28681208 is an even 8-digits composite number following 28681207
and preceding 28681209 . In scientific notation, it is written as 2.8681208 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors.
There are 14213248 positive integers (up to 28681208) that are relatively prime to 28681208.
28681208 has 16 divisors, whose sum is 54254880
The reverse of 28681208 is 80218682
Previous prime number is 113
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million six hundred eighty-one thousand two hundred eight
Scientific notation
2.8681208 × 10^7
Engineering notation
2.8681208 × 10^6
Prime Factorization
2 × 2 × 2 × 113 × 31727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
7170302
Product of the distinct prime numbers
The prime factorization of 28681208 is 2 × 2 × 2 × 113 × 31727.
Since it has a total of 5 prime factors.
9 , 6 , 38 , 79 , 663 , 932 , 1393 , 4389 , 60721 , 83724 , 338398 , 133774 , 6246002 , 2094493 , 31954335 , 62668909 , 86859957 , 823175848 , 3861106453 , 5640130831
n×2
57362416
n×3
86043624
n×4
114724832
n×5
143406040
n÷2
14340604
n÷3
9560402.6666667
n÷3
7170302
n÷5
5736241.6
n2
822611692339264
n3
2.3593497051214E+22
n4
6.7668999637327E+29
n5
1.9408286537501E+37
2 √n
5355.4839183775
3 √n
306.10175037651
4 √n
73.181171884423
5 √n
31.011265402457
1 , 2 , 4 , 8 , 113 , 226 , 452 , 904 , 31727 , 63454 , 126908 , 253816 , 3585151 , 7170302 , 14340604 , 28681208
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
-28681207
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 28681208 can be divided by 16 positive divisors.
The sum of these divisors (counting 28681208) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101011010001111111000
3
Ternary
1222222011012222
4
Quaternary
1231122033320
5
Quinary
24320244313
6
Senary
2502423212
8
Octal
155321770
10
Decimal
28681208
12
Duodecimal
9731b08
16
Hexadecimal
1b5a3f8
20
Vigesimal
8j5308
36
Base36
h2qk8
md5
43a4d5fbad564ab50514ab54b8fb847f
sha1
dec1c6b2760fdb3ac5716d93f2c2425e776fbfb4
sha256
de10cd17ffe08a9cc17c930af6f892c25d29da4206bc2d4027f3f7fbccdf768e
sha512
115f4d3322e2b7fe883f4e5f2c948667d45ace8048b4c9a3f82b4711a59c4180ba9bab10a92569f350d71391d8d0f30f4a625361a0277300376e145e05967ba5
ripemd-160
c241f86cb40b5f2e92214467ef8a55229531a6de
Diameter
57362416
Circumference
180209344.69776
Area
2.5843108494101E+15
Volume
9.8828209344784E+22
Surface area
1.033724339764E+16
Circumference
180209344.69776
Perimeter
114724832
Area
822611692339264
Diagonal
40561353.338844
Surface area
4935670154035584
Volume
2.3593497051214E+22
Space diagonal
49677309.478451
Perimeter
86043624
Area
3.5620131150796E+14
Altitude
24838654.739225
Surface area
3.5620131150796E+14
Volume
2.7805202928031E+21
Height
13520451.112948