28931270 is an even 8-digits composite number following 28931269
and preceding 28931271 . In scientific notation, it is written as 2.8931270 × 10^7.
The sum of its digits is 32. It has a total of 5 prime factors and 32 positive divisors.
There are 10999296 positive integers (up to 28931270) that are relatively prime to 28931270.
28931270 has 32 divisors, whose sum is 54712800
The reverse of 28931270 is 07213982
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-eight million nine hundred thirty-one thousand two hundred seventy
Scientific notation
2.8931270 × 10^7
Engineering notation
2.8931270 × 10^6
Prime Factorization
2 × 5 × 67 × 29 × 1489
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
28931270
Product of the distinct prime numbers
The prime factorization of 28931270 is 2 × 5 × 67 × 29 × 1489.
Since it has a total of 5 prime factors.
9 , 1 , 90 , 22 , 443 , 93 , 6374 , 5948 , 92094 , 46129 , 10986 , 35610 , 9805747 , 674847 , 28051551 , 62716409 , 60964637 , 173282213 , 5670848380 , 839451151
n×2
57862540
n×3
86793810
n×4
115725080
n×5
144656350
n÷2
14465635
n÷3
9643756.6666667
n÷3
7232817.5
n÷5
5786254
n2
837018383812900
n3
2.4216004857055E+22
n4
7.0059977484076E+29
n5
2.0269241247857E+37
2 √n
5378.7796013594
3 √n
306.9887775432
4 √n
73.340163630574
5 √n
31.065153197284
1 , 2 , 5 , 10 , 29 , 58 , 67 , 134 , 145 , 290 , 335 , 670 , 1489 , 1943 , 2978 , 3886 , 7445 , 9715 , 14890 , 19430 , 43181 , 86362 , 99763 , 199526 , 215905 , 431810 , 498815 , 997630 , 2893127 , 5786254 , 14465635 , 28931270
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931269
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931270 can be divided by 32 positive divisors.
The sum of these divisors (counting 28931270) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101110010111010011000110
3
Ternary
2000102212020112
4
Quaternary
1232113103012
5
Quinary
24401300040
6
Senary
2512033022
8
Octal
156272306
10
Decimal
28931270
12
Duodecimal
9832772
16
Hexadecimal
1b974c6
20
Vigesimal
90g83a
36
Base36
h83ie
md5
1d9c821f9dced9c5137d43e656a123b9
sha1
ab7cdb7d70f71632eb86db743b107b3960b7baa5
sha256
dcf63392a7b598c77f6f4ed572b21b9b4638794dbc4bdeef0c540d8a35a4964e
sha512
3ca0f6f8b8db1e35508ba1a407266252fbdd2d552e13b5d15938920f07144b2e5bfee5b519329c8d4fa8ad7c07f706d6040f762d37a94847272a8963e06ca84d
ripemd-160
ee3cc4da286927a12d9aaf54a02e8f2919bd78ad
Diameter
57862540
Circumference
181780530.58205
Area
2.6295708055062E+15
Volume
1.0143576394429E+23
Surface area
1.0518283222025E+16
Circumference
181780530.58205
Perimeter
115725080
Area
837018383812900
Diagonal
40914994.410678
Surface area
5022110302877400
Volume
2.4216004857055E+22
Space diagonal
50110429.567493
Perimeter
86793810
Area
3.6243959190828E+14
Altitude
25055214.783747
Surface area
3.6243959190828E+14
Volume
2.8538835412783E+21
Height
13638331.470226