28008712 is an even 8-digits composite number following 28008711
and preceding 28008713 . In scientific notation, it is written as 2.8008712 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 8 positive divisors.
There are 14004352 positive integers (up to 28008712) that are relatively prime to 28008712.
28008712 has 8 divisors, whose sum is 52516350
The reverse of 28008712 is 21780082
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million eight thousand seven hundred twelve
Scientific notation
2.8008712 × 10^7
Engineering notation
2.8008712 × 10^6
Prime Factorization
2 × 2 × 2 × 3501089
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
7002178
Product of the distinct prime numbers
The prime factorization of 28008712 is 2 × 2 × 2 × 3501089.
Since it has a total of 4 prime factors.
3 , 3 , 61 , 57 , 545 , 767 , 2084 , 8867 , 49800 , 23963 , 644762 , 881456 , 2874661 , 2069619 , 84098042 , 48558689 , 83254852 , 811952167 , 4944970614 , 1068697947
n×2
56017424
n×3
84026136
n×4
112034848
n×5
140043560
n÷2
14004356
n÷3
9336237.3333333
n÷3
7002178
n÷5
5601742.4
n2
784487947898944
n3
2.1972497000173E+22
n4
6.154213403987E+29
n5
1.7237159081881E+37
2 √n
5292.3257647276
3 √n
303.6903876874
4 √n
72.74837293526
5 √n
30.864456060851
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
-28008711
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 28008712 can be divided by 8 positive divisors.
The sum of these divisors (counting 28008712) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101010110110000100001000
3
Ternary
1221200222201201
4
Quaternary
1222312010020
5
Quinary
24132234322
6
Senary
2440153544
8
Octal
152660410
10
Decimal
28008712
12
Duodecimal
94688b4
16
Hexadecimal
1ab6108
20
Vigesimal
8f11fc
36
Base36
gobns
md5
602c38396608dd4dc7b38c1c01d26416
sha1
910a6c8eb0b0d1123cd0e57497ce074a7a2edd1a
sha256
c2092e35649d29b23534ed0b9b2963efa2df1ee1f331a5c32d2c0e10c0af331d
sha512
7e1f0528aea60742a2f37ec2ced24784ba826f60b2582e2d5f763082d14f7c1f49e63e2808228f017611c2e47615218bd03395c08d5e2f7c0b4f6eaff6ba9977
ripemd-160
391953b84117c5bd63993cca96f1e916658aa04a
Diameter
56017424
Circumference
175983927.71142
Area
2.4645415739491E+15
Volume
9.2038180209021E+22
Surface area
9.8581662957962E+15
Circumference
175983927.71142
Perimeter
112034848
Area
784487947898944
Diagonal
39610300.375002
Surface area
4706927687393664
Volume
2.1972497000173E+22
Space diagonal
48512512.238564
Perimeter
84026136
Area
3.396932459216E+14
Altitude
24256256.119282
Surface area
3.396932459216E+14
Volume
2.5894836047372E+21
Height
13203433.458334