28932891 is an odd 8-digits composite number following 28932890
and preceding 28932892 . In scientific notation, it is written as 2.8932891 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 17804832 positive integers (up to 28932891) that are relatively prime to 28932891.
28932891 has 4 divisors, whose sum is 29674800
The reverse of 28932891 is 19823982
Previous prime number is 39
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million nine hundred thirty-two thousand eight hundred ninety-one
Scientific notation
2.8932891 × 10^7
Engineering notation
2.8932891 × 10^6
Prime Factorization
39 × 741869
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28932891
Product of the distinct prime numbers
The prime factorization of 28932891 is 39 × 741869.
Since it has a total of 2 prime factors.
3 , 1 , 46 , 72 , 333 , 579 , 9821 , 1534 , 20063 , 79514 , 799290 , 627651 , 5254384 , 6738959 , 74553802 , 56897202 , 835720453 , 181383417 , 9724301824 , 205751223
n×2
57865782
n×3
86798673
n×4
115731564
n×5
144664455
n÷2
14466445.5
n÷3
9644297
n÷3
7233222.75
n÷5
5786578.2
n2
837112181617881
n3
2.4220075505522E+22
n4
7.0075680461305E+29
n5
2.0274920245378E+37
2 √n
5378.9302839877
3 √n
306.99451089578
4 √n
73.341190909254
5 √n
31.065501301496
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
-28932890
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 28932891 can be divided by 4 positive divisors.
The sum of these divisors (counting 28932891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110010111101100011011
3
Ternary
2000102221110120
4
Quaternary
1232113230123
5
Quinary
24401323031
6
Senary
2512044323
8
Octal
156275433
10
Decimal
28932891
12
Duodecimal
98336a3
16
Hexadecimal
1b97b1b
20
Vigesimal
90gc4b
36
Base36
h84rf
md5
b50aad1c4bafc4c768549d7d13ff8c89
sha1
873eb68f2700e84985e156832b4017bc7da629ae
sha256
135a1bad71a5f39f584ac5217c4ec9021585b8a58c17727699688e95460dfb22
sha512
861c9680564ebdb4aa511d1a4498a4bba30e6913475281fe5caeb430f58df2faf70cbe7fda6536fcf32900c9a1efcf7cbed090104225b40cb39cc6e1041333dd
ripemd-160
fb18c95af86dd76921f50d2893be48e106e10252
Diameter
57865782
Circumference
181790715.62543
Area
2.6298654800013E+15
Volume
1.0145281503672E+23
Surface area
1.0519461920005E+16
Circumference
181790715.62543
Perimeter
115731564
Area
837112181617881
Diagonal
40917286.850862
Surface area
5022673089707286
Volume
2.4220075505522E+22
Space diagonal
50113237.221852
Perimeter
86798673
Area
3.6248020754925E+14
Altitude
25056618.610926
Surface area
3.6248020754925E+14
Volume
2.8543632718008E+21
Height
13639095.616954