20160813 is an odd 8-digits composite number following 20160812
and preceding 20160814 . In scientific notation, it is written as 2.0160813 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13440540 positive integers (up to 20160813) that are relatively prime to 20160813.
20160813 has 4 divisors, whose sum is 26881088
The reverse of 20160813 is 31806102
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred sixty thousand eight hundred thirteen
Scientific notation
2.0160813 × 10^7
Engineering notation
2.0160813 × 10^6
Prime Factorization
3 × 6720271
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20160813
Product of the distinct prime numbers
The prime factorization of 20160813 is 3 × 6720271.
Since it has a total of 2 prime factors.
9 , 9 , 29 , 40 , 630 , 495 , 2181 , 1121 , 72611 , 15176 , 592924 , 760411 , 3435028 , 3210595 , 97323633 , 2838790 , 161044050 , 379903635 , 7801607040 , 1778570480
n×2
40321626
n×3
60482439
n×4
80643252
n×5
100804065
n÷2
10080406.5
n÷3
6720271
n÷3
5040203.25
n÷5
4032162.6
n2
406458380820969
n3
8.1945314080143E+21
n4
1.652084153396E+29
n5
3.3307359676881E+36
2 √n
4490.0793979617
3 √n
272.16734313849
4 √n
67.008054724501
5 √n
28.900250576475
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
-20160812
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 20160813 can be divided by 4 positive divisors.
The sum of these divisors (counting 20160813) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111010000100101101
3
Ternary
1101221021102210
4
Quaternary
1030322010231
5
Quinary
20130121223
6
Senary
2000041033
8
Octal
114720455
10
Decimal
20160813
12
Duodecimal
6903179
16
Hexadecimal
133a12d
20
Vigesimal
66020d
36
Base36
c046l
md5
da63f54c9a5b9a79587e5bcc583fb56b
sha1
7c442486b9f75cbf0b002e856ab4d1d757a1cfa3
sha256
05a8d81a82fc087058a257f18afd1840d9a78535b99e1ca160415cab3cd06135
sha512
a17ee2d36113f4530fd38317b38a787be1683531b162a19e65ce9f56fcfd885ac7bae9e5e030568fb552e4c1089abe31a2c0c20effee4c65fafa586a0fb0650b
ripemd-160
ddc2c25a8722ee638ea27cc15d4e60f96935b694
Diameter
40321626
Circumference
126674124.0224
Area
1.2769266631772E+15
Volume
3.4325172894705E+22
Surface area
5.1077066527086E+15
Circumference
126674124.0224
Perimeter
80643252
Area
406458380820969
Diagonal
28511695.173068
Surface area
2438750284925814
Volume
8.1945314080143E+21
Space diagonal
34919552.437895
Perimeter
60482439
Area
1.7600164168602E+14
Altitude
17459776.218948
Surface area
1.7600164168602E+14
Volume
9.6573478787551E+20
Height
9503898.3910226