21438023 (number)

21438023 is an odd 8-digits composite number following 21438022 and preceding 21438024. In scientific notation, it is written as 2.1438023 × 10^7. The sum of its digits is 23. It has a total of 4 prime factors and 16 positive divisors. There are 19543680 positive integers (up to 21438023) that are relatively prime to 21438023.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-eight thousand twenty-three

Notation

Scientific notation 2.1438023 × 10^7
Engineering notation 2.1438023 × 10^6

Prime Factorization of 21438023

Prime Factorization 19 × 53 × 349 × 61

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21438023
Product of the distinct prime numbers

The prime factorization of 21438023 is 19 × 53 × 349 × 61. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 39, 85, 805, 395, 3436, 5875, 9415, 95713, 850849, 757682, 5969919, 1073260, 79348365, 23074685, 275442802, 615830867, 6410203927, 1872343639

Basic calculations (n = 21438023)

Multiplication

n×y
n×2 42876046
n×3 64314069
n×4 85752092
n×5 107190115

Division

n÷y
n÷2 10719011.5
n÷3 7146007.6666667
n÷3 5359505.75
n÷5 4287604.6

Exponentiation

ny
n2 459588830148529
n3 9.8526759112673E+21
n4 2.1122189279729E+29
n5 4.5281797958919E+36

Nth Root

y√n
2√n 4630.1212727098
3√n 277.79744315294
4√n 68.044994472112
5√n 29.257481999389

Divisors of 21438023

1, 19, 53, 61, 349, 1007, 1159, 3233, 6631, 18497, 21289, 61427, 351443, 404491, 1128317, 21438023

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 -21438022
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 21438023 can be divided by 16 positive divisors. The sum of these divisors (counting 21438023) is 1, the average is 0.0625.

Base conversion 21438023

Base System Value
2 Binary 1010001110001111001000111
3 Ternary 1111100011102212
4 Quaternary 1101301321013
5 Quinary 20442004043
6 Senary 2043254035
8 Octal 121617107
10 Decimal 21438023
12 Duodecimal 721a31b
16 Hexadecimal 1471e47
20 Vigesimal 6djf13
36 Base36 crhon

Cryptographic Hash Functions

md5 e31589ee1f3a93e153365bf60b64f51c
sha1 3be81f474d89dfee46e34527ccb570396ee36747
sha256 056e4be73541b7d4048d05107da8910754ff5b742dc1cedfd3fbeb49fee81b61
sha512 3fc794880ccc5c5a60c05c65845c64859af351e92003b20a200bb91b6a38ff37abca88206be9fb46f6f44bc2134212696eba3b19ca0d70111a783bfb79175c73
ripemd-160 4c1afce3822d41de487b4e0698d494b9c4897c40

21438023 as geometric shapes

Circle

Radius = n
Diameter 42876046
Circumference 134699071.12858
Area 1.4438408924665E+15

Sphere

Radius = n
Volume 4.1270792348051E+22
Surface area 5.7753635698662E+15
Circumference 134699071.12858

Square

Length = n
Perimeter 85752092
Area 459588830148529
Diagonal 30317942.877066

Cube

Length = n
Surface area 2757532980891174
Volume 9.8526759112673E+21
Space diagonal 37131745.04983

Equilateral Triangle

Length = n
Perimeter 64314069
Area 1.990078011021E+14
Altitude 18565872.524915

Triangular Pyramid

Length = n
Surface area 1.990078011021E+14
Volume 1.1611489916151E+21
Height 10105980.959022