20403831 is an odd 8-digits composite number following 20403830
and preceding 20403832 . In scientific notation, it is written as 2.0403831 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 11604384 positive integers (up to 20403831) that are relatively prime to 20403831.
20403831 has 16 divisors, whose sum is 31238144
The reverse of 20403831 is 13830402
Previous prime number is 223
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million four hundred three thousand eight hundred thirty-one
Scientific notation
2.0403831 × 10^7
Engineering notation
2.0403831 × 10^6
Prime Factorization
3 × 7 × 223 × 4357
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20403831
Product of the distinct prime numbers
The prime factorization of 20403831 is 3 × 7 × 223 × 4357.
Since it has a total of 4 prime factors.
7 , 8 , 76 , 10 , 166 , 316 , 1193 , 667 , 38660 , 92369 , 450427 , 236774 , 8169593 , 8266199 , 87995375 , 77282963 , 182989109 , 540589866 , 4697018945 , 2440359774
n×2
40807662
n×3
61211493
n×4
81615324
n×5
102019155
n÷2
10201915.5
n÷3
6801277
n÷3
5100957.75
n÷5
4080766.2
n2
416316319476561
n3
8.4944478251418E+21
n4
1.7331927786251E+29
n5
3.5363772545487E+36
2 √n
4517.0599951739
3 √n
273.25654479215
4 √n
67.209076732045
5 √n
28.969589650937
1 , 3 , 7 , 21 , 223 , 669 , 1561 , 4357 , 4683 , 13071 , 30499 , 91497 , 971611 , 2914833 , 6801277 , 20403831
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
-20403830
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 20403831 can be divided by 16 positive divisors.
The sum of these divisors (counting 20403831) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101011001110111
3
Ternary
1102101121210110
4
Quaternary
1031311121313
5
Quinary
20210410311
6
Senary
2005154103
8
Octal
115653167
10
Decimal
20403831
12
Duodecimal
69bb933
16
Hexadecimal
1375677
20
Vigesimal
67a9bb
36
Base36
c5bp3
md5
f1f992aedbbce7c08b756b318fdad2bb
sha1
3764de6867e35ee024b65e89dcda2d55a4797db8
sha256
9a3ec3270668caace6fe0977e72cdb1618ba884faf25be6c6e577ae1c6e8d657
sha512
308b2762dab099d84a9a2c0424be16995d6e6b3bbd2339c4efaa6c96d16a6022a44a6eb3928b6040e7d6e9f6310769cf1c9849057f3d8ff75a3a9dd8157e361e
ripemd-160
fe7b00cef1a7dbb76f967bcb0a20956de4b2b2c3
Diameter
40807662
Circumference
128201051.14938
Area
1.3078962908371E+15
Volume
3.5581459845023E+22
Surface area
5.2315851633484E+15
Circumference
128201051.14938
Perimeter
81615324
Area
416316319476561
Diagonal
28855374.524569
Surface area
2497897916859366
Volume
8.4944478251418E+21
Space diagonal
35340471.961049
Perimeter
61211493
Area
1.8027025433837E+14
Altitude
17670235.980524
Surface area
1.8027025433837E+14
Volume
1.0010802765988E+21
Height
9618458.1748562