28156947 is an odd 8-digits composite number following 28156946
and preceding 28156948 . In scientific notation, it is written as 2.8156947 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 13976064 positive integers (up to 28156947) that are relatively prime to 28156947.
28156947 has 16 divisors, whose sum is 40776960
The reverse of 28156947 is 74965182
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million one hundred fifty-six thousand nine hundred forty-seven
Scientific notation
2.8156947 × 10^7
Engineering notation
2.8156947 × 10^6
Prime Factorization
3 × 119 × 13 × 6067
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28156947
Product of the distinct prime numbers
The prime factorization of 28156947 is 3 × 119 × 13 × 6067.
Since it has a total of 4 prime factors.
1 , 2 , 70 , 23 , 542 , 788 , 2717 , 3756 , 43120 , 21401 , 549181 , 59597 , 2428628 , 2059248 , 37521192 , 20091839 , 267101388 , 811695577 , 6280088278 , 7241635943
n×2
56313894
n×3
84470841
n×4
112627788
n×5
140784735
n÷2
14078473.5
n÷3
9385649
n÷3
7039236.75
n÷5
5631389.4
n2
792813664360809
n3
2.2323212328283E+22
n4
6.2855350639721E+29
n5
1.7698147766291E+37
2 √n
5306.3119961043
3 √n
304.22520175346
4 √n
72.844436960582
5 √n
30.897056900738
1 , 3 , 13 , 39 , 119 , 357 , 1547 , 4641 , 6067 , 18201 , 78871 , 236613 , 721973 , 2165919 , 9385649 , 28156947
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
-28156946
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 28156947 can be divided by 16 positive divisors.
The sum of these divisors (counting 28156947) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011010010000010011
3
Ternary
1221222112001220
4
Quaternary
1223122100103
5
Quinary
24202010242
6
Senary
2443300123
8
Octal
153322023
10
Decimal
28156947
12
Duodecimal
951a643
16
Hexadecimal
1ada413
20
Vigesimal
8fjc77
36
Base36
gri1f
md5
882d9f0b26e8652691ab64df352209af
sha1
adb96160aa88fbfd86423aac7ceb7857994486ec
sha256
b8b9141b5d8fb2880333bb22ebd51eeb517ead90eb0eb3e298f08c51b13d3464
sha512
0181eae6ab64815451aed5ffd5b91418b7812ee4d8baa921bb67b8131a6538f6d1923039556fa44b77484a268e7355b4f098bf80a1c7c4ddfa8619cb8c85d9e7
ripemd-160
b643d2c24f17738dc2ffde77fcf1207437f17b20
Diameter
56313894
Circumference
176915315.68543
Area
2.4906975836215E+15
Volume
9.3507253140079E+22
Surface area
9.9627903344861E+15
Circumference
176915315.68543
Perimeter
112627788
Area
792813664360809
Diagonal
39819936.32242
Surface area
4756881986164854
Volume
2.2323212328283E+22
Space diagonal
48769262.790024
Perimeter
84470841
Area
3.4329838690194E+14
Altitude
24384631.395012
Surface area
3.4329838690194E+14
Volume
2.6308158025327E+21
Height
13273312.107473