28931292 is an even 8-digits composite number following 28931291
and preceding 28931293 . In scientific notation, it is written as 2.8931292 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors.
There are 8901792 positive integers (up to 28931292) that are relatively prime to 28931292.
28931292 has 24 divisors, whose sum is 60583600
The reverse of 28931292 is 29213982
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million nine hundred thirty-one thousand two hundred ninety-two
Scientific notation
2.8931292 × 10^7
Engineering notation
2.8931292 × 10^6
Prime Factorization
2 × 2 × 9 × 13 × 61819
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
14465646
Product of the distinct prime numbers
The prime factorization of 28931292 is 2 × 2 × 9 × 13 × 61819.
Since it has a total of 5 prime factors.
8 , 1 , 30 , 90 , 763 , 581 , 1294 , 2451 , 70325 , 28736 , 643261 , 215938 , 6942844 , 9624320 , 13919462 , 95359194 , 822265511 , 968444572 , 4538982376 , 3450121806
n×2
57862584
n×3
86793876
n×4
115725168
n×5
144656460
n÷2
14465646
n÷3
9643764
n÷3
7232823
n÷5
5786258.4
n2
837019656789264
n3
2.421606010031E+22
n4
7.0060190585162E+29
n5
2.026931831395E+37
2 √n
5378.7816464326
3 √n
306.98885535695
4 √n
73.340177572955
5 √n
31.065157921813
1 , 2 , 4 , 9 , 13 , 18 , 26 , 36 , 52 , 117 , 234 , 468 , 61819 , 123638 , 247276 , 556371 , 803647 , 1112742 , 1607294 , 2225484 , 3214588 , 7232823 , 14465646 , 28931292
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28931291
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28931292 can be divided by 24 positive divisors.
The sum of these divisors (counting 28931292) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101110010111010011011100
3
Ternary
2000102212021100
4
Quaternary
1232113103130
5
Quinary
24401300132
6
Senary
2512033100
8
Octal
156272334
10
Decimal
28931292
12
Duodecimal
9832790
16
Hexadecimal
1b974dc
20
Vigesimal
90g84c
36
Base36
h83j0
md5
c1904a09d0713ded88bd19dbeb6a3d55
sha1
b1e86b0a69f4140fc57826a0509296848668ed7b
sha256
fb6daa4dc7e17b46870f31cd6486fb6e50d8a16f2e519c35fe1f321135e12557
sha512
67aebea151409050c46d629426e94feaf797cc1b652f8dcca94c196c10cb7e90b7f7d9357cfc0c8989ee9899ca75741c58d15fa805460309f32d024c01d1b1ce
ripemd-160
ad5d1ffb9ecc0ad61bccc339fc388c76c1dccbe5
Diameter
57862584
Circumference
181780668.81212
Area
2.6295748046794E+15
Volume
1.014359953467E+23
Surface area
1.0518299218718E+16
Circumference
181780668.81212
Perimeter
115725168
Area
837019656789264
Diagonal
40915025.523376
Surface area
5022117940735584
Volume
2.421606010031E+22
Space diagonal
50110467.672611
Perimeter
86793876
Area
3.6244014312322E+14
Altitude
25055233.836305
Surface area
3.6244014312322E+14
Volume
2.8538900517584E+21
Height
13638341.841125