28888943 is an odd 8-digits composite number following 28888942
and preceding 28888944 . In scientific notation, it is written as 2.8888943 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 27632880 positive integers (up to 28888943) that are relatively prime to 28888943.
28888943 has 4 divisors, whose sum is 30145008
The reverse of 28888943 is 34988882
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty-eight million eight hundred eighty-eight thousand nine hundred forty-three
Scientific notation
2.8888943 × 10^7
Engineering notation
2.8888943 × 10^6
Prime Factorization
23 × 1256041
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28888943
Product of the distinct prime numbers
The prime factorization of 28888943 is 23 × 1256041.
Since it has a total of 2 prime factors.
2 , 4 , 41 , 15 , 343 , 163 , 5549 , 6461 , 85245 , 9607 , 777539 , 105631 , 4818091 , 8474522 , 18175806 , 55094938 , 984929697 , 541440831 , 2584215775 , 8126302248
n×2
57777886
n×3
86666829
n×4
115555772
n×5
144444715
n÷2
14444471.5
n÷3
9629647.6666667
n÷3
7222235.75
n÷5
5777788.6
n2
834571027657249
n3
2.4109874847442E+22
n4
6.9650880020488E+29
n5
2.0121403028117E+37
2 √n
5374.8435326063
3 √n
306.83899432797
4 √n
73.313324386542
5 √n
31.056058090833
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
-28888942
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 28888943 can be divided by 4 positive divisors.
The sum of these divisors (counting 28888943) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101110001100111101101111
3
Ternary
2000100201011212
4
Quaternary
1232030331233
5
Quinary
24343421233
6
Senary
2511105035
8
Octal
156147557
10
Decimal
28888943
12
Duodecimal
981217b
16
Hexadecimal
1b8cf6f
20
Vigesimal
90b273
36
Base36
h76un
md5
05f5b466042f392d5a5fef9c759605c6
sha1
640cc5a528ee7da36aab3a3b498b8b199b5f8911
sha256
4328be7d7eb57a0a93e1727691c02931354ca41fecaee53d1af63fd7fd5a13fa
sha512
7e5c5a55e47b876e649e2880571eadc19f872296c270abaed524ef02c29e46b24a5cb9d1e7433d537135a642fc680117a1d0898c25229905108288843551f7e4
ripemd-160
2118d45c56e55683142029bb82181d457348ca55
Diameter
57777886
Circumference
181514582.19755
Area
2.6218822093869E+15
Volume
1.0099120759959E+23
Surface area
1.0487528837548E+16
Circumference
181514582.19755
Perimeter
115555772
Area
834571027657249
Diagonal
40855134.993223
Surface area
5007426165943494
Volume
2.4109874847442E+22
Space diagonal
50037117.052961
Perimeter
86666829
Area
3.6137985560683E+14
Altitude
25018558.526481
Surface area
3.6137985560683E+14
Volume
2.8413759996975E+21
Height
13618378.331074