20538691 is an odd 8-digits prime number following 20538690
and preceding 20538692 . In scientific notation, it is written as 2.0538691 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 20538690 positive integers (up to 20538691) that are relatively prime to 20538691.
20538691 has 2 divisors, whose sum is 20538692
The reverse of 20538691 is 19683502
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million five hundred thirty-eight thousand six hundred ninety-one
Scientific notation
2.0538691 × 10^7
Engineering notation
2.0538691 × 10^6
Prime Factorization
20538691
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20538691
Product of the distinct prime numbers
The prime factorization of 20538691 is 20538691.
Since it has a total of 1 prime factors.
2 , 9 , 12 , 69 , 523 , 760 , 8497 , 7777 , 89397 , 62087 , 376947 , 865096 , 5696141 , 6713849 , 76455610 , 23290763 , 741747668 , 195925066 , 974810951 , 587770671
n×2
41077382
n×3
61616073
n×4
82154764
n×5
102693455
n÷2
10269345.5
n÷3
6846230.3333333
n÷3
5134672.75
n÷5
4107738.2
n2
421837827993481
n3
8.6639968012693E+21
n4
1.7794715312626E+29
n5
3.6548015923899E+36
2 √n
4531.9632611044
3 √n
273.8572568871
4 √n
67.31985785119
5 √n
29.007783955386
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20538692
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10269346
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4531.9633714319
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999026228
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20538691 can be divided by 2 positive divisors.
The sum of these divisors (counting 20538691) is 20538692, the average is 10269346.
Base
System
Value
2
Binary
1001110010110010101000011
3
Ternary
1102122110210021
4
Quaternary
1032112111003
5
Quinary
20224214231
6
Senary
2012114311
8
Octal
116262503
10
Decimal
20538691
12
Duodecimal
6a65997
16
Hexadecimal
1396543
20
Vigesimal
6876eb
36
Base36
c87r7
md5
efb2aee4499333d29593bb5288fb3cdf
sha1
ed0c8ab9973f4af0b7f82b29ce26d64096d652e3
sha256
a6aa6523a369c1276c44c2c0bd5f5bbf69cdbffc54179378cfc874dc529891ac
sha512
dbd999f2f7384e7e0be953831195039bd8652b3257c29c2370e887e9dd48533c5bd71a2f5cd755dae504bb22197ae957000d6e576c759abfe0606860acaf66db
ripemd-160
5cb5ff638162dc2be0591fef4ff6689f788eec0e
Diameter
41077382
Circumference
129048401.5199
Area
1.3252426214306E+15
Volume
3.6291664935457E+22
Surface area
5.3009704857224E+15
Circumference
129048401.5199
Perimeter
82154764
Area
421837827993481
Diagonal
29046095.36559
Surface area
2531026967960886
Volume
8.6639968012693E+21
Space diagonal
35574056.332958
Perimeter
61616073
Area
1.826611376598E+14
Altitude
17787028.166479
Surface area
1.826611376598E+14
Volume
1.0210618150593E+21
Height
9682031.7885301