28421938 (number)

28421938 is an even 8-digits composite number following 28421937 and preceding 28421939. In scientific notation, it is written as 2.8421938 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 13802400 positive integers (up to 28421938) that are relatively prime to 28421938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8421938 × 10^7
Engineering notation 2.8421938 × 10^6

Prime Factorization of 28421938

Prime Factorization 2 × 41 × 271 × 1279

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28421938
Product of the distinct prime numbers

The prime factorization of 28421938 is 2 × 41 × 271 × 1279. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 58, 41, 75, 353, 3521, 4430, 73372, 17142, 141907, 414427, 2607792, 5153886, 59462708, 63014856, 411583215, 544001834, 4542560047, 7063982607

Basic calculations (n = 28421938)

Multiplication

n×y
n×2 56843876
n×3 85265814
n×4 113687752
n×5 142109690

Division

n÷y
n÷2 14210969
n÷3 9473979.3333333
n÷3 7105484.5
n÷5 5684387.6

Exponentiation

ny
n2 807806559675844
n3 2.29594279551E+22
n4 6.5255143785532E+29
n5 1.8546776508535E+37

Nth Root

y√n
2√n 5331.2229366253
3√n 305.17659933026
4√n 73.015224005856
5√n 30.954994953511

Divisors of 28421938

1, 2, 41, 82, 271, 542, 1279, 2558, 11111, 22222, 52439, 104878, 346609, 693218, 14210969, 28421938

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 -28421937
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 28421938 can be divided by 16 positive divisors. The sum of these divisors (counting 28421938) is 1, the average is 0.0625.

Base conversion 28421938

Base System Value
2 Binary 1101100011010111100110010
3 Ternary 1222110222120101
4 Quaternary 1230122330302
5 Quinary 24234000223
6 Senary 2453103014
8 Octal 154327462
10 Decimal 28421938
12 Duodecimal 9627a6a
16 Hexadecimal 1b1af32
20 Vigesimal 8hcegi
36 Base36 gx6ia

Cryptographic Hash Functions

md5 ef8c6f6d677b5ae6f8ea220fbfaf92be
sha1 3d4d67ae19aa39d4cc4146233fd5c8969247b8cd
sha256 0e7584f23ba4b977f098f009b992b403a3cd274ccc2a86208323a59e2ee95a48
sha512 7e16fcebd8339d7169b61e7efa0dd7b878f11454631684925bc99e815293e29ce53239e8df43faa55c8ff73bb1bb6d0093650919f726123a6739b6757556f5a4
ripemd-160 bfc3481932264b4321d05b999bedb16a4b7ca87e

28421938 as geometric shapes

Circle

Radius = n
Diameter 56843876
Circumference 178580303.24317
Area 2.5377991533993E+15

Sphere

Radius = n
Volume 9.6172226925822E+22
Surface area 1.0151196613597E+16
Circumference 178580303.24317

Square

Length = n
Perimeter 113687752
Area 807806559675844
Diagonal 40194690.188527

Cube

Length = n
Surface area 4846839358055064
Volume 2.29594279551E+22
Space diagonal 49228240.665573

Equilateral Triangle

Length = n
Perimeter 85265814
Area 3.497905010115E+14
Altitude 24614120.332786

Triangular Pyramid

Length = n
Surface area 3.497905010115E+14
Volume 2.7057945332025E+21
Height 13398230.062842