28492731 is an odd 8-digits composite number following 28492730
and preceding 28492732 . In scientific notation, it is written as 2.8492731 × 10^7.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 17877696 positive integers (up to 28492731) that are relatively prime to 28492731.
28492731 has 8 divisors, whose sum is 38735424
The reverse of 28492731 is 13729482
Previous prime number is 51
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-eight million four hundred ninety-two thousand seven hundred thirty-one
Scientific notation
2.8492731 × 10^7
Engineering notation
2.8492731 × 10^6
Prime Factorization
3 × 51 × 186227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28492731
Product of the distinct prime numbers
The prime factorization of 28492731 is 3 × 51 × 186227.
Since it has a total of 3 prime factors.
3 , 10 , 86 , 53 , 309 , 507 , 9684 , 6313 , 29531 , 4719 , 447914 , 660695 , 1720583 , 375576 , 82840947 , 64219916 , 912524610 , 346852793 , 9255988069 , 798139980
n×2
56985462
n×3
85478193
n×4
113970924
n×5
142463655
n÷2
14246365.5
n÷3
9497577
n÷3
7123182.75
n÷5
5698546.2
n2
811835719838361
n3
2.3131416781546E+22
n4
6.5907723600547E+29
n5
1.8778910393727E+37
2 √n
5337.8582783735
3 √n
305.4297659098
4 √n
73.060647946576
5 √n
30.970400073975
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28492730
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28492731 can be divided by 8 positive divisors.
The sum of these divisors (counting 28492731) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100101100001110111011
3
Ternary
1222121120200100
4
Quaternary
1230230032323
5
Quinary
24243231411
6
Senary
2454410443
8
Octal
154541673
10
Decimal
28492731
12
Duodecimal
9660a23
16
Hexadecimal
1b2c3bb
20
Vigesimal
8i1bgb
36
Base36
gyp4r
md5
6689281e326f65b418711d331ae7aaf8
sha1
e3a4813e8f54b20289f2a09b6851a3addd08f924
sha256
3dcaead72059ce964c39a1f3f3381e443854cc0c7fce713a81b550040d87f0be
sha512
c7e2ec35b821d790c5bd936223a29d48fc4022b6fa0af84eb3ce520ebdbab1e2543db199f4d4b4e38d66e713ee6c907c1d9e67fefbab299eff9aa897cc491144
ripemd-160
68d163ec5fb75bba0c58d285b61d176de7c42964
Diameter
56985462
Circumference
179025108.78062
Area
2.550457133366E+15
Volume
9.6892652037371E+22
Surface area
1.0201828533464E+16
Circumference
179025108.78062
Perimeter
113970924
Area
811835719838361
Diagonal
40294806.609248
Surface area
4871014319030166
Volume
2.3131416781546E+22
Space diagonal
49350857.738393
Perimeter
85478193
Area
3.5153517853982E+14
Altitude
24675428.869196
Surface area
3.5153517853982E+14
Volume
2.7260636107806E+21
Height
13431602.203083