28366989 is an odd 8-digits composite number following 28366988
and preceding 28366990 . In scientific notation, it is written as 2.8366989 × 10^7.
The sum of its digits is 51. It has a total of 2 prime factors and 4 positive divisors.
There are 16209696 positive integers (up to 28366989) that are relatively prime to 28366989.
28366989 has 4 divisors, whose sum is 29717820
The reverse of 28366989 is 98966382
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-eight million three hundred sixty-six thousand nine hundred eighty-nine
Scientific notation
2.8366989 × 10^7
Engineering notation
2.8366989 × 10^6
Prime Factorization
21 × 1350809
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28366989
Product of the distinct prime numbers
The prime factorization of 28366989 is 21 × 1350809.
Since it has a total of 2 prime factors.
1 , 1 , 64 , 97 , 849 , 447 , 2062 , 4562 , 2227 , 39889 , 739675 , 769286 , 4371532 , 4176761 , 62556846 , 57967482 , 66589286 , 929000969 , 6244991404 , 6108571467
n×2
56733978
n×3
85100967
n×4
113467956
n×5
141834945
n÷2
14183494.5
n÷3
9455663
n÷3
7091747.25
n÷5
5673397.8
n2
804686064926121
n3
2.2826520752213E+22
n4
6.4751966308629E+29
n5
1.8368183160052E+37
2 √n
5326.0669353661
3 √n
304.97980337464
4 √n
72.979907751148
5 √n
30.943016439294
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28366988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28366989 can be divided by 4 positive divisors.
The sum of these divisors (counting 28366989) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101100001101100010001101
3
Ternary
1222101012012020
4
Quaternary
1230031202031
5
Quinary
24230220424
6
Senary
2452000353
8
Octal
154154215
10
Decimal
28366989
12
Duodecimal
96000b9
16
Hexadecimal
1b0d88d
20
Vigesimal
8h5h99
36
Base36
gw03x
md5
941ea48dd270eb5e7b8abde764e5e19f
sha1
88f10526566183de12e2f5d50f6971387899e10e
sha256
c1ccc3c37f142aac55edf74f281a0c0f2623e3f6d3b94dc7274108868ca244d8
sha512
30bc28eda5257c1ce30bc50d892f2d287dddac99d1c942bbafccd38b45fc69971b10c30337299e5bb3b3a0190380752dcff1b6f1e9642012d59b496651cb0554
ripemd-160
a1755e4ad7db9195756a18c0191665ec1f9e038a
Diameter
56733978
Circumference
178235048.49372
Area
2.527995830018E+15
Volume
9.5615506536221E+22
Surface area
1.0111983320072E+16
Circumference
178235048.49372
Perimeter
113467956
Area
804686064926121
Diagonal
40116980.567488
Surface area
4828116389556726
Volume
2.2826520752213E+22
Space diagonal
49133066.205747
Perimeter
85100967
Area
3.4843928714868E+14
Altitude
24566533.102874
Surface area
3.4843928714868E+14
Volume
2.6901312691308E+21
Height
13372326.855829