20409931 is an odd 8-digits composite number following 20409930
and preceding 20409932 . In scientific notation, it is written as 2.0409931 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 20254000 positive integers (up to 20409931) that are relatively prime to 20409931.
20409931 has 4 divisors, whose sum is 20565864
The reverse of 20409931 is 13990402
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred nine thousand nine hundred thirty-one
Scientific notation
2.0409931 × 10^7
Engineering notation
2.0409931 × 10^6
Prime Factorization
131 × 155801
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20409931
Product of the distinct prime numbers
The prime factorization of 20409931 is 131 × 155801.
Since it has a total of 2 prime factors.
5 , 7 , 19 , 97 , 929 , 685 , 1208 , 6327 , 50475 , 44139 , 686800 , 638213 , 165272 , 9831745 , 14918366 , 41749377 , 246333667 , 245692523 , 5645037758 , 9321905559
n×2
40819862
n×3
61229793
n×4
81639724
n×5
102049655
n÷2
10204965.5
n÷3
6803310.3333333
n÷3
5102482.75
n÷5
4081986.2
n2
416565283424761
n3
8.5020686916948E+21
n4
1.7352663535475E+29
n5
3.5416666542526E+36
2 √n
4517.7351626672
3 √n
273.28377331997
4 √n
67.21409943358
5 √n
28.971321613608
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20409930
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20409931 can be divided by 4 positive divisors.
The sum of these divisors (counting 20409931) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101110110111001001011
3
Ternary
1102101221011101
4
Quaternary
1031312321023
5
Quinary
20211104211
6
Senary
2005242231
8
Octal
115667113
10
Decimal
20409931
12
Duodecimal
6a03377
16
Hexadecimal
1376e4b
20
Vigesimal
67b4gb
36
Base36
c5gej
md5
a71962e6206b2c1c9c27fdee51ee682e
sha1
6eecf1b024c4ea9f6a9e914b48ce8a44db73241e
sha256
c9de4f50a749065556549ab976f292c2047c5ebcc8b32dffe97ca7e9e6229fc3
sha512
78d815037e41a12e58dff723fd2693902ba59a3fad038f6b552f7fb56f855ee0707be26538d2df1874e4b19671082cfe8b611387ebea1f972cd6657d18d2d137
ripemd-160
65e6376fa30c9ad34322a8a42d9c5fea95217b31
Diameter
40819862
Circumference
128239378.57975
Area
1.3086784341478E+15
Volume
3.5613382056192E+22
Surface area
5.2347137365911E+15
Circumference
128239378.57975
Perimeter
81639724
Area
416565283424761
Diagonal
28864001.227299
Surface area
2499391700548566
Volume
8.5020686916948E+21
Space diagonal
35351037.470975
Perimeter
61229793
Area
1.8037805889025E+14
Altitude
17675518.735488
Surface area
1.8037805889025E+14
Volume
1.0019784043352E+21
Height
9621333.742433