28161718 is an even 8-digits composite number following 28161717
and preceding 28161719 . In scientific notation, it is written as 2.8161718 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 12913056 positive integers (up to 28161718) that are relatively prime to 28161718.
28161718 has 16 divisors, whose sum is 45788400
The reverse of 28161718 is 81716182
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-eight million one hundred sixty-one thousand seven hundred eighteen
Scientific notation
2.8161718 × 10^7
Engineering notation
2.8161718 × 10^6
Prime Factorization
2 × 13 × 157 × 6899
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28161718
Product of the distinct prime numbers
The prime factorization of 28161718 is 2 × 13 × 157 × 6899.
Since it has a total of 4 prime factors.
6 , 8 , 74 , 5 , 998 , 640 , 9745 , 7105 , 34030 , 68501 , 773009 , 367574 , 686305 , 554990 , 33242549 , 92916729 , 473247262 , 406465190 , 2062192314 , 9447563703
n×2
56323436
n×3
84485154
n×4
112646872
n×5
140808590
n÷2
14080859
n÷3
9387239.3333333
n÷3
7040429.5
n÷5
5632343.6
n2
793082360711524
n3
2.2334561793132E+22
n4
6.2897963087176E+29
n5
1.7713146992355E+37
2 √n
5306.7615360029
3 √n
304.24238373541
4 √n
72.847522511084
5 √n
30.898103888314
1 , 2 , 13 , 26 , 157 , 314 , 2041 , 4082 , 6899 , 13798 , 89687 , 179374 , 1083143 , 2166286 , 14080859 , 28161718
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
-28161717
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 28161718 can be divided by 16 positive divisors.
The sum of these divisors (counting 28161718) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011011011010110110
3
Ternary
1221222202121121
4
Quaternary
1223123122312
5
Quinary
24202133333
6
Senary
2443334154
8
Octal
153333266
10
Decimal
28161718
12
Duodecimal
952135a
16
Hexadecimal
1adb6b6
20
Vigesimal
8g045i
36
Base36
grlpy
md5
55b7048f6baf1fef007e9dc3f0f1e33e
sha1
583dc403d6dd40a6bbffcb0c0e815cac6094e78d
sha256
50ba66f2ca908f66d7bc5e707a1561f4fd5950267c9e5f5cd9e92e740ab9bea1
sha512
27bc4f4020eb70b29140933cf6d5a779e1d12353a261cee36ad0756327618054c77bf4eb060d57f81d6d16cb67adc7ee0351d724e9ec964efd23846ddceb4806
ripemd-160
a02bd0804eecec036515e0fea1117494834322e2
Diameter
56323436
Circumference
176945292.76253
Area
2.491541718103E+15
Volume
9.3554793667269E+22
Surface area
9.9661668724119E+15
Circumference
176945292.76253
Perimeter
112646872
Area
793082360711524
Diagonal
39826683.535327
Surface area
4758494164269144
Volume
2.2334561793132E+22
Space diagonal
48777526.404427
Perimeter
84485154
Area
3.4341473583476E+14
Altitude
24388763.202213
Surface area
3.4341473583476E+14
Volume
2.6321533497923E+21
Height
13275561.178442