28581738 is an even 8-digits composite number following 28581737
and preceding 28581739 . In scientific notation, it is written as 2.8581738 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 8989056 positive integers (up to 28581738) that are relatively prime to 28581738.
28581738 has 32 divisors, whose sum is 60417600
The reverse of 28581738 is 83718582
Previous prime number is 409
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million five hundred eighty-one thousand seven hundred thirty-eight
Scientific notation
2.8581738 × 10^7
Engineering notation
2.8581738 × 10^6
Prime Factorization
2 × 3 × 19 × 409 × 613
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28581738
Product of the distinct prime numbers
The prime factorization of 28581738 is 2 × 3 × 19 × 409 × 613.
Since it has a total of 5 prime factors.
2 , 6 , 99 , 98 , 126 , 45 , 9776 , 6980 , 52900 , 39790 , 865953 , 583186 , 9813025 , 3469550 , 49998371 , 20819154 , 110225575 , 154405500 , 9095342422 , 3824720508
n×2
57163476
n×3
85745214
n×4
114326952
n×5
142908690
n÷2
14290869
n÷3
9527246
n÷3
7145434.5
n÷5
5716347.6
n2
816915747100644
n3
2.3348871851705E+22
n4
6.67351337861E+29
n5
1.9074061092693E+37
2 √n
5346.189110011
3 √n
305.74747417622
4 √n
73.117638843243
5 √n
30.989725314381
1 , 2 , 3 , 6 , 19 , 38 , 57 , 114 , 409 , 613 , 818 , 1226 , 1227 , 1839 , 2454 , 3678 , 7771 , 11647 , 15542 , 23294 , 23313 , 34941 , 46626 , 69882 , 250717 , 501434 , 752151 , 1504302 , 4763623 , 9527246 , 14290869 , 28581738
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
-28581737
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 28581738 can be divided by 32 positive divisors.
The sum of these divisors (counting 28581738) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101101000001111101101010
3
Ternary
1222210002202220
4
Quaternary
1231001331222
5
Quinary
24304103423
6
Senary
2500334510
8
Octal
155017552
10
Decimal
28581738
12
Duodecimal
96a4436
16
Hexadecimal
1b41f6a
20
Vigesimal
8ice6i
36
Base36
h0lt6
md5
45c2fcb0ea80a71a071ce1bf907f11c3
sha1
f86575552aa5366da42640c77fa5051f147711ff
sha256
ecdd88f98830dbdd8860bcf30ec8a2208003d351206193952a83712d8639b590
sha512
2b3a453962e65beec7401cece84b08c927f046cf4870e1860c9fcc1542309e0ad75ace7b49fc10b428bfe68de93c0e59cb0024c734964615c7fb066409914290
ripemd-160
54a0f0140788906cecec49c3f5d69c2791aca6d6
Diameter
57163476
Circumference
179584356.25526
Area
2.5664165096932E+15
Volume
9.7803525705234E+22
Surface area
1.0265666038773E+16
Circumference
179584356.25526
Perimeter
114326952
Area
816915747100644
Diagonal
40420681.515794
Surface area
4901494482603864
Volume
2.3348871851705E+22
Space diagonal
49505022.384622
Perimeter
85745214
Area
3.5373489487035E+14
Altitude
24752511.192311
Surface area
3.5373489487035E+14
Volume
2.751690936566E+21
Height
13473560.505265