28239743 is an odd 8-digits composite number following 28239742
and preceding 28239744 . In scientific notation, it is written as 2.8239743 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 24205488 positive integers (up to 28239743) that are relatively prime to 28239743.
28239743 has 4 divisors, whose sum is 32274000
The reverse of 28239743 is 34793282
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million two hundred thirty-nine thousand seven hundred forty-three
Scientific notation
2.8239743 × 10^7
Engineering notation
2.8239743 × 10^6
Prime Factorization
7 × 4034249
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28239743
Product of the distinct prime numbers
The prime factorization of 28239743 is 7 × 4034249.
Since it has a total of 2 prime factors.
9 , 10 , 28 , 96 , 135 , 909 , 8213 , 7278 , 83162 , 77505 , 330288 , 858349 , 7401755 , 8479417 , 77628890 , 19636252 , 659045538 , 131856272 , 1826402187 , 3831195300
n×2
56479486
n×3
84719229
n×4
112958972
n×5
141198715
n÷2
14119871.5
n÷3
9413247.6666667
n÷3
7059935.75
n÷5
5647948.6
n2
797483084706049
n3
2.2520717358946E+22
n4
6.3597927039228E+29
n5
1.7959891149205E+37
2 √n
5314.1079213731
3 √n
304.52310314235
4 √n
72.897928100688
5 √n
30.915206234212
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
-28239742
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 28239743 can be divided by 4 positive divisors.
The sum of these divisors (counting 28239743) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011101110011101111111
3
Ternary
1222010201122102
4
Quaternary
1223232131333
5
Quinary
24212132433
6
Senary
2445135315
8
Octal
153563577
10
Decimal
28239743
12
Duodecimal
955a53b
16
Hexadecimal
1aee77f
20
Vigesimal
8g9j73
36
Base36
gt9xb
md5
f461b2a67cf60aff5aa5d214cb96278a
sha1
355708194b53e7e6350c8dca51c74d095fcfcba5
sha256
56ae76d74f4150b46de0cfb487427838305dc75bcbbeb450c6bcd8196f319604
sha512
551c41bca0dd9869b52bd07eaa190f24e292c1f15bc19028ca95a96f8ab75214d6b28cc24db03e913c13f8909145a10da209a78ad5caa42066a756e9642d555c
ripemd-160
eed19df325849bc2ef601d156fe7f7fd9d5de938
Diameter
56479486
Circumference
177435538.29613
Area
2.5053670002746E+15
Volume
9.4334560277916E+22
Surface area
1.0021468001099E+16
Circumference
177435538.29613
Perimeter
112958972
Area
797483084706049
Diagonal
39937027.548531
Surface area
4784898508236294
Volume
2.2520717358946E+22
Space diagonal
48912669.668688
Perimeter
84719229
Area
3.4532030522191E+14
Altitude
24456334.834344
Surface area
3.4532030522191E+14
Volume
2.6540919936161E+21
Height
13312342.516177