28152081 is an odd 8-digits composite number following 28152080
and preceding 28152082 . In scientific notation, it is written as 2.8152081 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 6 positive divisors.
There are 18768048 positive integers (up to 28152081) that are relatively prime to 28152081.
28152081 has 6 divisors, whose sum is 40664130
The reverse of 28152081 is 18025182
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million one hundred fifty-two thousand eighty-one
Scientific notation
2.8152081 × 10^7
Engineering notation
2.8152081 × 10^6
Prime Factorization
3 × 3 × 3128009
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
9384027
Product of the distinct prime numbers
The prime factorization of 28152081 is 3 × 3 × 3128009.
Since it has a total of 3 prime factors.
3 , 9 , 61 , 99 , 317 , 408 , 9877 , 7601 , 58606 , 58355 , 999415 , 780112 , 1322577 , 3183349 , 59699947 , 80004185 , 692071021 , 365080880 , 3845429608 , 5407414582
n×2
56304162
n×3
84456243
n×4
112608324
n×5
140760405
n÷2
14076040.5
n÷3
9384027
n÷3
7038020.25
n÷5
5630416.2
n2
792539664630561
n3
2.2311640834392E+22
n4
6.2811912001272E+29
n5
1.7682860344247E+37
2 √n
5305.8534657489
3 √n
304.20767564504
4 √n
72.841289566762
5 √n
30.895988919377
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28152080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28152081 can be divided by 6 positive divisors.
The sum of these divisors (counting 28152081) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101011011001000100010001
3
Ternary
1221222021101200
4
Quaternary
1223121010101
5
Quinary
24201331311
6
Senary
2443221413
8
Octal
153310421
10
Decimal
28152081
12
Duodecimal
9517869
16
Hexadecimal
1ad9111
20
Vigesimal
8fj041
36
Base36
grea9
md5
b89ac8a606168903f30dd427872dd0f5
sha1
dafd60e6dd2620dd757924009d1cc44edc5ff9c2
sha256
21f555b3e972b5a129a5788fdce1051099055e524a7b18800d0df771b73dbdf9
sha512
d50c6b75b8de1aad8b84a4918f80d95eefb1f3464c82062582f2d64d05defc372233f122a14018799a34cd0e997e409cd418aaa68a68cb0743b0ebbbd83cbc38
ripemd-160
5a96d54e8d5203fa36b4a757b6ed1f7106c81721
Diameter
56304162
Circumference
176884741.70573
Area
2.4898367880819E+15
Volume
9.3458782579815E+22
Surface area
9.9593471523276E+15
Circumference
176884741.70573
Perimeter
112608324
Area
792539664630561
Diagonal
39813054.759226
Surface area
4755237987783366
Volume
2.2311640834392E+22
Space diagonal
48760834.630794
Perimeter
84456243
Area
3.4317974153843E+14
Altitude
24380417.315397
Surface area
3.4317974153843E+14
Volume
2.6294520888996E+21
Height
13271018.253075