21438042 (number)

21438042 is an even 8-digits composite number following 21438041 and preceding 21438043. In scientific notation, it is written as 2.1438042 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 6738480 positive integers (up to 21438042) that are relatively prime to 21438042.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1438042 × 10^7
Engineering notation 2.1438042 × 10^6

Prime Factorization of 21438042

Prime Factorization 2 × 3 × 491 × 19 × 383

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 21438042
Product of the distinct prime numbers

The prime factorization of 21438042 is 2 × 3 × 491 × 19 × 383. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 7, 2, 62, 186, 283, 8070, 5607, 99382, 55080, 270543, 409156, 5173649, 8238288, 15749401, 57809134, 665757973, 455142095, 5397613589, 7416832213

Basic calculations (n = 21438042)

Multiplication

n×y
n×2 42876084
n×3 64314126
n×4 85752168
n×5 107190210

Division

n÷y
n÷2 10719021
n÷3 7146014
n÷3 5359510.5
n÷5 4287608.4

Exponentiation

ny
n2 459589644793764
n3 9.8527021078538E+21
n4 2.1122264160166E+29
n5 4.5281998620073E+36

Nth Root

y√n
2√n 4630.1233244915
3√n 277.79752522129
4√n 68.045009548765
5√n 29.257487185427

Divisors of 21438042

1, 2, 3, 6, 19, 38, 57, 114, 383, 491, 766, 982, 1149, 1473, 2298, 2946, 7277, 9329, 14554, 18658, 21831, 27987, 43662, 55974, 188053, 376106, 564159, 1128318, 3573007, 7146014, 10719021, 21438042

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21438041
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21438042 can be divided by 32 positive divisors. The sum of these divisors (counting 21438042) is 1, the average is 0.03125.

Base conversion 21438042

Base System Value
2 Binary 1010001110001111001011010
3 Ternary 1111100011110120
4 Quaternary 1101301321122
5 Quinary 20442004132
6 Senary 2043254110
8 Octal 121617132
10 Decimal 21438042
12 Duodecimal 721a336
16 Hexadecimal 1471e5a
20 Vigesimal 6djf22
36 Base36 crhp6

Cryptographic Hash Functions

md5 ab9e2e4470f868ba48382c7b8eb354ef
sha1 6e1f764fffbf49610f8e196a865e27637bca4a16
sha256 9a7565a4ab34650e3850f15df385f26b49eaba603b6fe83b6284fb4b42ae32e3
sha512 a09f13e867a71e29306c862ebed4f37ead17f9ac3a612c297faa575dcacb5254db2d079edc14e29b23ac47150e3ac2e4f6a10c79f5268733827f14488c2686fd
ripemd-160 93d91569e690113d0cc6dc5e67195717d9d86c5f

21438042 as geometric shapes

Circle

Radius = n
Diameter 42876084
Circumference 134699190.5091
Area 1.44384345175E+15

Sphere

Radius = n
Volume 4.1270902080056E+22
Surface area 5.7753738070001E+15
Circumference 134699190.5091

Square

Length = n
Perimeter 85752168
Area 459589644793764
Diagonal 30317969.747124

Cube

Length = n
Surface area 2757537868762584
Volume 9.8527021078538E+21
Space diagonal 37131777.958796

Equilateral Triangle

Length = n
Perimeter 64314126
Area 1.9900815385383E+14
Altitude 18565888.979398

Triangular Pyramid

Length = n
Surface area 1.9900815385383E+14
Volume 1.1611520789124E+21
Height 10105989.915708