20160731 is an odd 8-digits composite number following 20160730
and preceding 20160732 . In scientific notation, it is written as 2.0160731 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 20140464 positive integers (up to 20160731) that are relatively prime to 20160731.
20160731 has 4 divisors, whose sum is 20181000
The reverse of 20160731 is 13706102
Previous prime number is 1049
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred sixty thousand seven hundred thirty-one
Scientific notation
2.0160731 × 10^7
Engineering notation
2.0160731 × 10^6
Prime Factorization
1049 × 19219
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20160731
Product of the distinct prime numbers
The prime factorization of 20160731 is 1049 × 19219.
Since it has a total of 2 prime factors.
6 , 1 , 56 , 62 , 994 , 801 , 1102 , 1859 , 8806 , 34127 , 531477 , 45677 , 8600002 , 4006839 , 60974936 , 79970100 , 452505956 , 198553971 , 7318740280 , 7431966392
n×2
40321462
n×3
60482193
n×4
80642924
n×5
100803655
n÷2
10080365.5
n÷3
6720243.6666667
n÷3
5040182.75
n÷5
4032146.2
n2
406455074454361
n3
8.1944314196593E+21
n4
1.652057275497E+29
n5
3.3306682327888E+36
2 √n
4490.0702667108
3 √n
272.16697414291
4 √n
67.007986588994
5 √n
28.90022706726
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
-20160730
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 20160731 can be divided by 4 positive divisors.
The sum of these divisors (counting 20160731) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111010000011011011
3
Ternary
1101221021022202
4
Quaternary
1030322003123
5
Quinary
20130120411
6
Senary
2000040415
8
Octal
114720333
10
Decimal
20160731
12
Duodecimal
690310b
16
Hexadecimal
133a0db
20
Vigesimal
6601gb
36
Base36
c044b
md5
1a864b3213503c47fb7267d2ae99951f
sha1
1cd589ddcd73e4976fb74115d10b87a052c12c59
sha256
5777ecd7355db772889d939d58cb135b8dbd16d4166b17874701dc4cf0598315
sha512
e0f458b7ad0b012e1c83f5060fbf2ee88e732764825e1b18def56de8a515168c9c2c43ce07552a769de25e70e1bdd977f1ddae5f7a27789f4fc049ec52de47a7
ripemd-160
17d22b56e2bf6e8c88086a81e3f66d2ec3bce321
Diameter
40321462
Circumference
126673608.8012
Area
1.2769162759201E+15
Volume
3.4324754064463E+22
Surface area
5.1076651036805E+15
Circumference
126673608.8012
Perimeter
80642924
Area
406455074454361
Diagonal
28511579.207556
Surface area
2438730446726166
Volume
8.1944314196593E+21
Space diagonal
34919410.409729
Perimeter
60482193
Area
1.7600020998729E+14
Altitude
17459705.204864
Surface area
1.7600020998729E+14
Volume
9.6572300413487E+20
Height
9503859.7358519