20126421 is an odd 8-digits composite number following 20126420
and preceding 20126422 . In scientific notation, it is written as 2.0126421 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 11353392 positive integers (up to 20126421) that are relatively prime to 20126421.
20126421 has 16 divisors, whose sum is 27611136
The reverse of 20126421 is 12462102
Previous prime number is 83
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty-six thousand four hundred twenty-one
Scientific notation
2.0126421 × 10^7
Engineering notation
2.0126421 × 10^6
Prime Factorization
3 × 63 × 83 × 1283
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20126421
Product of the distinct prime numbers
The prime factorization of 20126421 is 3 × 63 × 83 × 1283.
Since it has a total of 4 prime factors.
4 , 3 , 51 , 36 , 845 , 574 , 1466 , 8800 , 92067 , 12935 , 315613 , 717687 , 8282261 , 1878668 , 48247999 , 47391693 , 434660234 , 698213787 , 6593380343 , 5787045984
n×2
40252842
n×3
60379263
n×4
80505684
n×5
100632105
n÷2
10063210.5
n÷3
6708807
n÷3
5031605.25
n÷5
4025284.2
n2
405072822269241
n3
8.1526661566489E+21
n4
1.6408399134117E+29
n5
3.3024234890927E+36
2 √n
4486.247986904
3 √n
272.0124931185
4 √n
66.979459440219
5 √n
28.890383748888
1 , 3 , 63 , 83 , 189 , 249 , 1283 , 3849 , 5229 , 15687 , 80829 , 106489 , 242487 , 319467 , 6708807 , 20126421
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
-20126420
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 20126421 can be divided by 16 positive divisors.
The sum of these divisors (counting 20126421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001101011010101
3
Ternary
1101212112021000
4
Quaternary
1030301223111
5
Quinary
20123021141
6
Senary
1555213513
8
Octal
114615325
10
Decimal
20126421
12
Duodecimal
68a7299
16
Hexadecimal
1331ad5
20
Vigesimal
65fg11
36
Base36
bzdn9
md5
f8e9293b001e94265059d03b4c426886
sha1
b725b676de2f977f030cffef558fced915263c2c
sha256
1d91da1b5dc7390848c8579d24e16827d1a67e2aed95ca8cebf3d3ad7fcc6b88
sha512
0dade4e46e23904746514b9611cc76bbb2b81e4336d16cd16646c6dee746bc018ba42dcbe3a2bae6085dff523f309279ba4ce8bac4f4c4ff05a0290c357ae4c6
ripemd-160
ba7a110b5cdbba3e3e628a87b00290daa559896b
Diameter
40252842
Circumference
126458032.71331
Area
1.2725738026099E+15
Volume
3.4149808139865E+22
Surface area
5.0902952104397E+15
Circumference
126458032.71331
Perimeter
80505684
Area
405072822269241
Diagonal
28463057.540231
Surface area
2430436933615446
Volume
8.1526661566489E+21
Space diagonal
34859983.746521
Perimeter
60379263
Area
1.7540167723391E+14
Altitude
17429991.873261
Surface area
1.7540167723391E+14
Volume
9.6080092068609E+20
Height
9487685.8467436