20421937 is an odd 8-digits prime number following 20421936
and preceding 20421938 . In scientific notation, it is written as 2.0421937 × 10^7.
The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors.
There are 20421936 positive integers (up to 20421937) that are relatively prime to 20421937.
20421937 has 2 divisors, whose sum is 20421938
The reverse of 20421937 is 73912402
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred twenty-one thousand nine hundred thirty-seven
Scientific notation
2.0421937 × 10^7
Engineering notation
2.0421937 × 10^6
Prime Factorization
20421937
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20421937
Product of the distinct prime numbers
The prime factorization of 20421937 is 20421937.
Since it has a total of 1 prime factors.
9 , 4 , 95 , 38 , 946 , 259 , 2319 , 7790 , 2144 , 13374 , 760046 , 512333 , 6313029 , 8939138 , 65755796 , 57195833 , 349405827 , 760256800 , 464600703 , 7909224512
n×2
40843874
n×3
61265811
n×4
81687748
n×5
102109685
n÷2
10210968.5
n÷3
6807312.3333333
n÷3
5105484.25
n÷5
4084387.4
n2
417055510831969
n3
8.5170813677133E+21
n4
1.7393529911531E+29
n5
3.5520957206091E+36
2 √n
4519.0637304645
3 √n
273.33734857609
4 √n
67.223981810545
5 √n
28.974729247596
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20421938
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10210969
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4519.0638411069
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999020661
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20421937 can be divided by 2 positive divisors.
The sum of these divisors (counting 20421937) is 20421938, the average is 10210969.
Base
System
Value
2
Binary
1001101111001110100110001
3
Ternary
1102102112122001
4
Quaternary
1031321310301
5
Quinary
20212000222
6
Senary
2005414001
8
Octal
115716461
10
Decimal
20421937
12
Duodecimal
6a0a301
16
Hexadecimal
1379d31
20
Vigesimal
67cegh
36
Base36
c5po1
md5
2ade9053d198f9ac6b1eef9a2065dddb
sha1
bc6d7689ee59bbc7fb55ffe22b4b984ab79110ad
sha256
4955333e7bbf0afc2c97c3661dc830999a717a128d84befe8dfb550c8a5b27bf
sha512
0fc6be24dfb801706b3ef47fe237df7e07eb3e4dfbf753cca576ece3c2ca47ada0927cc1153ac9983aef2a4c979853db25ff90dc5036e618bec5a88d99194c70
ripemd-160
0c9e1b9022bb2c9acd8abaf869a082771944f58f
Diameter
40843874
Circumference
128314814.50255
Area
1.3102185289689E+15
Volume
3.5676267006446E+22
Surface area
5.2408741158754E+15
Circumference
128314814.50255
Perimeter
81687748
Area
417055510831969
Diagonal
28880980.275329
Surface area
2502333064991814
Volume
8.5170813677133E+21
Space diagonal
35371832.472971
Perimeter
61265811
Area
1.8059033358439E+14
Altitude
17685916.236485
Surface area
1.8059033358439E+14
Volume
1.0037476651713E+21
Height
9626993.4251096