20161297 is an odd 8-digits composite number following 20161296
and preceding 20161298 . In scientific notation, it is written as 2.0161297 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 18577920 positive integers (up to 20161297) that are relatively prime to 20161297.
20161297 has 8 divisors, whose sum is 21750120
The reverse of 20161297 is 79216102
Previous prime number is 821
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one hundred sixty-one thousand two hundred ninety-seven
Scientific notation
2.0161297 × 10^7
Engineering notation
2.0161297 × 10^6
Prime Factorization
13 × 821 × 1889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20161297
Product of the distinct prime numbers
The prime factorization of 20161297 is 13 × 821 × 1889.
Since it has a total of 3 prime factors.
2 , 3 , 21 , 15 , 994 , 513 , 6196 , 1249 , 19733 , 55959 , 69002 , 33751 , 9125532 , 386624 , 15537647 , 24040844 , 71785111 , 296453786 , 4510305679 , 5829153529
n×2
40322594
n×3
60483891
n×4
80645188
n×5
100806485
n÷2
10080648.5
n÷3
6720432.3333333
n÷3
5040324.25
n÷5
4032259.4
n2
406477896722209
n3
8.1951215997518E+21
n4
1.6522428052371E+29
n5
3.3311357912498E+36
2 √n
4490.1332942353
3 √n
272.16952109199
4 √n
67.008456885943
5 √n
28.900389336623
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20161296
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20161297 can be divided by 8 positive divisors.
The sum of these divisors (counting 20161297) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111010001100010001
3
Ternary
1101221022002201
4
Quaternary
1030322030101
5
Quinary
20130130142
6
Senary
2000043201
8
Octal
114721421
10
Decimal
20161297
12
Duodecimal
6903501
16
Hexadecimal
133a311
20
Vigesimal
66034h
36
Base36
c04k1
md5
54349c8dc9e4bf9aba344a3141e94cb7
sha1
f57376e4580f8047a91dc2c0e1dc6c97c35e4f6d
sha256
e41b80d710ce1de7d549c8b8e13b9db8e915d6d94cf096c9f5a52e359af762af
sha512
1419f41a078c4a5bedea92f3470a18130d605f9094c251c71187a75a1a18a105c97cf40134b9c404c4e74ecd9b56727af2bdb86ea519c1f60d8773fbdbeb87de
ripemd-160
6351c61bd0c0397ed4e91e15401c0f87de60e4c8
Diameter
40322594
Circumference
126677165.08408
Area
1.2769879741891E+15
Volume
3.4327645084074E+22
Surface area
5.1079518967565E+15
Circumference
126677165.08408
Perimeter
80645188
Area
406477896722209
Diagonal
28512379.652432
Surface area
2438867380333254
Volume
8.1951215997518E+21
Space diagonal
34920390.750486
Perimeter
60483891
Area
1.7601009231915E+14
Altitude
17460195.375243
Surface area
1.7601009231915E+14
Volume
9.6580434263881E+20
Height
9504126.5508107