20180961 is an odd 8-digits composite number following 20180960
and preceding 20180962 . In scientific notation, it is written as 2.0180961 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 13402800 positive integers (up to 20180961) that are relatively prime to 20180961.
20180961 has 16 divisors, whose sum is 30011520
The reverse of 20180961 is 16908102
Previous prime number is 293
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million one hundred eighty thousand nine hundred sixty-one
Scientific notation
2.0180961 × 10^7
Engineering notation
2.0180961 × 10^6
Prime Factorization
9 × 3 × 293 × 2551
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20180961
Product of the distinct prime numbers
The prime factorization of 20180961 is 9 × 3 × 293 × 2551.
Since it has a total of 4 prime factors.
5 , 1 , 44 , 74 , 723 , 243 , 7273 , 7395 , 40030 , 81079 , 771214 , 150962 , 1283240 , 6599398 , 35788955 , 66121633 , 263749163 , 758617704 , 412171553 , 8202177839
n×2
40361922
n×3
60542883
n×4
80723844
n×5
100904805
n÷2
10090480.5
n÷3
6726987
n÷3
5045240.25
n÷5
4036192.2
n2
407271186883521
n3
8.21912393892E+21
n4
1.6586981966551E+29
n5
3.3474123617467E+36
2 √n
4492.3224505817
3 √n
272.25797774284
4 √n
67.024789821242
5 √n
28.906024645439
1 , 3 , 9 , 27 , 293 , 879 , 2551 , 2637 , 7653 , 7911 , 22959 , 68877 , 747443 , 2242329 , 6726987 , 20180961
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
-20180960
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 20180961 can be divided by 16 positive divisors.
The sum of these divisors (counting 20180961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111110111111100001
3
Ternary
1101222022002000
4
Quaternary
1030332333201
5
Quinary
20131242321
6
Senary
2000314213
8
Octal
114767741
10
Decimal
20180961
12
Duodecimal
6912969
16
Hexadecimal
133efe1
20
Vigesimal
662c81
36
Base36
c0jq9
md5
70efc23082a8c10c4992d4552981d82a
sha1
7253e985b08b657e3b1684b1e94f084993bfcf39
sha256
5a4071fbb7f9bcd9bbf67cbce0464e52101edec523351e60241acfc874b95966
sha512
9f2da016fc56388c8348fac1c5e88fb68897eaae8e1c46be47596eb5e8a39d4c88c801dbadc936040b43ac6a6c73bd4bd8e8e1895bf6d23b847f809557ff5d18
ripemd-160
c4a03588b581f136dc79d3a61716e514ba6f50c1
Diameter
40361922
Circumference
126800717.63996
Area
1.2794801687321E+15
Volume
3.4428185847274E+22
Surface area
5.1179206749283E+15
Circumference
126800717.63996
Perimeter
80723844
Area
407271186883521
Diagonal
28540188.747922
Surface area
2443627121301126
Volume
8.21912393892E+21
Space diagonal
34954449.797566
Perimeter
60542883
Area
1.7635359703528E+14
Altitude
17477224.898783
Surface area
1.7635359703528E+14
Volume
9.6863304543718E+20
Height
9513396.2493075