb99468d1766f2f816fe094c484786bc6205352bd0f
sha512 55947a18bf33726d8d481ffecd1728f19221c40e194d629a98b9100a97323eef7cb9e22aa812b970512b3273f964a15b3d72e03e65d9e02b346fac59f178bfe5
ripemd-160 451d8dcb42ff62c5347756aa282f0710a075ea74

21438047 as geometric shapes

Circle

Radius = n
Diameter 42876094
Circumference 134699221.92503
Area 1.4438441252461E+15

Sphere

Radius = n
Volume 4.1270930956932E+22
Surface area 5.7753765009842E+15
Circumference 134699221.92503

Square

Length = n
Perimeter 85752188
Area 459589859174209
Diagonal 30317976.818192

Cube

Length = n
Surface area 2757539155045254
Volume 9.8527090017001E+21
Space diagonal 37131786.61905

Equilateral Triangle

Length = n
Perimeter 64314141
Area 1.9900824668329E+14
Altitude 18565893.309525

Triangular Pyramid

Length = n
Surface area 1.9900824668329E+14
Volume 1.16115289136E+21
Height 10105992.272731