28761490 is an even 8-digits composite number following 28761489
and preceding 28761491 . In scientific notation, it is written as 2.8761490 × 10^7.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 11133360 positive integers (up to 28761490) that are relatively prime to 28761490.
28761490 has 8 divisors, whose sum is 43421040
The reverse of 28761490 is 09416782
Previous prime number is 155
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million seven hundred sixty-one thousand four hundred ninety
Scientific notation
2.8761490 × 10^7
Engineering notation
2.8761490 × 10^6
Prime Factorization
2 × 155 × 92779
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28761490
Product of the distinct prime numbers
The prime factorization of 28761490 is 2 × 155 × 92779.
Since it has a total of 3 prime factors.
1 , 5 , 52 , 7 , 144 , 262 , 7055 , 1367 , 76367 , 87912 , 838958 , 238903 , 9887286 , 76919 , 43258703 , 81335918 , 284246062 , 96398767 , 5291698462 , 1601392489
n×2
57522980
n×3
86284470
n×4
115045960
n×5
143807450
n÷2
14380745
n÷3
9587163.3333333
n÷3
7190372.5
n÷5
5752298
n2
827223307020100
n3
2.3792174872626E+22
n4
6.8429839967727E+29
n5
1.9681441579334E+37
2 √n
5362.9739883762
3 √n
306.3870889787
4 √n
73.232328847144
5 √n
31.028606816799
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
-28761489
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 28761490 can be divided by 8 positive divisors.
The sum of these divisors (counting 28761490) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101101101101110110010010
3
Ternary
2000010020100101
4
Quaternary
1231231312102
5
Quinary
24330331430
6
Senary
2504243014
8
Octal
155556622
10
Decimal
28761490
12
Duodecimal
977046a
16
Hexadecimal
1b6dd92
20
Vigesimal
8jf3ea
36
Base36
h4gia
md5
1161e3a5c459b4df41bf14b7ae4a7101
sha1
4425aef7934340038edc6901c9d1e6f773bedb45
sha256
dec48a015556dbb02015e7ba37d63423d110aa5d07fbc3d6a8e76bceea54d76c
sha512
acd92e1edd2d887573d1047173b26346cb0ac7bdbb6495235208ff15a4255e7d1fc8b3330b37caf92d129c0b3331b0e9b61c2b53ab7b0c6e187b0e5f18896e84
ripemd-160
1d1f8e68273c7bd5c0f93550c02bb8633df35e05
Diameter
57522980
Circumference
180713771.38059
Area
2.5987986642126E+15
Volume
9.9660429057019E+22
Surface area
1.039519465685E+16
Circumference
180713771.38059
Perimeter
115045960
Area
827223307020100
Diagonal
40674889.232058
Surface area
4963339842120600
Volume
2.3792174872626E+22
Space diagonal
49816361.981384
Perimeter
86284470
Area
3.5819819924099E+14
Altitude
24908180.990692
Surface area
3.5819819924099E+14
Volume
2.8039346986016E+21
Height
13558296.410686