28006904 is an even 8-digits composite number following 28006903
and preceding 28006905 . In scientific notation, it is written as 2.8006904 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors.
There are 14003448 positive integers (up to 28006904) that are relatively prime to 28006904.
28006904 has 8 divisors, whose sum is 52512960
The reverse of 28006904 is 40960082
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-eight million six thousand nine hundred four
Scientific notation
2.8006904 × 10^7
Engineering notation
2.8006904 × 10^6
Prime Factorization
2 × 2 × 2 × 3500863
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7001726
Product of the distinct prime numbers
The prime factorization of 28006904 is 2 × 2 × 2 × 3500863.
Since it has a total of 4 prime factors.
6 , 4 , 44 , 8 , 121 , 496 , 196 , 6717 , 30821 , 27126 , 867259 , 732370 , 7331304 , 1314780 , 15986958 , 94865409 , 705060430 , 996693755 , 8306852950 , 9469163009
n×2
56013808
n×3
84020712
n×4
112027616
n×5
140034520
n÷2
14003452
n÷3
9335634.6666667
n÷3
7001726
n÷5
5601380.8
n2
784386671665216
n3
2.1968242212207E+22
n4
6.1526245068604E+29
n5
1.7231596391169E+37
2 √n
5292.1549486008
3 √n
303.68385300591
4 √n
72.74719890553
5 √n
30.864057582139
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
-28006903
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 28006904 can be divided by 8 positive divisors.
The sum of these divisors (counting 28006904) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110101100111111000
3
Ternary
1221200220020202
4
Quaternary
1222311213320
5
Quinary
24132210104
6
Senary
2440141332
8
Octal
152654770
10
Decimal
28006904
12
Duodecimal
9467848
16
Hexadecimal
1ab59f8
20
Vigesimal
8f0h54
36
Base36
goa9k
md5
a0ab7252c7addd9fb7d99a1051ed3409
sha1
c952415b322aaf54d9cbd0bc8f4d6b6004caa8af
sha256
3c81c2eb9887a51c9f27b39c3f3625a1ae171a8c00bb4aaa2cec54c93063a882
sha512
669c92d39355539581e9866a83873b60f94479a768a96ff647d3b5eea925fa77c51cf539a4a682d7a3ee4bd0ed044d0c27042ed0075c913e46c367cfa4dcd8f3
ripemd-160
19a7cef3937a5a51ebce25540451028a7d9167f6
Diameter
56013808
Circumference
175972567.71239
Area
2.4642234052772E+15
Volume
9.2020357794869E+22
Surface area
9.8568936211088E+15
Circumference
175972567.71239
Perimeter
112027616
Area
784386671665216
Diagonal
39607743.476881
Surface area
4706320029991296
Volume
2.1968242212207E+22
Space diagonal
48509380.690704
Perimeter
84020712
Area
3.39649392026E+14
Altitude
24254690.345352
Surface area
3.39649392026E+14
Volume
2.5889821731667E+21
Height
13202581.15896