28642015 is an odd 8-digits composite number following 28642014
and preceding 28642016 . In scientific notation, it is written as 2.8642015 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 21810976 positive integers (up to 28642015) that are relatively prime to 28642015.
28642015 has 16 divisors, whose sum is 36039168
The reverse of 28642015 is 51024682
Previous prime number is 263
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million six hundred forty-two thousand fifteen
Scientific notation
2.8642015 × 10^7
Engineering notation
2.8642015 × 10^6
Prime Factorization
5 × 23 × 263 × 947
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28642015
Product of the distinct prime numbers
The prime factorization of 28642015 is 5 × 23 × 263 × 947.
Since it has a total of 4 prime factors.
7 , 4 , 25 , 79 , 109 , 459 , 9147 , 3825 , 98098 , 96120 , 721069 , 372042 , 2788284 , 2564875 , 97541681 , 11445679 , 980547348 , 929687678 , 4002252511 , 5709927341
n×2
57284030
n×3
85926045
n×4
114568060
n×5
143210075
n÷2
14321007.5
n÷3
9547338.3333333
n÷3
7160503.75
n÷5
5728403
n2
820365023260225
n3
2.3496907301695E+22
n4
6.7299877138875E+29
n5
1.9276040905098E+37
2 √n
5351.8235210066
3 √n
305.9622570106
4 √n
73.156158462611
5 √n
31.002785359194
1 , 5 , 23 , 115 , 263 , 947 , 1315 , 4735 , 6049 , 21781 , 30245 , 108905 , 249061 , 1245305 , 5728403 , 28642015
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28642014
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28642015 can be divided by 16 positive divisors.
The sum of these divisors (counting 28642015) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101101010000101011011111
3
Ternary
1222220011110101
4
Quaternary
1231100223133
5
Quinary
24313021030
6
Senary
2501521531
8
Octal
155205337
10
Decimal
28642015
12
Duodecimal
97132a7
16
Hexadecimal
1b50adf
20
Vigesimal
8j050f
36
Base36
h1wbj
md5
2b45b47582d7872e2bcd9f8366e0e2fa
sha1
81d3617d42f658006675f3de44701c21e24729c5
sha256
60ea09ad64b485dd0000654cdca17e6816a48f135fe8309f7eda5075f3d5e543
sha512
1953222db5a4428e4c3e3f2d4639581d35966f6c39f83e9f35356d682ce6844e4a88950046df6a3ea36bb58cbbb12ab199900930c306fe21e75d41657fa9f2fc
ripemd-160
525f25e937313aae7eae8726e42b81ce081bf422
Diameter
57284030
Circumference
179963087.81602
Area
2.5772527303363E+15
Volume
9.8423615148113E+22
Surface area
1.0309010921345E+16
Circumference
179963087.81602
Perimeter
114568060
Area
820365023260225
Diagonal
40505926.066694
Surface area
4922190139561350
Volume
2.3496907301695E+22
Space diagonal
49609425.21115
Perimeter
85926045
Area
3.5522847525978E+14
Altitude
24804712.605575
Surface area
3.5522847525978E+14
Volume
2.7691370816567E+21
Height
13501975.355565