21438045 (number)

21438045 is an odd 8-digits composite number following 21438044 and preceding 21438046. In scientific notation, it is written as 2.1438045 × 10^7. The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors. There are 11433600 positive integers (up to 21438045) that are relatively prime to 21438045.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1438045 × 10^7
Engineering notation 2.1438045 × 10^6

Prime Factorization of 21438045

Prime Factorization 9 × 5 × 476401

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21438045
Product of the distinct prime numbers

The prime factorization of 21438045 is 9 × 5 × 476401. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21438045)

Multiplication

n×y
n×2 42876090
n×3 64314135
n×4 85752180
n×5 107190225

Division

n÷y
n÷2 10719022.5
n÷3 7146015
n÷3 5359511.25
n÷5 4287609

Exponentiation

ny
n2 459589773422025
n3 9.8527062441612E+21
n4 2.1122275983411E+29
n5 4.5282030303478E+36

Nth Root

y√n
2√n 4630.1236484569
3√n 277.79753817945
4√n 68.045011929288
5√n 29.257488004275

Divisors of 21438045

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 -21438044
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 21438045 can be divided by 8 positive divisors. The sum of these divisors (counting 21438045) is 1, the average is 0.125.

Base conversion 21438045

Base System Value
2 Binary 1010001110001111001011101
3 Ternary 1111100011110200
4 Quaternary 1101301321131
5 Quinary 20442004140
6 Senary 2043254113
8 Octal 121617135
10 Decimal 21438045
12 Duodecimal 721a339
16 Hexadecimal 1471e5d
20 Vigesimal 6djf25
36 Base36 crhp9

Cryptographic Hash Functions

md5 117b14ab321e4ce6e20a5f3aee055861
sha1 c17bfc11c8178b8bc7237f772aee908e024d4446
sha256 f0812ef278867fb6f41b5f7f501d5789361e8a2558cc213fa2408e9bd8adf6b9
sha512 4b1b610f636b3d275ae9830388bccc8f042a92392651a5fa18344410db66c370ea805bfd7034d7f1b4157d05fc3f857c09e10ff9655ba56e1781f8d53d789d1c
ripemd-160 ea734eca770ad79008c25e69b937d5d88598c024

21438045 as geometric shapes

Circle

Radius = n
Diameter 42876090
Circumference 134699209.35865
Area 1.4438438558476E+15

Sphere

Radius = n
Volume 4.127091940618E+22
Surface area 5.7753754233905E+15
Circumference 134699209.35865

Square

Length = n
Perimeter 85752180
Area 459589773422025
Diagonal 30317973.989765

Cube

Length = n
Surface area 2757538640532150
Volume 9.8527062441612E+21
Space diagonal 37131783.154948

Equilateral Triangle

Length = n
Perimeter 64314135
Area 1.990082095515E+14
Altitude 18565891.577474

Triangular Pyramid

Length = n
Surface area 1.990082095515E+14
Volume 1.1611525663809E+21
Height 10105991.329922