20621838 is an even 8-digits composite number following 20621837
and preceding 20621839 . In scientific notation, it is written as 2.0621838 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6860160 positive integers (up to 20621838) that are relatively prime to 20621838.
20621838 has 16 divisors, whose sum is 41326416
The reverse of 20621838 is 83812602
Previous prime number is 541
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million six hundred twenty-one thousand eight hundred thirty-eight
Scientific notation
2.0621838 × 10^7
Engineering notation
2.0621838 × 10^6
Prime Factorization
2 × 3 × 541 × 6353
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20621838
Product of the distinct prime numbers
The prime factorization of 20621838 is 2 × 3 × 541 × 6353.
Since it has a total of 4 prime factors.
10 , 2 , 84 , 20 , 38 , 613 , 4054 , 9620 , 93680 , 66864 , 218751 , 249351 , 3555448 , 7644168 , 67667049 , 43860628 , 60016343 , 377411023 , 5302897897 , 1797914462
n×2
41243676
n×3
61865514
n×4
82487352
n×5
103109190
n÷2
10310919
n÷3
6873946
n÷3
5155459.5
n÷5
4124367.6
n2
425260202498244
n3
8.769647003766E+21
n4
1.8084623982885E+29
n5
3.7293818606596E+36
2 √n
4541.12739306
3 √n
274.22631239361
4 √n
67.387887584194
5 √n
29.031232518957
1 , 2 , 3 , 6 , 541 , 1082 , 1623 , 3246 , 6353 , 12706 , 19059 , 38118 , 3436973 , 6873946 , 10310919 , 20621838
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
-20621837
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 20621838 can be divided by 16 positive divisors.
The sum of these divisors (counting 20621838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110101010101000001110
3
Ternary
1102210200211210
4
Quaternary
1032222220032
5
Quinary
20234344323
6
Senary
2013555250
8
Octal
116525016
10
Decimal
20621838
12
Duodecimal
6aa5b26
16
Hexadecimal
13aaa0e
20
Vigesimal
68hebi
36
Base36
c9zwu
md5
fab97ac2197a15dbdcc3c60a87b7076b
sha1
a0b41f64a5d07f832f7366b1a1297466537410aa
sha256
d4ef8b14cf8b03cdb1630d314dc4a2b7d74514baebb0b2e21c47228d640d20e0
sha512
db696811f1079f9353a402b2f1bf8ebace92a6b203683061bedbeaa9921228bc6f5bd1d9a6050dc81205b78722fa4c8de20c2e78a3c156317ddcf8d6d587d6c7
ripemd-160
11a8c1d0edf61686f6221a498283d82914587275
Diameter
41243676
Circumference
129570829.52864
Area
1.3359943280326E+15
Volume
3.6734211468809E+22
Surface area
5.3439773121304E+15
Circumference
129570829.52864
Perimeter
82487352
Area
425260202498244
Diagonal
29163682.980661
Surface area
2551561214989464
Volume
8.769647003766E+21
Space diagonal
35718071.161455
Perimeter
61865514
Area
1.84143069291E+14
Altitude
17859035.580727
Surface area
1.84143069291E+14
Volume
1.0335128108292E+21
Height
9721227.6602203