87291228 is an even 8-digits composite number following 87291227
and preceding 87291229 . In scientific notation, it is written as 8.7291228 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 29097072 positive integers (up to 87291228) that are relatively prime to 87291228.
87291228 has 12 divisors, whose sum is 203679560
The reverse of 87291228 is 82219278
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighty-seven million two hundred ninety-one thousand two hundred twenty-eight
Scientific notation
8.7291228 × 10^7
Engineering notation
8.7291228 × 10^6
Prime Factorization
2 × 2 × 3 × 7274269
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
43645614
Product of the distinct prime numbers
The prime factorization of 87291228 is 2 × 2 × 3 × 7274269.
Since it has a total of 4 prime factors.
3 , 1 , 2 , 79 , 686 , 251 , 8652 , 1258 , 36748 , 35233 , 800850 , 913239 , 5736713 , 7694296 , 49970686 , 35760235 , 813998515 , 991167717 , 9286152017 , 9732175224
n×2
174582456
n×3
261873684
n×4
349164912
n×5
436456140
n÷2
43645614
n÷3
29097076
n÷3
21822807
n÷5
17458245.6
n2
7619758485747984
n3
6.6513807528436E+23
n4
5.8060719381128E+31
n5
5.0681914933421E+39
2 √n
9342.9774697363
3 √n
443.59863493148
4 √n
96.659078568628
5 √n
38.743077974727
1 , 2 , 3 , 4 , 6 , 12 , 7274269 , 14548538 , 21822807 , 29097076 , 43645614 , 87291228
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-87291227
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 87291228 can be divided by 12 positive divisors.
The sum of these divisors (counting 87291228) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101001100111111010101011100
3
Ternary
20002020212001110
4
Quaternary
11030333111130
5
Quinary
134321304403
6
Senary
12354542020
8
Octal
514772534
10
Decimal
87291228
12
Duodecimal
25297910
16
Hexadecimal
533f55c
20
Vigesimal
175b818
36
Base36
1fyycc
md5
a2af74e79105568a37434c41e6f7e9d3
sha1
c9ba43eba1ab5899821af0cf8d2ac33d0b50c735
sha256
b5b2e02deae224902ca5a500109fdc6853ad92a0e75adead6cfc8674c5ee8f52
sha512
05147e3d0d371a1c983b67cbb911973b55394565dd97a3890f5b03930b4a704309fe771e8b21e9bf424ef4d24f32367823d7039ebfd9432e44ac856f66725f8c
ripemd-160
4c96cf31c08cb6fceb4091d7d95f22512b433a42
Diameter
174582456
Circumference
548466961.21526
Area
2.3938177280954E+16
Volume
2.7861238545816E+24
Surface area
9.5752709123817E+16
Circumference
548466961.21526
Perimeter
349164912
Area
7619758485747984
Diagonal
123448438.5138
Surface area
45718550914487904
Volume
6.6513807528436E+23
Space diagonal
151192841.95108
Perimeter
261873684
Area
3.2994522096799E+15
Altitude
75596420.975539
Surface area
3.2994522096799E+15
Volume
7.8387273909823E+22
Height
41149479.504601