28161775 is an odd 8-digits composite number following 28161774
and preceding 28161776 . In scientific notation, it is written as 2.8161775 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 19514880 positive integers (up to 28161775) that are relatively prime to 28161775.
28161775 has 16 divisors, whose sum is 30590208
The reverse of 28161775 is 57716182
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-eight million one hundred sixty-one thousand seven hundred seventy-five
Scientific notation
2.8161775 × 10^7
Engineering notation
2.8161775 × 10^6
Prime Factorization
425 × 67 × 43 × 23
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28161775
Product of the distinct prime numbers
The prime factorization of 28161775 is 425 × 67 × 43 × 23.
Since it has a total of 4 prime factors.
9 , 10 , 38 , 75 , 784 , 599 , 890 , 9562 , 69133 , 1521 , 533723 , 457177 , 7670287 , 659841 , 5665194 , 52744150 , 568783429 , 474253457 , 3127128516 , 8517368166
n×2
56323550
n×3
84485325
n×4
112647100
n×5
140808875
n÷2
14080887.5
n÷3
9387258.3333333
n÷3
7040443.75
n÷5
5632355
n2
793085571150625
n3
2.233469741049E+22
n4
6.2898472316731E+29
n5
1.7713326252275E+37
2 √n
5306.7669065072
3 √n
304.24258899992
4 √n
72.847559372344
5 √n
30.898116396006
1 , 23 , 43 , 67 , 425 , 989 , 1541 , 2881 , 9775 , 18275 , 28475 , 66263 , 420325 , 654925 , 1224425 , 28161775
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28161774
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28161775 can be divided by 16 positive divisors.
The sum of these divisors (counting 28161775) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011011011011101111
3
Ternary
1221222202200201
4
Quaternary
1223123123233
5
Quinary
24202134100
6
Senary
2443334331
8
Octal
153333357
10
Decimal
28161775
12
Duodecimal
95213a7
16
Hexadecimal
1adb6ef
20
Vigesimal
8g048f
36
Base36
grlrj
md5
ecda76443f5c22333aff8c828d64dfef
sha1
6fef14415a18a0e21eaa98772511be0964ad4635
sha256
0de9ee81dbd1958e2620e92f416f6ab5356b83b33beafe463aa692060a4d6a50
sha512
355bdb4d927fb0863358d3f0e7db64f5db787c6ee6f812bba01bd20bece659124bf6be4e0557ac1cb4241aafba47c858fc7d2f85f22345eed848e7b2138c0f5e
ripemd-160
c66d60abf57e5ae33c6ad13293a7c84f98c508d1
Diameter
56323550
Circumference
176945650.9041
Area
2.4915518039949E+15
Volume
9.355536173993E+22
Surface area
9.9662072159795E+15
Circumference
176945650.9041
Perimeter
112647100
Area
793085571150625
Diagonal
39826764.1455
Surface area
4758513426903750
Volume
2.233469741049E+22
Space diagonal
48777625.131323
Perimeter
84485325
Area
3.4341612599567E+14
Altitude
24388812.565662
Surface area
3.4341612599567E+14
Volume
2.6321693324512E+21
Height
13275588.0485