28161513 is an odd 8-digits composite number following 28161512
and preceding 28161514 . In scientific notation, it is written as 2.8161513 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 18774180 positive integers (up to 28161513) that are relatively prime to 28161513.
28161513 has 12 divisors, whose sum is 42184688
The reverse of 28161513 is 31516182
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-eight million one hundred sixty-one thousand five hundred thirteen
Scientific notation
2.8161513 × 10^7
Engineering notation
2.8161513 × 10^6
Prime Factorization
9 × 9 × 3 × 115891
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3129057
Product of the distinct prime numbers
The prime factorization of 28161513 is 9 × 9 × 3 × 115891.
Since it has a total of 4 prime factors.
9 , 5 , 17 , 3 , 579 , 129 , 6918 , 958 , 253 , 77866 , 112195 , 592088 , 904863 , 3006062 , 48062280 , 48419934 , 990789600 , 614791686 , 2212936389 , 5538596787
n×2
56323026
n×3
84484539
n×4
112646052
n×5
140807565
n÷2
14080756.5
n÷3
9387171
n÷3
7040378.25
n÷5
5632302.6
n2
793070814449169
n3
2.2334074051031E+22
n4
6.2896131673107E+29
n5
1.7712502297619E+37
2 √n
5306.7422209864
3 √n
304.24164550109
4 √n
72.847389939424
5 √n
30.898058904341
1 , 3 , 9 , 27 , 81 , 243 , 115891 , 347673 , 1043019 , 3129057 , 9387171 , 28161513
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28161512
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28161513 can be divided by 12 positive divisors.
The sum of these divisors (counting 28161513) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101011011011010111101001
3
Ternary
1221222202100000
4
Quaternary
1223123113221
5
Quinary
24202132023
6
Senary
2443333213
8
Octal
153332751
10
Decimal
28161513
12
Duodecimal
9521209
16
Hexadecimal
1adb5e9
20
Vigesimal
8g03fd
36
Base36
grlk9
md5
f503d109b4f646a77a333425f45c19d2
sha1
34e4184e5628b3643135324baadc85509662dced
sha256
a87bfd2bbdc132f3a8f2e99c2046dc812f089fd83e6025c9df0cb6042c02626e
sha512
05acf8178abeeff82874a9a937479094e74e48f1ac973a07585f8630282cd74521b064801efcce32c0bbdcfb03f46157b50b2e7072ca043bab0d952b111e2a84
ripemd-160
a2412bbc4b7b55545606124027401165575c321c
Diameter
56323026
Circumference
176944004.70955
Area
2.49150544445E+15
Volume
9.3552750617932E+22
Surface area
9.9660217777999E+15
Circumference
176944004.70955
Perimeter
112646052
Area
793070814449169
Diagonal
39826393.621546
Surface area
4758424886695014
Volume
2.2334074051031E+22
Space diagonal
48777171.334011
Perimeter
84484539
Area
3.434097361565E+14
Altitude
24388585.667006
Surface area
3.434097361565E+14
Volume
2.6320958688344E+21
Height
13275464.540515