28888938 is an even 8-digits composite number following 28888937
and preceding 28888939 . In scientific notation, it is written as 2.8888938 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 8888832 positive integers (up to 28888938) that are relatively prime to 28888938.
28888938 has 16 divisors, whose sum is 51852360
The reverse of 28888938 is 83988882
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 54
Digital Root 9
Name
twenty-eight million eight hundred eighty-eight thousand nine hundred thirty-eight
Scientific notation
2.8888938 × 10^7
Engineering notation
2.8888938 × 10^6
Prime Factorization
2 × 9 × 13 × 123457
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28888938
Product of the distinct prime numbers
The prime factorization of 28888938 is 2 × 9 × 13 × 123457.
Since it has a total of 4 prime factors.
8 , 6 , 78 , 59 , 177 , 902 , 6570 , 2603 , 58137 , 92312 , 566956 , 843266 , 1750652 , 3976064 , 50385540 , 5170779 , 848021541 , 262737937 , 2146743704 , 8850705835
n×2
57777876
n×3
86666814
n×4
115555752
n×5
144444690
n÷2
14444469
n÷3
9629646
n÷3
7222234.5
n÷5
5777787.6
n2
834570738767844
n3
2.4109862328878E+22
n4
6.965083180075E+29
n5
2.0121385615403E+37
2 √n
5374.8430674765
3 √n
306.83897662575
4 √n
73.313321214336
5 √n
31.056057015818
1 , 2 , 9 , 13 , 18 , 26 , 117 , 234 , 123457 , 246914 , 1111113 , 1604941 , 2222226 , 3209882 , 14444469 , 28888938
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28888937
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28888938 can be divided by 16 positive divisors.
The sum of these divisors (counting 28888938) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110001100111101101010
3
Ternary
2000100201011200
4
Quaternary
1232030331222
5
Quinary
24343421223
6
Senary
2511105030
8
Octal
156147552
10
Decimal
28888938
12
Duodecimal
9812176
16
Hexadecimal
1b8cf6a
20
Vigesimal
90b26i
36
Base36
h76ui
md5
c9b7b8421faeeef8c376bf9a9a472cf1
sha1
dda20b719a8f33c189bf0778daf2f9e7202ddbdc
sha256
a05530a837a7f7593ddd970dae969bde68235eba603e2b2150c2b8197f198ff1
sha512
ba11cca9661579361e1e45146621281b583cf959fdc29113b9a14df5b7dd2ff354a83b20f823ba6eba4f994ccd608fac73e5db57945be4e9f85082a707b49102
ripemd-160
f4471c1966aab79a57b4d97f9c13f5206bf03098
Diameter
57777876
Circumference
181514550.78162
Area
2.6218813018141E+15
Volume
1.0099115516195E+23
Surface area
1.0487525207256E+16
Circumference
181514550.78162
Perimeter
115555752
Area
834570738767844
Diagonal
40855127.922155
Surface area
5007424432607064
Volume
2.4109862328878E+22
Space diagonal
50037108.392707
Perimeter
86666814
Area
3.6137973051405E+14
Altitude
25018554.196354
Surface area
3.6137973051405E+14
Volume
2.8413745243707E+21
Height
13618375.974052