28888965 is an odd 8-digits composite number following 28888964
and preceding 28888966 . In scientific notation, it is written as 2.8888965 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 13206240 positive integers (up to 28888965) that are relatively prime to 28888965.
28888965 has 16 divisors, whose sum is 44021760
The reverse of 28888965 is 56988882
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
twenty-eight million eight hundred eighty-eight thousand nine hundred sixty-five
Scientific notation
2.8888965 × 10^7
Engineering notation
2.8888965 × 10^6
Prime Factorization
5 × 9 × 7 × 91711
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28888965
Product of the distinct prime numbers
The prime factorization of 28888965 is 5 × 9 × 7 × 91711.
Since it has a total of 4 prime factors.
1 , 10 , 75 , 60 , 499 , 841 , 4840 , 5151 , 94878 , 39972 , 266999 , 846618 , 4593177 , 7159524 , 23496625 , 93295227 , 423487371 , 894965433 , 2590402204 , 7532725504
n×2
57777930
n×3
86666895
n×4
115555860
n×5
144444825
n÷2
14444482.5
n÷3
9629655
n÷3
7222241.25
n÷5
5777793
n2
834572298771225
n3
2.4109929929171E+22
n4
6.9651092187629E+29
n5
2.0121479644202E+37
2 √n
5374.8455791771
3 √n
306.8390722177
4 √n
73.313338344241
5 √n
31.0560628209
1 , 5 , 7 , 9 , 35 , 45 , 63 , 315 , 91711 , 458555 , 641977 , 825399 , 3209885 , 4126995 , 5777793 , 28888965
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
-28888964
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 28888965 can be divided by 16 positive divisors.
The sum of these divisors (counting 28888965) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110001100111110000101
3
Ternary
2000100201012200
4
Quaternary
1232030332011
5
Quinary
24343421330
6
Senary
2511105113
8
Octal
156147605
10
Decimal
28888965
12
Duodecimal
9812199
16
Hexadecimal
1b8cf85
20
Vigesimal
90b285
36
Base36
h76v9
md5
3d9ab41ce095edba2010e13d95e589e1
sha1
be8abd8058dfcc3696c55b3921a2da1842c5a707
sha256
5c3eca08171691dd3c678e80f709f469fb4e05487d10168c9def379356393960
sha512
7312cd08b610ff37b3c50dd7363af9ddb9cf586675d3ea6e3e95ade21e1a05158bb5943064f7aebebe08938be7d828328b1394e7894f02054bc4cdf08ba5164b
ripemd-160
a0a83dc338fd053a7aa5a8f69cd1d1d0360503b1
Diameter
57777930
Circumference
181514720.42763
Area
2.6218862027092E+15
Volume
1.009914383254E+23
Surface area
1.0487544810837E+16
Circumference
181514720.42763
Perimeter
115555860
Area
834572298771225
Diagonal
40855166.105922
Surface area
5007433792627350
Volume
2.4109929929171E+22
Space diagonal
50037155.158079
Perimeter
86666895
Area
3.6138040601533E+14
Altitude
25018577.57904
Surface area
3.6138040601533E+14
Volume
2.8413824911416E+21
Height
13618388.701974