28157065 is an odd 8-digits composite number following 28157064
and preceding 28157066 . In scientific notation, it is written as 2.8157065 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 22525648 positive integers (up to 28157065) that are relatively prime to 28157065.
28157065 has 4 divisors, whose sum is 33788484
The reverse of 28157065 is 56075182
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million one hundred fifty-seven thousand sixty-five
Scientific notation
2.8157065 × 10^7
Engineering notation
2.8157065 × 10^6
Prime Factorization
5 × 5631413
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28157065
Product of the distinct prime numbers
The prime factorization of 28157065 is 5 × 5631413.
Since it has a total of 2 prime factors.
5 , 5 , 26 , 20 , 737 , 640 , 5047 , 3688 , 3254 , 37880 , 583324 , 274412 , 9164647 , 7884390 , 94687692 , 6286974 , 784565325 , 891127766 , 3723214133 , 1113597798
n×2
56314130
n×3
84471195
n×4
112628260
n×5
140785325
n÷2
14078532.5
n÷3
9385688.3333333
n÷3
7039266.25
n÷5
5631413
n2
792820309414225
n3
2.2323492985496E+22
n4
6.2856404301967E+29
n5
1.7698518615968E+37
2 √n
5306.3231149262
3 √n
304.22562673471
4 √n
72.844513279493
5 √n
30.897082797342
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
-28157064
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 28157065 can be divided by 4 positive divisors.
The sum of these divisors (counting 28157065) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011010010010001001
3
Ternary
1221222112020021
4
Quaternary
1223122102021
5
Quinary
24202011230
6
Senary
2443300441
8
Octal
153322211
10
Decimal
28157065
12
Duodecimal
951a721
16
Hexadecimal
1ada489
20
Vigesimal
8fjcd5
36
Base36
gri4p
md5
390dc02efd712826f2e9b0162984468a
sha1
02fc600e9e50fdbe549aa41c2d1e2fc4f15deeec
sha256
731ab8bc0c0d7dbdbe1c3bafa2a0c5a037687d2147318d4ea315e9560b637a33
sha512
ec8e309028b27a406724a24649df639b12ad792af8bc6e7272f620a1edfb34fdd2ace9a21a71a5aed858c4cc296991ba267ddc5ec260f0a40de4e9a857c3019a
ripemd-160
bb812c071eea4316fd2584b7e5f61d23e239001b
Diameter
56314130
Circumference
176916057.1013
Area
2.4907184596725E+15
Volume
9.3508428754265E+22
Surface area
9.9628738386901E+15
Circumference
176916057.1013
Perimeter
112628260
Area
792820309414225
Diagonal
39820103.199621
Surface area
4756921856485350
Volume
2.2323492985496E+22
Space diagonal
48769467.172019
Perimeter
84471195
Area
3.4330126429448E+14
Altitude
24384733.58601
Surface area
3.4330126429448E+14
Volume
2.6308488783025E+21
Height
13273367.733207