21438061 (number)

21438061 is an odd 8-digits composite number following 21438060 and preceding 21438062. In scientific notation, it is written as 2.1438061 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 20220480 positive integers (up to 21438061) that are relatively prime to 21438061.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1438061 × 10^7
Engineering notation 2.1438061 × 10^6

Prime Factorization of 21438061

Prime Factorization 19 × 239 × 4721

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21438061
Product of the distinct prime numbers

The prime factorization of 21438061 is 19 × 239 × 4721. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21438061)

Multiplication

n×y
n×2 42876122
n×3 64314183
n×4 85752244
n×5 107190305

Division

n÷y
n÷2 10719030.5
n÷3 7146020.3333333
n÷3 5359515.25
n÷5 4287612.2

Exponentiation

ny
n2 459590459439721
n3 9.8527283044868E+21
n4 2.1122339040801E+29
n5 4.5282199281938E+36

Nth Root

y√n
2√n 4630.1253762722
3√n 277.7976072896
4√n 68.045024625407
5√n 29.257492371461

Divisors of 21438061

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 -21438060
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 21438061 can be divided by 8 positive divisors. The sum of these divisors (counting 21438061) is 1, the average is 0.125.

Base conversion 21438061

Base System Value
2 Binary 1010001110001111001101101
3 Ternary 1111100011111021
4 Quaternary 1101301321231
5 Quinary 20442004221
6 Senary 2043254141
8 Octal 121617155
10 Decimal 21438061
12 Duodecimal 721a351
16 Hexadecimal 1471e6d
20 Vigesimal 6djf31
36 Base36 crhpp

Cryptographic Hash Functions

md5 fc71065dd9c3ed70ec5ad164ee11f22b
sha1 7bafcbd6402de5adcd333d3cc5f6106c93e158a2
sha256 3df9645bc9b6cdee3791c0ca104118ef66695d343afe215dc7a28e7327c39e2f
sha512 c568062c71a181f599077893cd75d74df684deef75ae923dfdac0247b276fc1859a2d9aa06509b6c373a8e422c636ada01a15ae195301c7c0ad2a6d0c633d154
ripemd-160 6773c19f1e56f80b87d65c33ee5a527ceec55e13

21438061 as geometric shapes

Circle

Radius = n
Diameter 42876122
Circumference 134699309.88962
Area 1.4438460110358E+15

Sphere

Radius = n
Volume 4.1271011812256E+22
Surface area 5.7753840441431E+15
Circumference 134699309.88962

Square

Length = n
Perimeter 85752244
Area 459590459439721
Diagonal 30317996.617182

Cube

Length = n
Surface area 2757542756638326
Volume 9.8527283044868E+21
Space diagonal 37131810.867761

Equilateral Triangle

Length = n
Perimeter 64314183
Area 1.9900850660588E+14
Altitude 18565905.43388

Triangular Pyramid

Length = n
Surface area 1.9900850660588E+14
Volume 1.1611551662152E+21
Height 10105998.872394