28298689 is an odd 8-digits composite number following 28298688
and preceding 28298690 . In scientific notation, it is written as 2.8298689 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 28038960 positive integers (up to 28298689) that are relatively prime to 28298689.
28298689 has 4 divisors, whose sum is 28558420
The reverse of 28298689 is 98689282
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-eight million two hundred ninety-eight thousand six hundred eighty-nine
Scientific notation
2.8298689 × 10^7
Engineering notation
2.8298689 × 10^6
Prime Factorization
109 × 259621
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28298689
Product of the distinct prime numbers
The prime factorization of 28298689 is 109 × 259621.
Since it has a total of 2 prime factors.
7 , 6 , 87 , 2 , 733 , 24 , 9653 , 5329 , 53207 , 63428 , 606776 , 821293 , 8124922 , 7493375 , 65889755 , 78897301 , 883061505 , 259047857 , 4252808171 , 9119555532
n×2
56597378
n×3
84896067
n×4
113194756
n×5
141493445
n÷2
14149344.5
n÷3
9432896.3333333
n÷3
7074672.25
n÷5
5659737.8
n2
800815799118721
n3
2.2662037245547E+22
n4
6.4130594411816E+29
n5
1.8148117466451E+37
2 √n
5319.6512103708
3 √n
304.73483717202
4 √n
72.935939086097
5 √n
30.928101593217
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
-28298688
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 28298689 can be divided by 4 positive divisors.
The sum of these divisors (counting 28298689) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011111100110111000001
3
Ternary
1222020201111121
4
Quaternary
1223330313001
5
Quinary
24221024224
6
Senary
2450312241
8
Octal
153746701
10
Decimal
28298689
12
Duodecimal
9588681
16
Hexadecimal
1afcdc1
20
Vigesimal
8gh6e9
36
Base36
gujep
md5
e3d30710e58a5a2916c72a0520bed834
sha1
93a52b2dcde4def107f09b4bdbf96b665add73f1
sha256
13ee9a54211efb87afbed9db1a0821c4df773ac885c409bfb54618f7d43a6b46
sha512
6a3fb7f49687086e219df0cc0f89d1ff6e895b4c6d656def7be6976dac6de5799ebac13edab06a4bca179593d57379dab3e78c19dea371de979825b5ac00f6fc
ripemd-160
e0683479648691621e7adb245df139a5fa32470f
Diameter
56597378
Circumference
177805906.93724
Area
2.51583703139E+15
Volume
9.4926519634652E+22
Surface area
1.006334812556E+16
Circumference
177805906.93724
Perimeter
113194756
Area
800815799118721
Diagonal
40020389.781178
Surface area
4804894794712326
Volume
2.2662037245547E+22
Space diagonal
49014767.135591
Perimeter
84896067
Area
3.4676341289437E+14
Altitude
24507383.567795
Surface area
3.4676341289437E+14
Volume
2.6707467019714E+21
Height
13340129.927059