28001838 (number)

28001838 is an even 8-digits composite number following 28001837 and preceding 28001839. In scientific notation, it is written as 2.8001838 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 9333944 positive integers (up to 28001838) that are relatively prime to 28001838.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8001838 × 10^7
Engineering notation 2.8001838 × 10^6

Prime Factorization of 28001838

Prime Factorization 2 × 3 × 4666973

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28001838
Product of the distinct prime numbers

The prime factorization of 28001838 is 2 × 3 × 4666973. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28001838)

Multiplication

n×y
n×2 56003676
n×3 84005514
n×4 112007352
n×5 140009190

Division

n÷y
n÷2 14000919
n÷3 9333946
n÷3 7000459.5
n÷5 5600367.6

Exponentiation

ny
n2 784102931378244
n3 2.1956323259779E+22
n4 6.1481740699596E+29
n5 1.7216017430281E+37

Nth Root

y√n
2√n 5291.6762939545
3√n 303.66554138806
4√n 72.743908981814
5√n 30.862940938686

Divisors of 28001838

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 -28001837
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 28001838 can be divided by 8 positive divisors. The sum of these divisors (counting 28001838) is 1, the average is 0.125.

Base conversion 28001838

Base System Value
2 Binary 1101010110100011000101110
3 Ternary 1221200122022010
4 Quaternary 1222310120232
5 Quinary 24132024323
6 Senary 2440102050
8 Octal 152643056
10 Decimal 28001838
12 Duodecimal 9464926
16 Hexadecimal 1ab462e
20 Vigesimal 8f04bi
36 Base36 go6cu

Cryptographic Hash Functions

md5 03c35bc51d61394d6a256763ae94f2d4
sha1 1356e52b14610ef7db6447e8646d24365899d623
sha256 7dc11b967418f2968bdd05d280d5ec0048eef817b7f19f43d320b23e09dfcad7
sha512 3657f195a4b3be9230094b4b419426dc8a4b0e3aed71da1ac61fc691e8e7cef083b6d2eedb65efd5d34c92c4bc65b8ea9f81d76ec8cdc327d9def85b7cdccf18
ripemd-160 72f652e6878b624fcd7be9fc663638a14619c307

28001838 as geometric shapes

Circle

Radius = n
Diameter 56003676
Circumference 175940737.09562
Area 2.4633320088761E+15

Sphere

Radius = n
Volume 9.1970431803685E+22
Surface area 9.8533280355045E+15
Circumference 175940737.09562

Square

Length = n
Perimeter 112007352
Area 784102931378244
Diagonal 39600579.070974

Cube

Length = n
Surface area 4704617588269464
Volume 2.1956323259779E+22
Space diagonal 48500606.121313

Equilateral Triangle

Length = n
Perimeter 84005514
Area 3.395265288777E+14
Altitude 24250303.060656

Triangular Pyramid

Length = n
Surface area 3.395265288777E+14
Volume 2.5875775111522E+21
Height 13200193.023658