20126645 is an odd 8-digits composite number following 20126644
and preceding 20126646 . In scientific notation, it is written as 2.0126645 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 12326400 positive integers (up to 20126645) that are relatively prime to 20126645.
20126645 has 16 divisors, whose sum is 24895728
The reverse of 20126645 is 54662102
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred twenty-six thousand six hundred forty-five
Scientific notation
2.0126645 × 10^7
Engineering notation
2.0126645 × 10^6
Prime Factorization
77 × 5 × 61 × 857
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20126645
Product of the distinct prime numbers
The prime factorization of 20126645 is 77 × 5 × 61 × 857.
Since it has a total of 4 prime factors.
9 , 1 , 73 , 92 , 961 , 537 , 6904 , 5091 , 51315 , 53262 , 720616 , 161263 , 4173218 , 8284864 , 9787823 , 37216277 , 554474724 , 655858763 , 2154854710 , 3038697730
n×2
40253290
n×3
60379935
n×4
80506580
n×5
100633225
n÷2
10063322.5
n÷3
6708881.6666667
n÷3
5031661.25
n÷5
4025329
n2
405081838956025
n3
8.1529383686151E+21
n4
1.6409129625199E+29
n5
3.3026072672537E+36
2 √n
4486.2729520171
3 √n
272.01350224928
4 √n
66.979645803909
5 √n
28.890448056567
1 , 5 , 61 , 77 , 305 , 385 , 857 , 4285 , 4697 , 23485 , 52277 , 65989 , 261385 , 329945 , 4025329 , 20126645
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
-20126644
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 20126645 can be divided by 16 positive divisors.
The sum of these divisors (counting 20126645) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001101110110101
3
Ternary
1101212112120022
4
Quaternary
1030301232311
5
Quinary
20123023040
6
Senary
1555214525
8
Octal
114615665
10
Decimal
20126645
12
Duodecimal
68a7445
16
Hexadecimal
1331bb5
20
Vigesimal
65fgc5
36
Base36
bzdth
md5
9bd73a472eeba9c1fe2dd5d37caaec2f
sha1
77af71ed621be6b09448e9ce8ba1fef43c417290
sha256
29419971aafc7fbd5dee9e667dc4c15b122757ac73ca0adcd5e7f81710a4c633
sha512
db1e3e5d084aaff0e7f6746f2fa84f07cfc9b34f9ace09ae54fdc891b5ee64ef7f59293cf35c0437ef344afc22dcd2626e14beca7ac03269f1079e1478d6024f
ripemd-160
e5099cf9a43389622c0246961d152620a9eadb42
Diameter
40253290
Circumference
126459440.14682
Area
1.2726021293669E+15
Volume
3.4150948378682E+22
Surface area
5.0904085174676E+15
Circumference
126459440.14682
Perimeter
80506580
Area
405081838956025
Diagonal
28463374.324069
Surface area
2430491033736150
Volume
8.1529383686151E+21
Space diagonal
34860371.725902
Perimeter
60379935
Area
1.7540558157382E+14
Altitude
17430185.862951
Surface area
1.7540558157382E+14
Volume
9.6083300117395E+20
Height
9487791.4413562