28169813 is an odd 8-digits composite number following 28169812
and preceding 28169814 . In scientific notation, it is written as 2.8169813 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 24145548 positive integers (up to 28169813) that are relatively prime to 28169813.
28169813 has 4 divisors, whose sum is 32194080
The reverse of 28169813 is 31896182
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty-eight million one hundred sixty-nine thousand eight hundred thirteen
Scientific notation
2.8169813 × 10^7
Engineering notation
2.8169813 × 10^6
Prime Factorization
7 × 4024259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
28169813
Product of the distinct prime numbers
The prime factorization of 28169813 is 7 × 4024259.
Since it has a total of 2 prime factors.
9 , 3 , 15 , 3 , 59 , 884 , 3165 , 97 , 13983 , 47846 , 236990 , 889249 , 9922870 , 2710959 , 93626539 , 3575218 , 450037469 , 888154043 , 4230065122 , 84923646
n×2
56339626
n×3
84509439
n×4
112679252
n×5
140849065
n÷2
14084906.5
n÷3
9389937.6666667
n÷3
7042453.25
n÷5
5633962.6
n2
793538364454969
n3
2.2353827335022E+22
n4
6.2970313586187E+29
n5
1.7738619582742E+37
2 √n
5307.5241874154
3 √n
304.27153212466
4 √n
72.852756896465
5 √n
30.899879997267
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
-28169812
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 28169813 can be divided by 4 positive divisors.
The sum of these divisors (counting 28169813) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101011011101011001010101
3
Ternary
1222000011201102
4
Quaternary
1223131121111
5
Quinary
24202413223
6
Senary
2443435445
8
Octal
153353125
10
Decimal
28169813
12
Duodecimal
9525b85
16
Hexadecimal
1add655
20
Vigesimal
8g14ad
36
Base36
grryt
md5
fe81776d35d0a949db86c5135239555e
sha1
fd6dbb9cdaf8aad042e108bef8a46be783c5afca
sha256
b89f61f63888131d30838bb06a719a9d508ae42ccc4ea1864a4b12ae6022e112
sha512
6beb48c3a7c78ed9de7a32589d1969f827dc312cb4535e887c5d015057b153e4a3e024bb19ed016c791b8931cc0d0be56d70a1881d3e8d71a1eaa002963190a7
ripemd-160
568cf3d71132093a0c1472d8b7ef74ef46915f39
Diameter
56339626
Circumference
176996155.1476
Area
2.4929742961134E+15
Volume
9.3635492980428E+22
Surface area
9.9718971844536E+15
Circumference
176996155.1476
Perimeter
112679252
Area
793538364454969
Diagonal
39838131.594114
Surface area
4761230186729814
Volume
2.2353827335022E+22
Space diagonal
48791547.355714
Perimeter
84509439
Area
3.4361219124778E+14
Altitude
24395773.677857
Surface area
3.4361219124778E+14
Volume
2.6344238156779E+21
Height
13279377.198038