28169817 is an odd 8-digits composite number following 28169816
and preceding 28169818 . In scientific notation, it is written as 2.8169817 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 16736832 positive integers (up to 28169817) that are relatively prime to 28169817.
28169817 has 8 divisors, whose sum is 29889600
The reverse of 28169817 is 71896182
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-eight million one hundred sixty-nine thousand eight hundred seventeen
Scientific notation
2.8169817 × 10^7
Engineering notation
2.8169817 × 10^6
Prime Factorization
39 × 29 × 24907
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28169817
Product of the distinct prime numbers
The prime factorization of 28169817 is 39 × 29 × 24907.
Since it has a total of 3 prime factors.
1 , 9 , 48 , 15 , 201 , 215 , 987 , 7862 , 91503 , 95873 , 913259 , 843772 , 602808 , 6762637 , 67582550 , 21468802 , 395237452 , 962622556 , 2485697375 , 5715730827
n×2
56339634
n×3
84509451
n×4
112679268
n×5
140849085
n÷2
14084908.5
n÷3
9389939
n÷3
7042454.25
n÷5
5633963.4
n2
793538589813489
n3
2.2353836857484E+22
n4
6.2970349352318E+29
n5
1.7738632176809E+37
2 √n
5307.524564239
3 √n
304.27154652644
4 √n
72.852759482665
5 √n
30.899880874799
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
-28169816
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 28169817 can be divided by 8 positive divisors.
The sum of these divisors (counting 28169817) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011011101011001011001
3
Ternary
1222000011201120
4
Quaternary
1223131121121
5
Quinary
24202413232
6
Senary
2443435453
8
Octal
153353131
10
Decimal
28169817
12
Duodecimal
9525b89
16
Hexadecimal
1add659
20
Vigesimal
8g14ah
36
Base36
grryx
md5
e5120b09c64e3fac036d43b176bc1e9e
sha1
3cdd83072b0c8146db4902533ae46b485411322d
sha256
33668e395e9fe8abb375f8c7fe395cf0ebb1937f2cada546a7eed40611a731e7
sha512
3b910b5d351c4b1d3c2c5df0425280844d7f2e6a46099caee2df4ac79fb249782f92a2c2341d76267f1caa7f6b0db6bd64401920e8d199a5409f370377c3696c
ripemd-160
49c9af4ccc7c749e6fcf9f64f03b378af6668ffc
Diameter
56339634
Circumference
176996180.28034
Area
2.4929750040981E+15
Volume
9.3635532868022E+22
Surface area
9.9719000163922E+15
Circumference
176996180.28034
Perimeter
112679268
Area
793538589813489
Diagonal
39838137.250968
Surface area
4761231538880934
Volume
2.2353836857484E+22
Space diagonal
48791554.283917
Perimeter
84509451
Area
3.4361228883088E+14
Altitude
24395777.141959
Surface area
3.4361228883088E+14
Volume
2.6344249379108E+21
Height
13279379.083656