20409961 is an odd 8-digits composite number following 20409960
and preceding 20409962 . In scientific notation, it is written as 2.0409961 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 17125680 positive integers (up to 20409961) that are relatively prime to 20409961.
20409961 has 12 divisors, whose sum is 24112080
The reverse of 20409961 is 16990402
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million four hundred nine thousand nine hundred sixty-one
Scientific notation
2.0409961 × 10^7
Engineering notation
2.0409961 × 10^6
Prime Factorization
11 × 13 × 13 × 10979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1569997
Product of the distinct prime numbers
The prime factorization of 20409961 is 11 × 13 × 13 × 10979.
Since it has a total of 4 prime factors.
1 , 6 , 82 , 22 , 544 , 765 , 5676 , 1871 , 96723 , 68542 , 981423 , 949156 , 6908123 , 4880801 , 21329487 , 86116569 , 313129097 , 874961994 , 6890958539 , 7692850192
n×2
40819922
n×3
61229883
n×4
81639844
n×5
102049805
n÷2
10204980.5
n÷3
6803320.3333333
n÷3
5102490.25
n÷5
4081992.2
n2
416566508021521
n3
8.5021061826254E+21
n4
1.7352765560524E+29
n5
3.5416926833245E+36
2 √n
4517.7384829138
3 √n
273.28390721736
4 √n
67.214124132609
5 √n
28.971330130434
1 , 11 , 13 , 143 , 169 , 1859 , 10979 , 120769 , 142727 , 1569997 , 1855451 , 20409961
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
-20409960
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 20409961 can be divided by 12 positive divisors.
The sum of these divisors (counting 20409961) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110110111001101001
3
Ternary
1102101221012111
4
Quaternary
1031312321221
5
Quinary
20211104321
6
Senary
2005242321
8
Octal
115667151
10
Decimal
20409961
12
Duodecimal
6a033a1
16
Hexadecimal
1376e69
20
Vigesimal
67b4i1
36
Base36
c5gfd
md5
5fec1ce4964f14f5cec962c782d59ee9
sha1
5adfce63ebb482f3a809bcfdc9a96e04ebcaf533
sha256
14568d9f88feff2e76699314314eb07ab9c39a59d1e70fb612d9b06fd8906404
sha512
d452535d53b5928bb35acf54c4cceb765da5f363c79e8f95884619cbf2117c6b16b97cf6261e5cee6d91a0071eaba56f17988b682252515ca3e54b6fc4514565
ripemd-160
dd588d956dad075434a43658173da92e97abb8b6
Diameter
40819922
Circumference
128239567.07531
Area
1.308682281332E+15
Volume
3.5613539097835E+22
Surface area
5.2347291253279E+15
Circumference
128239567.07531
Perimeter
81639844
Area
416566508021521
Diagonal
28864043.653706
Surface area
2499399048129126
Volume
8.5021061826254E+21
Space diagonal
35351089.432499
Perimeter
61229883
Area
1.8037858915621E+14
Altitude
17675544.71625
Surface area
1.8037858915621E+14
Volume
1.0019828226838E+21
Height
9621347.8845686