28931537 is an odd 8-digits prime number following 28931536
and preceding 28931538 . In scientific notation, it is written as 2.8931537 × 10^7.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 28931536 positive integers (up to 28931537) that are relatively prime to 28931537.
28931537 has 2 divisors, whose sum is 28931538
The reverse of 28931537 is 73513982
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 38 Digital Root 2
Name
twenty-eight million nine hundred thirty-one thousand five hundred thirty-seven
Scientific notation
2.8931537 × 10^7
Engineering notation
2.8931537 × 10^6
Prime Factorization
28931537
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28931537 Product of the distinct prime numbers
The prime factorization of 28931537 is 28931537.
Since it has a total of 1 prime factors.
1 , 5 , 20 , 67 , 150 , 602 , 896 , 5223 , 10876 , 17346 , 494316 , 626633 , 9119231 , 2142721 , 35471476 , 8940 , 5961592 , 754137607 , 7221742089 , 1675503054
n×2
57863074
n×3
86794611
n×4
115726148
n×5
144657685
n÷2
14465768.5
n÷3
9643845.6666667
n÷3
7232884.25
n÷5
5786307.4
n2
837033833182369
n3
2.4216675314968E+22
n4
7.0062563789197E+29
n5
2.027017656582E+37
2 √n5378.8044210586
3 √n306.98972191644
4 √n73.340332839841
5 √n31.065210535695
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28931538 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14465769 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5378.8045140161 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999308713 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931537 can be divided by 2 positive divisors.
The sum of these divisors (counting 28931537) is 28931538, the average is 14465769.
Base
System
Value
2
Binary
1101110010111010111010001
3
Ternary
2000102212121102
4
Quaternary
1232113113101
5
Quinary
24401302122
6
Senary
2512034145
8
Octal
156272721
10
Decimal
28931537
12
Duodecimal
9832955
16
Hexadecimal
1b975d1
20
Vigesimal
90g8gh
36
Base36
h83pt
md5
1c98af4b60b3de0c35871f45dd08df9c
sha1
c597ad467228716087c2e45d50e645375e437d56
sha256
f9cfb4e935c79898524dd1e572d49934642734dbf35fa300504d40b976c9ed2e
sha512
23b2f1eebbd62dd9bee937cbfcf828b21f025328f5b1d33c33f638f97b825dfd491500fded23198079e4a5b3c292e2d1c64e7188b8c5e59b53e45b3e6e98d03b
ripemd-160
79e5590d14fd711e40aca4b3fbc8218f91a7d1e7
Diameter
57863074
Circumference
181782208.19252
Area
2.6296193411318E+15
Volume
1.0143857235183E+23
Surface area
1.0518477364527E+16
Circumference
181782208.19252
Perimeter
115726148
Area
837033833182369
Diagonal
40915372.005699
Surface area
5022202999094214
Volume
2.4216675314968E+22
Space diagonal
50110892.025059
Perimeter
86794611
Area
3.624462816815E+14
Altitude
25055446.012529
Surface area
3.624462816815E+14
Volume
2.8539625555011E+21
Height
13638457.335233