28169871 is an odd 8-digits composite number following 28169870
and preceding 28169872 . In scientific notation, it is written as 2.8169871 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 17622176 positive integers (up to 28169871) that are relatively prime to 28169871.
28169871 has 16 divisors, whose sum is 39937536
The reverse of 28169871 is 17896182
Previous prime number is 53
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 seventy-one
Scientific notation
2.8169871 × 10^7
Engineering notation
2.8169871 × 10^6
Prime Factorization
3 × 23 × 53 × 7703
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28169871
Product of the distinct prime numbers
The prime factorization of 28169871 is 3 × 23 × 53 × 7703.
Since it has a total of 4 prime factors.
3 , 1 , 30 , 18 , 102 , 351 , 3449 , 7685 , 41707 , 57853 , 581151 , 747063 , 8539217 , 4789090 , 83819498 , 28720224 , 123074419 , 316664066 , 5237940606 , 8854382555
n×2
56339742
n×3
84509613
n×4
112679484
n×5
140849355
n÷2
14084935.5
n÷3
9389957
n÷3
7042467.75
n÷5
5633974.2
n2
793541632156641
n3
2.2353965410982E+22
n4
6.2970832196583E+29
n5
1.7738802197404E+37
2 √n
5307.5296513538
3 √n
304.27174095029
4 √n
72.852794396329
5 √n
30.899892721466
1 , 3 , 23 , 53 , 69 , 159 , 1219 , 3657 , 7703 , 23109 , 177169 , 408259 , 531507 , 1224777 , 9389957 , 28169871
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
-28169870
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 28169871 can be divided by 16 positive divisors.
The sum of these divisors (counting 28169871) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011101011010001111
3
Ternary
1222000011210120
4
Quaternary
1223131122033
5
Quinary
24202413441
6
Senary
2443440023
8
Octal
153353217
10
Decimal
28169871
12
Duodecimal
9526013
16
Hexadecimal
1add68f
20
Vigesimal
8g14db
36
Base36
grs0f
md5
ffd167b93b2c6927c81db461dea4953e
sha1
9127611c994946cdf7d1dc58ca34fca3ac35a0bb
sha256
5b71b95d97b76e2fa7d5ffbe65791190b7cba32144f750570d1a2c42be9abc96
sha512
0a4f4e16215ded1a26b51a796a1473067a94305ae9492485fca0ade1705c723079921fabf7b98f189b100a6c3fea6da1396e3a95cb4c49dfb7d64a6c2457b92e
ripemd-160
ce94001249653b808c1fa9e50af0b5f6e957f849
Diameter
56339742
Circumference
176996519.57234
Area
2.492984561901E+15
Volume
9.3636071351655E+22
Surface area
9.9719382476038E+15
Circumference
176996519.57234
Perimeter
112679484
Area
793541632156641
Diagonal
39838213.618501
Surface area
4761249792939846
Volume
2.2353965410982E+22
Space diagonal
48791647.814661
Perimeter
84509613
Area
3.4361360620411E+14
Altitude
24395823.907331
Surface area
3.4361360620411E+14
Volume
2.6344400880858E+21
Height
13279404.5395