28168869 is an odd 8-digits composite number following 28168868
and preceding 28168870 . In scientific notation, it is written as 2.8168869 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 18763920 positive integers (up to 28168869) that are relatively prime to 28168869.
28168869 has 8 divisors, whose sum is 37589152
The reverse of 28168869 is 96886182
Previous prime number is 1531
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty-eight million one hundred sixty-eight thousand eight hundred sixty-nine
Scientific notation
2.8168869 × 10^7
Engineering notation
2.8168869 × 10^6
Prime Factorization
3 × 1531 × 6133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28168869
Product of the distinct prime numbers
The prime factorization of 28168869 is 3 × 1531 × 6133.
Since it has a total of 3 prime factors.
7 , 2 , 23 , 99 , 442 , 334 , 7780 , 9086 , 907 , 62449 , 933961 , 559784 , 726970 , 4451031 , 76445082 , 14248793 , 123821990 , 140022158 , 9339106387 , 5233853868
n×2
56337738
n×3
84506607
n×4
112675476
n×5
140844345
n÷2
14084434.5
n÷3
9389623
n÷3
7042217.25
n÷5
5633773.8
n2
793485180739161
n3
2.2351580109683E+22
n4
6.2961873205266E+29
n5
1.7735647583137E+37
2 √n
5307.4352563173
3 √n
304.26813326723
4 √n
72.852146545708
5 √n
30.899672897009
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28168868
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28168869 can be divided by 8 positive divisors.
The sum of these divisors (counting 28168869) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011011101001010100101
3
Ternary
1222000010102110
4
Quaternary
1223131022211
5
Quinary
24202400434
6
Senary
2443431233
8
Octal
153351245
10
Decimal
28168869
12
Duodecimal
9525519
16
Hexadecimal
1add2a5
20
Vigesimal
8g1239
36
Base36
grr8l
md5
19b361e35a240906c207a54cddbe58b6
sha1
a82e558a748c3cd93d331c1daa045d8af614f33b
sha256
ffa1c348509ca494123eb8a2f59e24a76c307a9b29d42cd85b157ec110690a59
sha512
93c33de90c9d700376ccb64448eac259fd15c669607e50db604412aea0b8f3680a4deb414cd265363f738d11e738d21fb6f5b027fe38b009c79388f4b3a4b8d1
ripemd-160
60f39591cd1244b4462e62b4a985807a5fd35628
Diameter
56337738
Circumference
176990223.82067
Area
2.4928072145425E+15
Volume
9.3626079824937E+22
Surface area
9.9712288581701E+15
Circumference
176990223.82067
Perimeter
112675476
Area
793485180739161
Diagonal
39836796.576511
Surface area
4760911084434966
Volume
2.2351580109683E+22
Space diagonal
48789912.299752
Perimeter
84506607
Area
3.435891620233E+14
Altitude
24394956.149876
Surface area
3.435891620233E+14
Volume
2.6341589776318E+21
Height
13278932.19217