20115845 is an odd 8-digits composite number following 20115844
and preceding 20115846 . In scientific notation, it is written as 2.0115845 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 15144960 positive integers (up to 20115845) that are relatively prime to 20115845.
20115845 has 12 divisors, whose sum is 25644324
The reverse of 20115845 is 54851102
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred fifteen thousand eight hundred forty-five
Scientific notation
2.0115845 × 10^7
Engineering notation
2.0115845 × 10^6
Prime Factorization
5 × 17 × 17 × 13921
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1183285
Product of the distinct prime numbers
The prime factorization of 20115845 is 5 × 17 × 17 × 13921.
Since it has a total of 4 prime factors.
4 , 2 , 20 , 8 , 532 , 801 , 4861 , 545 , 32606 , 1655 , 851122 , 872126 , 5046605 , 6685208 , 91469306 , 62699266 , 286613632 , 762832001 , 6811455240 , 8893439037
n×2
40231690
n×3
60347535
n×4
80463380
n×5
100579225
n÷2
10057922.5
n÷3
6705281.6666667
n÷3
5028961.25
n÷5
4023169
n2
404647220064025
n3
8.1398207584888E+21
n4
1.6373937270554E+29
n5
3.2937558417419E+36
2 √n
4485.0691187539
3 √n
271.96483920504
4 √n
66.970658640586
5 √n
28.887346855824
1 , 5 , 17 , 85 , 289 , 1445 , 13921 , 69605 , 236657 , 1183285 , 4023169 , 20115845
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
-20115844
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 20115845 can be divided by 12 positive divisors.
The sum of these divisors (counting 20115845) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100101111000110000101
3
Ternary
1101211222202022
4
Quaternary
1030233012011
5
Quinary
20122201340
6
Senary
1555052525
8
Octal
114570605
10
Decimal
20115845
12
Duodecimal
68a1145
16
Hexadecimal
132f185
20
Vigesimal
65e9c5
36
Base36
bz5hh
md5
2708bf0729a3a9b1bc0670fa1aeb766a
sha1
8622216915ad99b52f4b633c0293caca6ffd195d
sha256
61d4a545c342185024e8bcc22a7731ba511cd67ea336a78ece80c26ff3d87ff6
sha512
07d0b426f787a8a4a5d9075b93104c6b367c01825c6e40ae4821ccf13d64eacf055b1cc69cf41c9b6a564bcd510b840b656828c5a07b1a0238d2105d9e98ee5e
ripemd-160
eb0b3323f5cc7ec4b2c3b7b92b497580a8ae47b8
Diameter
40231690
Circumference
126391581.7455
Area
1.2712367338487E+15
Volume
3.4096001461875E+22
Surface area
5.0849469353947E+15
Circumference
126391581.7455
Perimeter
80463380
Area
404647220064025
Diagonal
28448100.817595
Surface area
2427883320384150
Volume
8.1398207584888E+21
Space diagonal
34841665.57718
Perimeter
60347535
Area
1.752173860731E+14
Altitude
17420832.78859
Surface area
1.752173860731E+14
Volume
9.5928707599508E+20
Height
9482700.2725317