28166689 is an odd 8-digits composite number following 28166688
and preceding 28166690 . In scientific notation, it is written as 2.8166689 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 27429840 positive integers (up to 28166689) that are relatively prime to 28166689.
28166689 has 8 divisors, whose sum is 28912832
The reverse of 28166689 is 98666182
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
twenty-eight million one hundred sixty-six thousand six hundred eighty-nine
Scientific notation
2.8166689 × 10^7
Engineering notation
2.8166689 × 10^6
Prime Factorization
61 × 103 × 4483
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28166689
Product of the distinct prime numbers
The prime factorization of 28166689 is 61 × 103 × 4483.
Since it has a total of 3 prime factors.
9 , 3 , 98 , 19 , 605 , 186 , 5125 , 7480 , 83182 , 75376 , 741013 , 122572 , 7138970 , 1140680 , 16484405 , 59929137 , 455586365 , 345464292 , 8477317399 , 1805049962
n×2
56333378
n×3
84500067
n×4
112666756
n×5
140833445
n÷2
14083344.5
n÷3
9388896.3333333
n÷3
7041672.25
n÷5
5633337.8
n2
793362369222721
n3
2.23463911182E+22
n4
6.2942384889869E+29
n5
1.7728785801112E+37
2 √n
5307.2298800787
3 √n
304.2602839207
4 √n
72.850736990635
5 √n
30.899194614603
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
-28166688
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 28166689 can be divided by 8 positive divisors.
The sum of these divisors (counting 28166689) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101011011100101000100001
3
Ternary
1222000000102201
4
Quaternary
1223130220201
5
Quinary
24202313224
6
Senary
2443413201
8
Octal
153345041
10
Decimal
28166689
12
Duodecimal
9524201
16
Hexadecimal
1adca21
20
Vigesimal
8g0ge9
36
Base36
grpk1
md5
cd0db11f6cca42b584780a8232c15f99
sha1
dc85664b69647467a60791ed0439fb0cfc642696
sha256
1dc6800d64c242bd5374116dda85b2e4d13199681ab05e06cbc99602a5340e0d
sha512
2b7c5ae7c2b4bac2607a5cdd05de245e770260345f667ae703807fbaa1b24f9f06f8f703b9666d62ef71ef5075ee2677be7d4d23e8f8cde0bb7aecd954eb8d2c
ripemd-160
2da893bf4703bf9747b7adb5ba8deaa3367ecb77
Diameter
56333378
Circumference
176976526.4767
Area
2.4924213907847E+15
Volume
9.360434422824E+22
Surface area
9.9696855631388E+15
Circumference
176976526.4767
Perimeter
112666756
Area
793362369222721
Diagonal
39833713.590945
Surface area
4760174215336326
Volume
2.23463911182E+22
Space diagonal
48786136.428991
Perimeter
84500067
Area
3.4353598307674E+14
Altitude
24393068.214496
Surface area
3.4353598307674E+14
Volume
2.633547449121E+21
Height
13277904.530315