20161021 is an odd 8-digits prime number following 20161020
and preceding 20161022 . In scientific notation, it is written as 2.0161021 × 10^7.
The sum of its digits is 13. It has a total of 1 prime factors and 2 positive divisors.
There are 20161020 positive integers (up to 20161021) that are relatively prime to 20161021.
20161021 has 2 divisors, whose sum is 20161022
The reverse of 20161021 is 12016102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty million one hundred sixty-one thousand twenty-one
Scientific notation
2.0161021 × 10^7
Engineering notation
2.0161021 × 10^6
Prime Factorization
20161021
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20161021
Product of the distinct prime numbers
The prime factorization of 20161021 is 20161021.
Since it has a total of 1 prime factors.
5 , 7 , 39 , 70 , 855 , 41 , 6766 , 4469 , 84538 , 50317 , 943140 , 21005 , 1438949 , 8040164 , 45150552 , 97958893 , 637591749 , 909342458 , 351069978 , 2027596638
n×2
40322042
n×3
60483063
n×4
80644084
n×5
100805105
n÷2
10080510.5
n÷3
6720340.3333333
n÷3
5040255.25
n÷5
4032204.2
n2
406466767762441
n3
8.1947850406607E+21
n4
1.6521523329525E+29
n5
3.3309077879854E+36
2 √n
4490.1025600759
3 √n
272.16827912278
4 √n
67.008227555099
5 √n
28.900310209262
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20161022
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10080511
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4490.1026714319
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999007987
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20161021 can be divided by 2 positive divisors.
The sum of these divisors (counting 20161021) is 20161022, the average is 10080511.
Base
System
Value
2
Binary
1001100111010000111111101
3
Ternary
1101221021201111
4
Quaternary
1030322013331
5
Quinary
20130123041
6
Senary
2000042021
8
Octal
114720775
10
Decimal
20161021
12
Duodecimal
6903311
16
Hexadecimal
133a1fd
20
Vigesimal
6602b1
36
Base36
c04cd
md5
8b52fdbe33091bb32e07feb116260719
sha1
8cb3002abcc525d5aa6f9c1fe08c87f5d1fb5e07
sha256
04ba88607eb45ac1d9d7b3cf59a78503f5f327d5c060cf090a402b6be7e1372b
sha512
2a6b754430f05b1f1dff9f996efb8379acad7bea373caa2c3a500f04a51b238ccc856f8b46cd3645395db2a2bc63291b0daa1c9f950ea85249d090ff816b6793
ripemd-160
a9a3d90191be3f604c270362dade2dd1b92bb2c2
Diameter
40322042
Circumference
126675430.92494
Area
1.2769530115309E+15
Volume
3.432623530865E+22
Surface area
5.1078120461235E+15
Circumference
126675430.92494
Perimeter
80644084
Area
406466767762441
Diagonal
28511989.329489
Surface area
2438800606574646
Volume
8.1947850406607E+21
Space diagonal
34919912.704463
Perimeter
60483063
Area
1.7600527333821E+14
Altitude
17459956.352232
Surface area
1.7600527333821E+14
Volume
9.6576467876954E+20
Height
9503996.4431629