20421910 is an even 8-digits composite number following 20421909
and preceding 20421911 . In scientific notation, it is written as 2.0421910 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 8149408 positive integers (up to 20421910) that are relatively prime to 20421910.
20421910 has 16 divisors, whose sum is 36846576
The reverse of 20421910 is 01912402
Previous prime number is 467
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million four hundred twenty-one thousand nine hundred ten
Scientific notation
2.0421910 × 10^7
Engineering notation
2.0421910 × 10^6
Prime Factorization
2 × 5 × 467 × 4373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20421910
Product of the distinct prime numbers
The prime factorization of 20421910 is 2 × 5 × 467 × 4373.
Since it has a total of 4 prime factors.
8 , 9 , 18 , 52 , 632 , 920 , 531 , 2316 , 60942 , 65998 , 76311 , 157876 , 3580189 , 3514104 , 66919193 , 57181468 , 479353091 , 450950367 , 7173665693 , 8164426217
n×2
40843820
n×3
61265730
n×4
81687640
n×5
102109550
n÷2
10210955
n÷3
6807303.3333333
n÷3
5105477.5
n÷5
4084382
n2
417054408048100
n3
8.5170475862616E+21
n4
1.7393437927235E+29
n5
3.5520722394058E+36
2 √n
4519.0607431191
3 √n
273.33722811556
4 √n
67.223959591198
5 √n
28.974721586049
1 , 2 , 5 , 10 , 467 , 934 , 2335 , 4373 , 4670 , 8746 , 21865 , 43730 , 2042191 , 4084382 , 10210955 , 20421910
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20421909
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20421910 can be divided by 16 positive divisors.
The sum of these divisors (counting 20421910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101111001110100010110
3
Ternary
1102102112121001
4
Quaternary
1031321310112
5
Quinary
20212000120
6
Senary
2005413514
8
Octal
115716426
10
Decimal
20421910
12
Duodecimal
6a0a29a
16
Hexadecimal
1379d16
20
Vigesimal
67cefa
36
Base36
c5pna
md5
deb49f376ce52f0eea1ff0b8025bd21d
sha1
754473554f45255afd456da4c3988a03378cebb1
sha256
a6ba175ca2707be16b1abb47a2353f11291f1e4f657bfdad9dd440e200622126
sha512
638150946196d4d93d4efdee80352940b9645260de1ddb7ebd38a7a6e68c55a4f102681c56777bb182bfacdb7644c4883a889259f96197b39501a48769f3096d
ripemd-160
dd311af21e55f9a9283d167ab7bb9e1e56ea8887
Diameter
40843820
Circumference
128314644.85654
Area
1.3102150644712E+15
Volume
3.5676125503032E+22
Surface area
5.2408602578846E+15
Circumference
128314644.85654
Perimeter
81687640
Area
417054408048100
Diagonal
28880942.091563
Surface area
2502326448288600
Volume
8.5170475862616E+21
Space diagonal
35371785.707599
Perimeter
61265730
Area
1.8058985606497E+14
Altitude
17685892.853799
Surface area
1.8058985606497E+14
Volume
1.003743683989E+21
Height
9626980.6971876