28931137 is an odd 8-digits composite number following 28931136
and preceding 28931138 . In scientific notation, it is written as 2.8931137 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 28878640 positive integers (up to 28931137) that are relatively prime to 28931137.
28931137 has 4 divisors, whose sum is 28983636
The reverse of 28931137 is 73113982
Previous prime number is 557
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million nine hundred thirty-one thousand one hundred thirty-seven
Scientific notation
2.8931137 × 10^7
Engineering notation
2.8931137 × 10^6
Prime Factorization
557 × 51941
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28931137
Product of the distinct prime numbers
The prime factorization of 28931137 is 557 × 51941.
Since it has a total of 2 prime factors.
9 , 9 , 45 , 38 , 91 , 631 , 8422 , 1201 , 52916 , 13206 , 312753 , 930725 , 2223015 , 9856961 , 58996787 , 43471286 , 515106081 , 903624344 , 5980416294 , 7578687186
n×2
57862274
n×3
86793411
n×4
115724548
n×5
144655685
n÷2
14465568.5
n÷3
9643712.3333333
n÷3
7232784.25
n÷5
5786227.4
n2
837010688112769
n3
2.4215670888255E+22
n4
7.0058689201501E+29
n5
2.026877535329E+37
2 √n
5378.7672379459
3 √n
306.9883071229
4 √n
73.340079342375
5 √n
31.065124635295
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
-28931136
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 28931137 can be divided by 4 positive divisors.
The sum of these divisors (counting 28931137) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110010111010001000001
3
Ternary
2000102212001121
4
Quaternary
1232113101001
5
Quinary
24401244022
6
Senary
2512032241
8
Octal
156272101
10
Decimal
28931137
12
Duodecimal
9832681
16
Hexadecimal
1b97441
20
Vigesimal
90g7gh
36
Base36
h83ep
md5
61a4ca0b88393464fc23a84d2bb862c3
sha1
bde74db7d0b0caeb6b6e699d525ce610f7760c47
sha256
97cc8231b8c82c325eb647786e67518a952ddb93dde038803d6c030d9e66e267
sha512
2c229e34254727a4b9220c881bfbb3a48d507e4cd155ecc9174ffd6389fe3ffe6bea5f4ca8cf34f3d13394ac8e895d98b85814dbf2b77c0b30d823ac7082edc6
ripemd-160
eb19de9fd90e3d45438cdfcafe74de68ecbb3d7a
Diameter
57862274
Circumference
181779694.9184
Area
2.6295466287512E+15
Volume
1.0143436501905E+23
Surface area
1.0518186515005E+16
Circumference
181779694.9184
Perimeter
115724548
Area
837010688112769
Diagonal
40914806.320274
Surface area
5022064128676614
Volume
2.4215670888255E+22
Space diagonal
50110199.204736
Perimeter
86793411
Area
3.6243625957238E+14
Altitude
25055099.602368
Surface area
3.6243625957238E+14
Volume
2.8538441826778E+21
Height
13638268.773425