28694725 is an odd 8-digits composite number following 28694724
and preceding 28694726 . In scientific notation, it is written as 2.8694725 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 21369600 positive integers (up to 28694725) that are relatively prime to 28694725.
28694725 has 16 divisors, whose sum is 31943808
The reverse of 28694725 is 52749682
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-eight million six hundred ninety-four thousand seven hundred twenty-five
Scientific notation
2.8694725 × 10^7
Engineering notation
2.8694725 × 10^6
Prime Factorization
25 × 17 × 107 × 631
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28694725
Product of the distinct prime numbers
The prime factorization of 28694725 is 25 × 17 × 107 × 631.
Since it has a total of 4 prime factors.
7 , 5 , 9 , 36 , 1000 , 675 , 405 , 6420 , 11263 , 6976 , 290193 , 44613 , 4753289 , 9012957 , 18860636 , 49714548 , 94516013 , 883353984 , 8744776569 , 3693560740
n×2
57389450
n×3
86084175
n×4
114778900
n×5
143473625
n÷2
14347362.5
n÷3
9564908.3333333
n÷3
7173681.25
n÷5
5738945
n2
823387242825625
n3
2.362687050139E+22
n4
6.7796655164798E+29
n5
1.9454063758737E+37
2 √n
5356.7457471864
3 √n
306.14982979653
4 √n
73.189792643417
5 √n
31.014187875428
1 , 17 , 25 , 107 , 425 , 631 , 1819 , 2675 , 10727 , 15775 , 45475 , 67517 , 268175 , 1147789 , 1687925 , 28694725
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28694724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28694725 can be divided by 16 positive divisors.
The sum of these divisors (counting 28694725) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011101100011000101
3
Ternary
1222222211202121
4
Quaternary
1231131203011
5
Quinary
24321212400
6
Senary
2503005541
8
Octal
155354305
10
Decimal
28694725
12
Duodecimal
97398b1
16
Hexadecimal
1b5d8c5
20
Vigesimal
8j6gg5
36
Base36
h30zp
md5
796f413f4a0eb81ca8fc84a56eae7766
sha1
5dc8b992b0ec8205565f4167392076fa8fa491fd
sha256
2816120650b707170687214d3e3b0d1e324df2f9d4f7b431929d038d83f79d76
sha512
7b0cbdefc3dbb87e38ec554693a78975466ed89b0c64df3beda15aa620fb37607b931b9de9b491bdd2c1ca12ee8109b76eb5758c004941f417a2372f26f80c17
ripemd-160
ea3f909bf294ed6e920520dede2adc4fa2231c4c
Diameter
57389450
Circumference
180294274.51356
Area
2.5867473131205E+15
Volume
9.8968003725977E+22
Surface area
1.0346989252482E+16
Circumference
180294274.51356
Perimeter
114778900
Area
823387242825625
Diagonal
40580469.263566
Surface area
4940323456953750
Volume
2.362687050139E+22
Space diagonal
49700721.609217
Perimeter
86084175
Area
3.5653713471951E+14
Altitude
24850360.804608
Surface area
3.5653713471951E+14
Volume
2.7844533916248E+21
Height
13526823.087855