28468638 (number)

28468638 is an even 8-digits composite number following 28468637 and preceding 28468639. In scientific notation, it is written as 2.8468638 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 8624880 positive integers (up to 28468638) that are relatively prime to 28468638.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8468638 × 10^7
Engineering notation 2.8468638 × 10^6

Prime Factorization of 28468638

Prime Factorization 2 × 9 × 3 × 121 × 4357

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28468638
Product of the distinct prime numbers

The prime factorization of 28468638 is 2 × 9 × 3 × 121 × 4357. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 2, 51, 4, 799, 445, 5572, 59, 43649, 32187, 739557, 699612, 3719741, 1360952, 59689054, 20896486, 271539495, 708809514, 6723480508, 778325636

Basic calculations (n = 28468638)

Multiplication

n×y
n×2 56937276
n×3 85405914
n×4 113874552
n×5 142343190

Division

n÷y
n÷2 14234319
n÷3 9489546
n÷3 7117159.5
n÷5 5693727.6

Exponentiation

ny
n2 810463349575044
n3 2.3072787711319E+22
n4 6.568508410044E+29
n5 1.869964881255E+37

Nth Root

y√n
2√n 5335.6009970761
3√n 305.34365278311
4√n 73.045198316359
5√n 30.965160686028

Divisors of 28468638

1, 2, 3, 6, 9, 18, 27, 54, 121, 242, 363, 726, 1089, 2178, 3267, 4357, 6534, 8714, 13071, 26142, 39213, 78426, 117639, 235278, 527197, 1054394, 1581591, 3163182, 4744773, 9489546, 14234319, 28468638

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 -28468637
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 28468638 can be divided by 32 positive divisors. The sum of these divisors (counting 28468638) is 1, the average is 0.03125.

Base conversion 28468638

Base System Value
2 Binary 1101100100110010110011110
3 Ternary 1222120100122000
4 Quaternary 1230212112132
5 Quinary 24241444023
6 Senary 2454103130
8 Octal 154462636
10 Decimal 28468638
12 Duodecimal 964aaa6
16 Hexadecimal 1b2659e
20 Vigesimal 8hibbi
36 Base36 gy6ji

Cryptographic Hash Functions

md5 d6256d206fbb27200553b76517f830fc
sha1 36b634c54023ebe856d4366ee6ead9fd18b42569
sha256 7210342190a30388afbb6e50eb546302bbb525c13d8631eab6835c7d1efd1868
sha512 9ebed10e128a1dc7e0ec59bcc53ba027573468d7be2e1bab984151eef8c75fa5aa0a03f73ddb98aeef75a746b2fe2d115b16e736e939823ca129be8abb2fb9ed
ripemd-160 93c87b71e57f85cc4c6d928b20ec3cf601f5fea4

28468638 as geometric shapes

Circle

Radius = n
Diameter 56937276
Circumference 178873727.99701
Area 2.5461457050287E+15

Sphere

Radius = n
Volume 9.664706716229E+22
Surface area 1.0184582820115E+16
Circumference 178873727.99701

Square

Length = n
Perimeter 113874552
Area 810463349575044
Diagonal 40260733.96189

Cube

Length = n
Surface area 4862780097450264
Volume 2.3072787711319E+22
Space diagonal 49309127.438286

Equilateral Triangle

Length = n
Perimeter 85405914
Area 3.5094092478411E+14
Altitude 24654563.719143

Triangular Pyramid

Length = n
Surface area 3.5094092478411E+14
Volume 2.7191541085919E+21
Height 13420244.653963