28423938 (number)

28423938 is an even 8-digits composite number following 28423937 and preceding 28423939. In scientific notation, it is written as 2.8423938 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors. There are 9302400 positive integers (up to 28423938) that are relatively prime to 28423938.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8423938 × 10^7
Engineering notation 2.8423938 × 10^6

Prime Factorization of 28423938

Prime Factorization 2 × 3 × 151 × 137 × 229

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28423938
Product of the distinct prime numbers

The prime factorization of 28423938 is 2 × 3 × 151 × 137 × 229. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28423938)

Multiplication

n×y
n×2 56847876
n×3 85271814
n×4 113695752
n×5 142119690

Division

n÷y
n÷2 14211969
n÷3 9474646
n÷3 7105984.5
n÷5 5684787.6

Exponentiation

ny
n2 807920251427844
n3 2.2964275135529E+22
n4 6.5273513266723E+29
n5 1.8553302941355E+37

Nth Root

y√n
2√n 5331.4105075486
3√n 305.18375740281
4√n 73.016508459037
5√n 30.95543059057

Divisors of 28423938

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 -28423937
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 28423938 can be divided by 32 positive divisors. The sum of these divisors (counting 28423938) is 1, the average is 0.03125.

Base conversion 28423938

Base System Value
2 Binary 1101100011011011100000010
3 Ternary 1222111002022110
4 Quaternary 1230123130002
5 Quinary 24234031223
6 Senary 2453120150
8 Octal 154333402
10 Decimal 28423938
12 Duodecimal 9629056
16 Hexadecimal 1b1b702
20 Vigesimal 8hcjgi
36 Base36 gx81u

Cryptographic Hash Functions

md5 8a5b22cb46888b0b129731dfce2f3e4c
sha1 a24a3a37ad3414dddc0a47ef305329bdcbf84b12
sha256 b632009c90eec9ff96f70d8893bd2ad60ad78376f29623f33e95ce036fe673d9
sha512 4d60720b99b8c087d8ec777043886d84505ed2530d249e10b139545d9c2173124443275533e7bb34df551f286129fa28d1aab8ba21ebfcbd1f580fa392d75a0e
ripemd-160 1817022e6ffb1b399b497750eff7502ff7254772

28423938 as geometric shapes

Circle

Radius = n
Diameter 56847876
Circumference 178592869.61378
Area 2.5381563265721E+15

Sphere

Radius = n
Volume 9.6192530747725E+22
Surface area 1.0152625306289E+16
Circumference 178592869.61378

Square

Length = n
Perimeter 113695752
Area 807920251427844
Diagonal 40197518.615652

Cube

Length = n
Surface area 4847521508567064
Volume 2.2964275135529E+22
Space diagonal 49231704.767188

Equilateral Triangle

Length = n
Perimeter 85271814
Area 3.4983973098421E+14
Altitude 24615852.383594

Triangular Pyramid

Length = n
Surface area 3.4983973098421E+14
Volume 2.7063657788944E+21
Height 13399172.871884