28638081 (number)

28638081 is an odd 8-digits composite number following 28638080 and preceding 28638082. In scientific notation, it is written as 2.8638081 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors. There are 17968896 positive integers (up to 28638081) that are relatively prime to 28638081.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8638081 × 10^7
Engineering notation 2.8638081 × 10^6

Prime Factorization of 28638081

Prime Factorization 17 × 3 × 3 × 187177

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9546027
Product of the distinct prime numbers

The prime factorization of 28638081 is 17 × 3 × 3 × 187177. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 5, 75, 82, 123, 421, 2776, 7038, 88689, 78049, 17368, 839519, 359356, 8695666, 82677049, 41166438, 469971430, 549515594, 9791620709, 3078469213

Basic calculations (n = 28638081)

Multiplication

n×y
n×2 57276162
n×3 85914243
n×4 114552324
n×5 143190405

Division

n÷y
n÷2 14319040.5
n÷3 9546027
n÷3 7159520.25
n÷5 5727616.2

Exponentiation

ny
n2 820139683362561
n3 2.3487226683451E+22
n4 6.7262910022604E+29
n5 1.9262806655231E+37

Nth Root

y√n
2√n 5351.4559701076
3√n 305.9482483287
4√n 73.153646321339
5√n 31.001933661721

Divisors of 28638081

1, 3, 9, 17, 51, 153, 187177, 561531, 1684593, 3182009, 9546027, 28638081

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28638080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28638081 can be divided by 12 positive divisors. The sum of these divisors (counting 28638081) is 1, the average is 0.083333333333333.

Base conversion 28638081

Base System Value
2 Binary 1101101001111101110000001
3 Ternary 1222212222001200
4 Quaternary 1231033232001
5 Quinary 24312404311
6 Senary 2501451413
8 Octal 155175601
10 Decimal 28638081
12 Duodecimal 9710b69
16 Hexadecimal 1b4fb81
20 Vigesimal 8ijf41
36 Base36 h1ta9

Cryptographic Hash Functions

md5 f55972c7988b6a6542bfaf9ce0049a6b
sha1 b9081c15b52dd8dd1d44a5186d6669d41f877282
sha256 e8a91865845fba203309bc815e3b04199c5e3d2f8b16e1381fa69c095ff4b90b
sha512 e3b682f5cb17b5d83c0d877b81307f1cbf0de0a15ac565d7d1646878d7ea5514c106080ae795cf8aae814c87ffc038ddc4de228652bbe196e38a90320ef3c541
ripemd-160 e8b6036791d43c1e117abcca72c576a582d13a31

28638081 as geometric shapes

Circle

Radius = n
Diameter 57276162
Circumference 179938369.76502
Area 2.5765448041693E+15

Sphere

Radius = n
Volume 9.8383065069239E+22
Surface area 1.0306179216677E+16
Circumference 179938369.76502

Square

Length = n
Perimeter 114552324
Area 820139683362561
Diagonal 40500362.550539

Cube

Length = n
Surface area 4920838100175366
Volume 2.3487226683451E+22
Space diagonal 49602611.323273

Equilateral Triangle

Length = n
Perimeter 85914243
Area 3.5513090022185E+14
Altitude 24801305.661636

Triangular Pyramid

Length = n
Surface area 3.5513090022185E+14
Volume 2.7679962098557E+21
Height 13500120.85018