28720295 is an odd 8-digits composite number following 28720294
and preceding 28720296 . In scientific notation, it is written as 2.8720295 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 21638400 positive integers (up to 28720295) that are relatively prime to 28720295.
28720295 has 16 divisors, whose sum is 36529920
The reverse of 28720295 is 59202782
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million seven hundred twenty thousand two hundred ninety-five
Scientific notation
2.8720295 × 10^7
Engineering notation
2.8720295 × 10^6
Prime Factorization
5 × 29 × 41 × 4831
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28720295
Product of the distinct prime numbers
The prime factorization of 28720295 is 5 × 29 × 41 × 4831.
Since it has a total of 4 prime factors.
3 , 2 , 96 , 9 , 704 , 254 , 8167 , 8524 , 48388 , 89733 , 502699 , 749653 , 104828 , 925559 , 30759048 , 23335478 , 960287978 , 335874720 , 7098625831 , 9980016703
n×2
57440590
n×3
86160885
n×4
114881180
n×5
143601475
n÷2
14360147.5
n÷3
9573431.6666667
n÷3
7180073.75
n÷5
5744059
n2
824855344887025
n3
2.3690088837482E+22
n4
6.8038633998869E+29
n5
1.9540896398446E+37
2 √n
5359.1319259746
3 √n
306.24073996713
4 √n
73.206092137025
5 √n
31.019713283076
1 , 5 , 29 , 41 , 145 , 205 , 1189 , 4831 , 5945 , 24155 , 140099 , 198071 , 700495 , 990355 , 5744059 , 28720295
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
-28720294
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 28720295 can be divided by 16 positive divisors.
The sum of these divisors (counting 28720295) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101100011110010100111
3
Ternary
2000001010211122
4
Quaternary
1231203302213
5
Quinary
24323022140
6
Senary
2503324155
8
Octal
155436247
10
Decimal
28720295
12
Duodecimal
975065b
16
Hexadecimal
1b63ca7
20
Vigesimal
8ja0ef
36
Base36
h3kpz
md5
eae4e10bea507a905465b324f4857805
sha1
9c147b2b0528d2f3ea7590d36e28ebdbbea5cea4
sha256
77c24b8e88c6a1af1bb1b38787ce703272d254bd78c215f48c7fd7d82fe27144
sha512
b87bda752fe2cecf30fa850b09ae9ca1c5ac864b2171b86f4fc1accf3820733e726c70130be16e0a9a9774b3ff74120dfcac14066ae354926cc152c82941b62a
ripemd-160
d6a568c53238df223a907ad63ff4deeca8f7f12f
Diameter
57440590
Circumference
180454935.56186
Area
2.5913594917714E+15
Volume
9.9232812072964E+22
Surface area
1.0365437967085E+16
Circumference
180454935.56186
Perimeter
114881180
Area
824855344887025
Diagonal
40616630.704356
Surface area
4949132069322150
Volume
2.3690088837482E+22
Space diagonal
49745010.148366
Perimeter
86160885
Area
3.5717284155977E+14
Altitude
24872505.074183
Surface area
3.5717284155977E+14
Volume
2.7919037439826E+21
Height
13538876.901452