28888911 is an odd 8-digits composite number following 28888910
and preceding 28888912 . In scientific notation, it is written as 2.8888911 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 18144000 positive integers (up to 28888911) that are relatively prime to 28888911.
28888911 has 16 divisors, whose sum is 33976800
The reverse of 28888911 is 11988882
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million eight hundred eighty-eight thousand nine hundred eleven
Scientific notation
2.8888911 × 10^7
Engineering notation
2.8888911 × 10^6
Prime Factorization
9 × 19 × 241 × 701
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28888911
Product of the distinct prime numbers
The prime factorization of 28888911 is 9 × 19 × 241 × 701.
Since it has a total of 4 prime factors.
10 , 8 , 84 , 3 , 940 , 601 , 8631 , 5557 , 18099 , 26058 , 662445 , 560671 , 1170272 , 4588807 , 80884014 , 14830547 , 720085846 , 736985240 , 7082666784 , 2534837530
n×2
57777822
n×3
86666733
n×4
115555644
n×5
144444555
n÷2
14444455.5
n÷3
9629637
n÷3
7222227.75
n÷5
5777782.2
n2
834569178765921
n3
2.4109794728712E+22
n4
6.9650571414602E+29
n5
2.0121291586956E+37
2 √n
5374.8405557747
3 √n
306.83888103374
4 √n
73.31330408442
5 √n
31.056051210732
1 , 9 , 19 , 171 , 241 , 701 , 2169 , 4579 , 6309 , 13319 , 41211 , 119871 , 168941 , 1520469 , 3209879 , 28888911
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
-28888910
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 28888911 can be divided by 16 positive divisors.
The sum of these divisors (counting 28888911) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110001100111101001111
3
Ternary
2000100201010200
4
Quaternary
1232030331033
5
Quinary
24343421121
6
Senary
2511104543
8
Octal
156147517
10
Decimal
28888911
12
Duodecimal
9812153
16
Hexadecimal
1b8cf4f
20
Vigesimal
90b25b
36
Base36
h76tr
md5
63d0d56bff88739b3559200598fc644c
sha1
3442268991b65c7979d40ee6a6827baf79e70036
sha256
53fe0227a50adb29e359fdf1e6b5a5e9d2a4b1cc878a864bed509820780755ad
sha512
26596a644c7e9af8d53f5490a55d1a6cd30d5bd63a015d789e67002afa2cb679abb584920794076d2d1711b98334373fc9651921bcb974432b3b6848d4bd677a
ripemd-160
f0c09c96a7de12670c7a6dbe5e829b1adec8dd53
Diameter
57777822
Circumference
181514381.13562
Area
2.6218764009235E+15
Volume
1.0099087199904E+23
Surface area
1.0487505603694E+16
Circumference
181514381.13562
Perimeter
115555644
Area
834569178765921
Diagonal
40855089.738389
Surface area
5007415072595526
Volume
2.4109794728712E+22
Space diagonal
50037061.627335
Perimeter
86666733
Area
3.613790550134E+14
Altitude
25018530.813668
Surface area
3.613790550134E+14
Volume
2.8413665576146E+21
Height
13618363.24613