28006908 is an even 8-digits composite number following 28006907
and preceding 28006909 . In scientific notation, it is written as 2.8006908 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors.
There are 9335632 positive integers (up to 28006908) that are relatively prime to 28006908.
28006908 has 12 divisors, whose sum is 65349480
The reverse of 28006908 is 80960082
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty-eight million six thousand nine hundred eight
Scientific notation
2.8006908 × 10^7
Engineering notation
2.8006908 × 10^6
Prime Factorization
2 × 2 × 3 × 2333909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
14003454
Product of the distinct prime numbers
The prime factorization of 28006908 is 2 × 2 × 3 × 2333909.
Since it has a total of 4 prime factors.
4 , 8 , 34 , 46 , 296 , 925 , 6413 , 8516 , 89465 , 89878 , 250000 , 809539 , 6821976 , 1402243 , 22681205 , 20682921 , 267881716 , 126947463 , 3157204039 , 282951590
n×2
56013816
n×3
84020724
n×4
112027632
n×5
140034540
n÷2
14003454
n÷3
9335636
n÷3
7001727
n÷5
5601381.6
n2
784386895720464
n3
2.1968251624849E+22
n4
6.1526280217799E+29
n5
1.7231608696421E+37
2 √n
5292.1553265187
3 √n
303.68386746348
4 √n
72.747201503004
5 √n
30.864058463751
1 , 2 , 3 , 4 , 6 , 12 , 2333909 , 4667818 , 7001727 , 9335636 , 14003454 , 28006908
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
-28006907
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 28006908 can be divided by 12 positive divisors.
The sum of these divisors (counting 28006908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101010110101100111111100
3
Ternary
1221200220020220
4
Quaternary
1222311213330
5
Quinary
24132210113
6
Senary
2440141340
8
Octal
152654774
10
Decimal
28006908
12
Duodecimal
9467850
16
Hexadecimal
1ab59fc
20
Vigesimal
8f0h58
36
Base36
goa9o
md5
5a8c1037a982d91818316ff21f52b798
sha1
177640b373ac58677e4cf86a7d4f0183e11910c1
sha256
54d18d34b497d27dc08bb650a4b12931908f393cb83625bcb4e321688e692ea2
sha512
c0915bac9a0ec680d120fe377f523df98eb515033e1ad9158da88fc1ac5b219ce9cf22dc1adf08390f98c3caf1045f0bb6e75f97657b05ee43c41a1afb3ac885
ripemd-160
cf3ec6504eb8abee2924b759f7897cfac1139822
Diameter
56013816
Circumference
175972592.84513
Area
2.4642241091675E+15
Volume
9.2020397222449E+22
Surface area
9.8568964366701E+15
Circumference
175972592.84513
Perimeter
112027632
Area
784386895720464
Diagonal
39607749.133736
Surface area
4706321374322784
Volume
2.1968251624849E+22
Space diagonal
48509387.618907
Perimeter
84020724
Area
3.3964948904477E+14
Altitude
24254693.809454
Surface area
3.3964948904477E+14
Volume
2.5889832824571E+21
Height
13202583.044579