20210691 is an odd 8-digits composite number following 20210690
and preceding 20210692 . In scientific notation, it is written as 2.0210691 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 13473792 positive integers (up to 20210691) that are relatively prime to 20210691.
20210691 has 4 divisors, whose sum is 26947592
The reverse of 20210691 is 19601202
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million two hundred ten thousand six hundred ninety-one
Scientific notation
2.0210691 × 10^7
Engineering notation
2.0210691 × 10^6
Prime Factorization
3 × 6736897
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20210691
Product of the distinct prime numbers
The prime factorization of 20210691 is 3 × 6736897.
Since it has a total of 2 prime factors.
6 , 4 , 20 , 56 , 964 , 997 , 2511 , 9881 , 87354 , 14052 , 341789 , 766553 , 7150641 , 9015159 , 71823432 , 40016068 , 116474671 , 469819606 , 8780800127 , 1357908119
n×2
40421382
n×3
60632073
n×4
80842764
n×5
101053455
n÷2
10105345.5
n÷3
6736897
n÷3
5052672.75
n÷5
4042138.2
n2
408472030697481
n3
8.2555019945693E+21
n4
1.6684939986212E+29
n5
3.3721416641488E+36
2 √n
4495.6302116611
3 √n
272.39160630164
4 √n
67.049460934903
5 √n
28.914536332834
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
-20210690
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 20210691 can be divided by 4 positive divisors.
The sum of these divisors (counting 20210691) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000110010000000011
3
Ternary
1102000210212010
4
Quaternary
1031012100003
5
Quinary
20133220231
6
Senary
2001104003
8
Octal
115062003
10
Decimal
20210691
12
Duodecimal
6928003
16
Hexadecimal
1346403
20
Vigesimal
6666eb
36
Base36
c16o3
md5
7fe9604093493cdb58fed5b9f6755928
sha1
22c8bff2b6bc2478e2855bd359d12e802f6d2b42
sha256
27233b7fc753cd4a948c4e1109943a3903f5fc70c321881bf90fadf4aebd5d20
sha512
1abf4c30165511bde6875a30bc733eaeb55521fa06959ba1236933b8b85f99bc85e3bbeba3187e06a302dfdf7194902a683a1be0d9608c0a13eba544c463349a
ripemd-160
c751ba2d1629633d1ec158df672c3970d3ca7580
Diameter
40421382
Circumference
126987516.73915
Area
1.2832527308361E+15
Volume
3.4580565890446E+22
Surface area
5.1330109233444E+15
Circumference
126987516.73915
Perimeter
80842764
Area
408472030697481
Diagonal
28582233.317132
Surface area
2450832184184886
Volume
8.2555019945693E+21
Space diagonal
35005943.668075
Perimeter
60632073
Area
1.7687357765972E+14
Altitude
17502971.834038
Surface area
1.7687357765972E+14
Volume
9.7292024040984E+20
Height
9527411.1057106