28989866 is an even 8-digits composite number following 28989865
and preceding 28989867 . In scientific notation, it is written as 2.8989866 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 14471680 positive integers (up to 28989866) that are relatively prime to 28989866.
28989866 has 8 divisors, whose sum is 43554564
The reverse of 28989866 is 66898982
Previous prime number is 641
Is Prime? no
Number parity even
Number length 8
Sum of Digits 56
Digital Root 2
Name
twenty-eight million nine hundred eighty-nine thousand eight hundred sixty-six
Scientific notation
2.8989866 × 10^7
Engineering notation
2.8989866 × 10^6
Prime Factorization
2 × 641 × 22613
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28989866
Product of the distinct prime numbers
The prime factorization of 28989866 is 2 × 641 × 22613.
Since it has a total of 3 prime factors.
3 , 8 , 61 , 24 , 724 , 368 , 6241 , 7254 , 98787 , 4582 , 680849 , 737807 , 5047043 , 997967 , 38345258 , 7618590 , 514413037 , 660712772 , 7232184481 , 2529984484
n×2
57979732
n×3
86969598
n×4
115959464
n×5
144949330
n÷2
14494933
n÷3
9663288.6666667
n÷3
7247466.5
n÷5
5797973.2
n2
840412330697956
n3
2.4363440851681E+22
n4
7.0629288558917E+29
n5
2.0475336109983E+37
2 √n
5384.223806641
3 √n
307.19589120526
4 √n
73.37727036788
5 √n
31.077726588028
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
-28989865
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 28989866 can be divided by 8 positive divisors.
The sum of these divisors (counting 28989866) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101110100101100110101010
3
Ternary
2000112211121202
4
Quaternary
1232211212222
5
Quinary
24410133431
6
Senary
2513204202
8
Octal
156454652
10
Decimal
28989866
12
Duodecimal
9860662
16
Hexadecimal
1ba59aa
20
Vigesimal
913ed6
36
Base36
h9cq2
md5
3cba54d564492d60868a3481ff0a4d9b
sha1
69401816afc9e2faf5ea22865f6965375506b39f
sha256
a2fddd6517c853a0fbe4e2e876632d07072c806107ad1f140e38575833f606f3
sha512
4c716232fe0d60725d942926f5af9c960588eb20b36dae28bc311c5b8cfe3d27919d7c84c2d944f663f36f5a2d87ae5d83b366f9a050823757049a522e315263
ripemd-160
a53bd9616733f30f10e3858d7a3c79bf7a77dce2
Diameter
57979732
Circumference
182148700.10831
Area
2.640233204107E+15
Volume
1.0205334239442E+23
Surface area
1.0560932816428E+16
Circumference
182148700.10831
Perimeter
115959464
Area
840412330697956
Diagonal
40997861.668579
Surface area
5042473984187736
Volume
2.4363440851681E+22
Space diagonal
50211920.816614
Perimeter
86969598
Area
3.6390921401906E+14
Altitude
25105960.408307
Surface area
3.6390921401906E+14
Volume
2.8712590398769E+21
Height
13665953.889526