28291270 is an even 8-digits composite number following 28291269
and preceding 28291271 . In scientific notation, it is written as 2.8291270 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 9699840 positive integers (up to 28291270) that are relatively prime to 28291270.
28291270 has 16 divisors, whose sum is 58199328
The reverse of 28291270 is 07219282
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-eight million two hundred ninety-one thousand two hundred seventy
Scientific notation
2.8291270 × 10^7
Engineering notation
2.8291270 × 10^6
Prime Factorization
2 × 5 × 7 × 404161
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28291270
Product of the distinct prime numbers
The prime factorization of 28291270 is 2 × 5 × 7 × 404161.
Since it has a total of 4 prime factors.
8 , 8 , 57 , 86 , 819 , 650 , 7299 , 9218 , 38980 , 94382 , 424429 , 275974 , 3371705 , 9272508 , 73275883 , 26677272 , 917926422 , 748868178 , 9833585587 , 7210390987
n×2
56582540
n×3
84873810
n×4
113165080
n×5
141456350
n÷2
14145635
n÷3
9430423.3333333
n÷3
7072817.5
n÷5
5658254
n2
800395958212900
n3
2.264421816071E+22
n4
6.4063368992355E+29
n5
1.8124340692723E+37
2 √n
5318.9538445074
3 √n
304.70820430859
4 √n
72.931158255628
5 √n
30.926479753761
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 404161 , 808322 , 2020805 , 2829127 , 4041610 , 5658254 , 14145635 , 28291270
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
-28291269
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 28291270 can be divided by 16 positive divisors.
The sum of these divisors (counting 28291270) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011111011000011000110
3
Ternary
1222020100022211
4
Quaternary
1223323003012
5
Quinary
24220310040
6
Senary
2450214034
8
Octal
153730306
10
Decimal
28291270
12
Duodecimal
958431a
16
Hexadecimal
1afb0c6
20
Vigesimal
8gg83a
36
Base36
gudom
md5
ae13d5a659f042de350bc48dd514ca8d
sha1
deb831d28f4642abd2cf76c86ebbc9eb5f35d7a6
sha256
fc443211789ed6f23035fbf10079896e07125cc733ae02050ca5c5a0ac65158b
sha512
4d21b3aff81f814ce75f2eb8f2670120ea739ba1de2174c3e89d37b62157187f7446525e90a3a51fe24a5fdf77184c3e39cce5dcbd2c35c9a4ed0d77d7477fd9
ripemd-160
aadb93b845ee8b9ceba1a12ce773f4a0c580aef7
Diameter
56582540
Circumference
177759291.98545
Area
2.5145180622846E+15
Volume
9.4851879226628E+22
Surface area
1.0058072249138E+16
Circumference
177759291.98545
Perimeter
113165080
Area
800395958212900
Diagonal
40009897.730759
Surface area
4802375749277400
Volume
2.264421816071E+22
Space diagonal
49001917.050649
Perimeter
84873810
Area
3.4658161644938E+14
Altitude
24500958.525325
Surface area
3.4658161644938E+14
Volume
2.6686467026843E+21
Height
13336632.57692