20160820 is an even 8-digits composite number following 20160819
and preceding 20160821 . In scientific notation, it is written as 2.0160820 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 8064320 positive integers (up to 20160820) that are relatively prime to 20160820.
20160820 has 12 divisors, whose sum is 42337764
The reverse of 20160820 is 02806102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million one hundred sixty thousand eight hundred twenty
Scientific notation
2.0160820 × 10^7
Engineering notation
2.0160820 × 10^6
Prime Factorization
2 × 2 × 5 × 1008041
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10080410
Product of the distinct prime numbers
The prime factorization of 20160820 is 2 × 2 × 5 × 1008041.
Since it has a total of 4 prime factors.
7 , 2 , 76 , 48 , 322 , 472 , 8911 , 4467 , 57838 , 90431 , 572178 , 652750 , 6639837 , 5145669 , 51799087 , 82002061 , 558358254 , 4021649 , 4993857160 , 8907849852
n×2
40321640
n×3
60482460
n×4
80643280
n×5
100804100
n÷2
10080410
n÷3
6720273.3333333
n÷3
5040205
n÷5
4032164
n2
406458663072400
n3
8.1945399436433E+21
n4
1.652086447866E+29
n5
3.3307417499866E+36
2 √n
4490.0801774579
3 √n
272.16737463806
4 √n
67.008060540937
5 √n
28.900252583355
1 , 2 , 4 , 5 , 10 , 20 , 1008041 , 2016082 , 4032164 , 5040205 , 10080410 , 20160820
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
-20160819
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 20160820 can be divided by 12 positive divisors.
The sum of these divisors (counting 20160820) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111010000100110100
3
Ternary
1101221021110001
4
Quaternary
1030322010310
5
Quinary
20130121240
6
Senary
2000041044
8
Octal
114720464
10
Decimal
20160820
12
Duodecimal
6903184
16
Hexadecimal
133a134
20
Vigesimal
660210
36
Base36
c046s
md5
14b907b5a968bd9d5eb0106852570c6e
sha1
f95c1425b4b8eaaa806f1efd2741603dcacc30c9
sha256
5449cf8bc92ccda7746a04c8ec42b5d7f9aa89461b73f148a4ae97e728e456e1
sha512
ed95c558bc5b3695232d6a754f69812082b01a9653aea0349c17ba17e3ef25e91108fbf2b53a87dadc8a59acc639e2a90f6b393cb5a3ac953d46d30e4502f137
ripemd-160
396750d27ba96c9670cf9e2439e1ad2f1a8fb3b0
Diameter
40321640
Circumference
126674168.00469
Area
1.2769275498962E+15
Volume
3.4325208648664E+22
Surface area
5.1077101995847E+15
Circumference
126674168.00469
Perimeter
80643280
Area
406458663072400
Diagonal
28511705.072563
Surface area
2438751978434400
Volume
8.1945399436433E+21
Space diagonal
34919564.562251
Perimeter
60482460
Area
1.7600176390448E+14
Altitude
17459782.281125
Surface area
1.7600176390448E+14
Volume
9.6573579380903E+20
Height
9503901.6908542