20214921 is an odd 8-digits composite number following 20214920
and preceding 20214922 . In scientific notation, it is written as 2.0214921 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 12643584 positive integers (up to 20214921) that are relatively prime to 20214921.
20214921 has 8 divisors, whose sum is 20676864
The reverse of 20214921 is 12941202
Previous prime number is 653
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million two hundred fourteen thousand nine hundred twenty-one
Scientific notation
2.0214921 × 10^7
Engineering notation
2.0214921 × 10^6
Prime Factorization
51 × 653 × 607
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20214921
Product of the distinct prime numbers
The prime factorization of 20214921 is 51 × 653 × 607.
Since it has a total of 3 prime factors.
6 , 6 , 31 , 19 , 150 , 756 , 2114 , 1932 , 53451 , 13170 , 464846 , 491581 , 3803745 , 2157375 , 98020979 , 44141303 , 527432831 , 816121940 , 5069731668 , 9871612931
n×2
40429842
n×3
60644763
n×4
80859684
n×5
101074605
n÷2
10107460.5
n÷3
6738307
n÷3
5053730.25
n÷5
4042984.2
n2
408643031036241
n3
8.2606865895982E+21
n4
1.6698912681449E+29
n5
3.3756720064138E+36
2 √n
4496.1006438913
3 √n
272.41060839183
4 √n
67.052968941661
5 √n
28.915746566077
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
-20214920
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 20214921 can be divided by 8 positive divisors.
The sum of these divisors (counting 20214921) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000111010010001001
3
Ternary
1102001000122210
4
Quaternary
1031013102021
5
Quinary
20133334141
6
Senary
2001135333
8
Octal
115072211
10
Decimal
20214921
12
Duodecimal
692a549
16
Hexadecimal
1347489
20
Vigesimal
666h61
36
Base36
c19xl
md5
1fa1ddc00eb4e601e6d784c7b0693e2f
sha1
eb712574448daa1645c72735632c27142cd51bac
sha256
02a6f3c227c0d7619b0f91f18597dc589e3ab603aacb5a9d02df25e21fef596c
sha512
eafbceb2917b162629ae2b85ae99aaf4fd4dc6afe7525934014b646cc61e51caf42e6aec124ee538f10ee76e276b10d0ebe7af53027b9fa0df56666013ac9c4e
ripemd-160
83a3fc5ca705c63d7c755c1dc80eb8858ac3eec2
Diameter
40429842
Circumference
127014094.613
Area
1.2837899442441E+15
Volume
3.4602283071319E+22
Surface area
5.1351597769765E+15
Circumference
127014094.613
Perimeter
80859684
Area
408643031036241
Diagonal
28588215.440501
Surface area
2451858186217446
Volume
8.2606865895982E+21
Space diagonal
35013270.242991
Perimeter
60644763
Area
1.7694762297843E+14
Altitude
17506635.121496
Surface area
1.7694762297843E+14
Volume
9.7353125079361E+20
Height
9529405.1468336