28931641 is an odd 8-digits prime number following 28931640
and preceding 28931642 . In scientific notation, it is written as 2.8931641 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 28931640 positive integers (up to 28931641) that are relatively prime to 28931641.
28931641 has 2 divisors, whose sum is 28931642
The reverse of 28931641 is 14613982
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million nine hundred thirty-one thousand six hundred forty-one
Scientific notation
2.8931641 × 10^7
Engineering notation
2.8931641 × 10^6
Prime Factorization
28931641
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
28931641
Product of the distinct prime numbers
The prime factorization of 28931641 is 28931641.
Since it has a total of 1 prime factors.
6 , 8 , 21 , 53 , 32 , 330 , 8839 , 2078 , 42468 , 18312 , 699713 , 412754 , 6340883 , 6614559 , 29132806 , 44599766 , 56561520 , 343340924 , 4290681361 , 2087085430
n×2
57863282
n×3
86794923
n×4
115726564
n×5
144658205
n÷2
14465820.5
n÷3
9643880.3333333
n÷3
7232910.25
n÷5
5786328.2
n2
837039850952881
n3
2.4216936470462E+22
n4
7.0063571208322E+29
n5
2.0270540893771E+37
2 √n
5378.8140886259
3 √n
306.99008976062
4 √n
73.340398748751
5 √n
31.065232869643
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
28931642
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
14465821
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
5378.8141815831
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999308715
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931641 can be divided by 2 positive divisors.
The sum of these divisors (counting 28931641) is 28931642, the average is 14465821.
Base
System
Value
2
Binary
1101110010111011000111001
3
Ternary
2000102212202021
4
Quaternary
1232113120321
5
Quinary
24401303031
6
Senary
2512034441
8
Octal
156273071
10
Decimal
28931641
12
Duodecimal
9832a21
16
Hexadecimal
1b97639
20
Vigesimal
90g921
36
Base36
h83sp
md5
642b75d73927244522a64f3465b4c78f
sha1
5c7259c4e0ac5bf9a3cdb3d526d7dc5b099772fb
sha256
e89d2418497845f3fef1d7227188c6f924726041b2ea2c86547fa91e4f2cb466
sha512
4b373e137c0b90b29e864b2f228b7703787417bceed612311c9561089c83730ac807233ee6fd148f87944838775eb73cdba6533b3710634cd07b624566b0fa9b
ripemd-160
bc83bd157db54f4d34ed84edf8b0b9ae30b02f5d
Diameter
57863282
Circumference
181782861.64379
Area
2.6296382465155E+15
Volume
1.0143966627741E+23
Surface area
1.0518552986062E+16
Circumference
181782861.64379
Perimeter
115726564
Area
837039850952881
Diagonal
40915519.083909
Surface area
5022239105717286
Volume
2.4216936470462E+22
Space diagonal
50111072.158343
Perimeter
86794923
Area
3.6244888745257E+14
Altitude
25055536.079171
Surface area
3.6244888745257E+14
Volume
2.8539933329713E+21
Height
13638506.361303