28691315 is an odd 8-digits composite number following 28691314
and preceding 28691316 . In scientific notation, it is written as 2.8691315 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 22953048 positive integers (up to 28691315) that are relatively prime to 28691315.
28691315 has 4 divisors, whose sum is 34429584
The reverse of 28691315 is 51319682
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-eight million six hundred ninety-one thousand three hundred fifteen
Scientific notation
2.8691315 × 10^7
Engineering notation
2.8691315 × 10^6
Prime Factorization
5 × 5738263
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28691315
Product of the distinct prime numbers
The prime factorization of 28691315 is 5 × 5738263.
Since it has a total of 2 prime factors.
3 , 7 , 29 , 66 , 815 , 695 , 4072 , 5 , 30394 , 45540 , 736373 , 833111 , 9254156 , 2541789 , 9524203 , 57512422 , 512993568 , 498544845 , 2394834895 , 5447677195
n×2
57382630
n×3
86073945
n×4
114765260
n×5
143456575
n÷2
14345657.5
n÷3
9563771.6666667
n÷3
7172828.75
n÷5
5738263
n2
823191556429225
n3
2.3618448250851E+22
n4
6.7764433857637E+29
n5
1.9442507176061E+37
2 √n
5356.4274474691
3 √n
306.13770198934
4 √n
73.187618129497
5 √n
31.013450712704
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
-28691314
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 28691315 can be divided by 4 positive divisors.
The sum of these divisors (counting 28691315) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101101011100101101110011
3
Ternary
1222222200002022
4
Quaternary
1231130231303
5
Quinary
24321110230
6
Senary
2502542055
8
Octal
155345563
10
Decimal
28691315
12
Duodecimal
973792b
16
Hexadecimal
1b5cb73
20
Vigesimal
8j685f
36
Base36
h2ycz
md5
287fe56a3fa87187665e9cee3c6d372a
sha1
711f331829e885d7df7d37f6858fcdd2f8ce1a06
sha256
cdb569d08fe87bf0900de4686e25be129fe661c43efcafabf97aa630497059e1
sha512
200e6b59e11493100195003327e9d4977dc13083d7209d0b5426eacbf42ff9e97abcb542caeb8706521c6bad30ad466fa2d362d711b459fc7d640b8756e4d225
ripemd-160
cffc00e88405a89f31f57410b5e59d48bd3b1ca5
Diameter
57382630
Circumference
180272848.85166
Area
2.5861325461752E+15
Volume
9.893272468542E+22
Surface area
1.0344530184701E+16
Circumference
180272848.85166
Perimeter
114765260
Area
823191556429225
Diagonal
40575646.795319
Surface area
4939149338575350
Volume
2.3618448250851E+22
Space diagonal
49694815.315963
Perimeter
86073945
Area
3.5645240002428E+14
Altitude
24847407.657982
Surface area
3.5645240002428E+14
Volume
2.7834608198801E+21
Height
13525215.59844