28161055 is an odd 8-digits composite number following 28161054
and preceding 28161056 . In scientific notation, it is written as 2.8161055 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 20286720 positive integers (up to 28161055) that are relatively prime to 28161055.
28161055 has 16 divisors, whose sum is 37283904
The reverse of 28161055 is 55016182
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-eight million one hundred sixty-one thousand fifty-five
Scientific notation
2.8161055 × 10^7
Engineering notation
2.8161055 × 10^6
Prime Factorization
13 × 5 × 41 × 10567
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28161055
Product of the distinct prime numbers
The prime factorization of 28161055 is 13 × 5 × 41 × 10567.
Since it has a total of 4 prime factors.
2 , 4 , 20 , 85 , 508 , 654 , 8549 , 9515 , 75270 , 28740 , 177028 , 843399 , 881653 , 8281386 , 10721348 , 48341776 , 156320037 , 557054851 , 9074307069 , 6733584260
n×2
56322110
n×3
84483165
n×4
112644220
n×5
140805275
n÷2
14080527.5
n÷3
9387018.3333333
n÷3
7040263.75
n÷5
5632211
n2
793045018713025
n3
2.2332984389454E+22
n4
6.2892040170554E+29
n5
1.7711062023052E+37
2 √n
5306.699068159
3 √n
304.23999616465
4 √n
72.847093752318
5 √n
30.897958402617
1 , 5 , 13 , 41 , 65 , 205 , 533 , 2665 , 10567 , 52835 , 137371 , 433247 , 686855 , 2166235 , 5632211 , 28161055
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
-28161054
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 28161055 can be divided by 16 positive divisors.
The sum of these divisors (counting 28161055) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101011011011010000011111
3
Ternary
1221222201201001
4
Quaternary
1223123100133
5
Quinary
24202123210
6
Senary
2443331131
8
Octal
153332037
10
Decimal
28161055
12
Duodecimal
9520aa7
16
Hexadecimal
1adb41f
20
Vigesimal
8g02cf
36
Base36
grl7j
md5
dac7fcc65bf0cc50ebb1fc103f086f8a
sha1
c6230d32c1980ef073e1cf16f3c211825ffae3ba
sha256
359cad410515ef7b57c797ca70f80d7694fde5c122d77e2fb4c69c379fcebd4d
sha512
d65874baae3fed7b0fbacee09a8c6818c32c6e1c62fd825a198e29bb434dac80e7729efb14c95d7d7d841ea6a59d6bb10385dff7225dd80ac1819edd13ead243
ripemd-160
694f00354af4ec5cd2d1165c492914bae511b2b9
Diameter
56322110
Circumference
176941127.01068
Area
2.4914244047548E+15
Volume
9.354818625419E+22
Surface area
9.9656976190193E+15
Circumference
176941127.01068
Perimeter
112644220
Area
793045018713025
Diagonal
39825745.911735
Surface area
4758270112278150
Volume
2.2332984389454E+22
Space diagonal
48776378.054742
Perimeter
84483165
Area
3.4339856627509E+14
Altitude
24388189.027371
Surface area
3.4339856627509E+14
Volume
2.631967450986E+21
Height
13275248.637245