28691607 is an odd 8-digits composite number following 28691606
and preceding 28691608 . In scientific notation, it is written as 2.8691607 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors.
There are 16394616 positive integers (up to 28691607) that are relatively prime to 28691607.
28691607 has 12 divisors, whose sum is 34966536
The reverse of 28691607 is 70619682
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-eight million six hundred ninety-one thousand six hundred seven
Scientific notation
2.8691607 × 10^7
Engineering notation
2.8691607 × 10^6
Prime Factorization
21 × 7 × 7 × 27883
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4098801
Product of the distinct prime numbers
The prime factorization of 28691607 is 21 × 7 × 7 × 27883.
Since it has a total of 4 prime factors.
3 , 5 , 31 , 48 , 57 , 238 , 6304 , 5609 , 46458 , 38937 , 147490 , 573532 , 1599753 , 6337327 , 33289479 , 2197453 , 550315918 , 771093987 , 2728987873 , 6269522183
n×2
57383214
n×3
86074821
n×4
114766428
n×5
143458035
n÷2
14345803.5
n÷3
9563869
n÷3
7172901.75
n÷5
5738321.4
n2
823208312242449
n3
2.3619169373994E+22
n4
6.7767192534506E+29
n5
1.9443496556934E+37
2 √n
5356.454704373
3 √n
306.13874053714
4 √n
73.187804341796
5 √n
31.013513839059
1 , 7 , 21 , 49 , 147 , 1029 , 27883 , 195181 , 585543 , 1366267 , 4098801 , 28691607
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
-28691606
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 28691607 can be divided by 12 positive divisors.
The sum of these divisors (counting 28691607) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101101011100110010010111
3
Ternary
1222222200111010
4
Quaternary
1231130302113
5
Quinary
24321112412
6
Senary
2502543303
8
Octal
155346227
10
Decimal
28691607
12
Duodecimal
9737b33
16
Hexadecimal
1b5cc97
20
Vigesimal
8j6907
36
Base36
h2yl3
md5
bac163babec36633602c9207a1302907
sha1
7287003ceb1fcbb1d9bc0c1931a29885eb1b8656
sha256
6d35da18b292a04aeb2a74ab92a868902a6134d7106e086248f252dbe6bb4b3a
sha512
1fd226f7debbef723c8f6883057afadf83a89a301670a9ccdf4b108ae012eee36f8d3bcbbd5d3559555ca08270349a3f3b3e0924080349276be775f253962915
ripemd-160
7fb8bbde5bcf71804315ab525d87e0889187284c
Diameter
57383214
Circumference
180274683.54177
Area
2.5861851861149E+15
Volume
9.8935745318975E+22
Surface area
1.034474074446E+16
Circumference
180274683.54177
Perimeter
114766428
Area
823208312242449
Diagonal
40576059.745679
Surface area
4939249873454694
Volume
2.3619169373994E+22
Space diagonal
49695321.074799
Perimeter
86074821
Area
3.5645965550424E+14
Altitude
24847660.537399
Surface area
3.5645965550424E+14
Volume
2.7835458050574E+21
Height
13525353.24856