28238743 is an odd 8-digits composite number following 28238742
and preceding 28238744 . In scientific notation, it is written as 2.8238743 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 26066520 positive integers (up to 28238743) that are relatively prime to 28238743.
28238743 has 4 divisors, whose sum is 30410968
The reverse of 28238743 is 34783282
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million two hundred thirty-eight thousand seven hundred forty-three
Scientific notation
2.8238743 × 10^7
Engineering notation
2.8238743 × 10^6
Prime Factorization
13 × 2172211
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28238743
Product of the distinct prime numbers
The prime factorization of 28238743 is 13 × 2172211.
Since it has a total of 2 prime factors.
9 , 3 , 14 , 6 , 243 , 30 , 8267 , 8961 , 47407 , 74681 , 446631 , 684986 , 4915597 , 1094611 , 74513071 , 341183 , 56394295 , 522320706 , 5119442144 , 4895864238
n×2
56477486
n×3
84716229
n×4
112954972
n×5
141193715
n÷2
14119371.5
n÷3
9412914.3333333
n÷3
7059685.75
n÷5
5647748.6
n2
797426606220049
n3
2.251832499441E+22
n4
6.3588919230763E+29
n5
1.7956711478053E+37
2 √n
5314.0138313708
3 √n
304.51950860187
4 √n
72.897282743397
5 √n
30.914987282898
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
-28238742
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 28238743 can be divided by 4 positive divisors.
The sum of these divisors (counting 28238743) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011101110001110010111
3
Ternary
1222010200021101
4
Quaternary
1223232032113
5
Quinary
24212114433
6
Senary
2445130531
8
Octal
153561627
10
Decimal
28238743
12
Duodecimal
9559a47
16
Hexadecimal
1aee397
20
Vigesimal
8g9gh3
36
Base36
gt95j
md5
91003daaa25c4f39fcbc6501c115ffad
sha1
2687953f71edefff4783a59fb249a5bfa7d30a79
sha256
7d3612c235a374d0cb75a4dc03c32f47be60d5a76ece7e437643fb4df49c2450
sha512
5d711d8f43289168af8b5497e61e9c0c3dbb3248393cf8d3b2e207ddcb57ab4598e86d7618f0eb0341732c6a5970728645026d0c9ca469f14fae97fd94144331
ripemd-160
e1ed8952227004c9d02a16d449e96bc8f89653c1
Diameter
56477486
Circumference
177429255.11082
Area
2.5051895678779E+15
Volume
9.4324539164782E+22
Surface area
1.0020758271512E+16
Circumference
177429255.11082
Perimeter
112954972
Area
797426606220049
Diagonal
39935613.334968
Surface area
4784559637320294
Volume
2.251832499441E+22
Space diagonal
48910937.61788
Perimeter
84716229
Area
3.4529584932009E+14
Altitude
24455468.80894
Surface area
3.4529584932009E+14
Volume
2.6538100507517E+21
Height
13311871.111656