20197906 is an even 8-digits composite number following 20197905
and preceding 20197907 . In scientific notation, it is written as 2.0197906 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 10098952 positive integers (up to 20197906) that are relatively prime to 20197906.
20197906 has 4 divisors, whose sum is 30296862
The reverse of 20197906 is 60979102
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred ninety-seven thousand nine hundred six
Scientific notation
2.0197906 × 10^7
Engineering notation
2.0197906 × 10^6
Prime Factorization
2 × 10098953
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20197906
Product of the distinct prime numbers
The prime factorization of 20197906 is 2 × 10098953.
Since it has a total of 2 prime factors.
7 , 9 , 77 , 46 , 944 , 424 , 3174 , 6462 , 28669 , 13905 , 62819 , 130646 , 8898273 , 5692545 , 28202830 , 81845364 , 825652672 , 734818295 , 9293841178 , 5360795556
n×2
40395812
n×3
60593718
n×4
80791624
n×5
100989530
n÷2
10098953
n÷3
6732635.3333333
n÷3
5049476.5
n÷5
4039581.2
n2
407955406784836
n3
8.2398449584319E+21
n4
1.6642761392498E+29
n5
3.3614893018611E+36
2 √n
4494.2080503688
3 √n
272.334157148
4 √n
67.038854781155
5 √n
28.91087722071
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20197905
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20197906 can be divided by 4 positive divisors.
The sum of these divisors (counting 20197906) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000011001000010010
3
Ternary
1102000011022121
4
Quaternary
1031003020102
5
Quinary
20132313111
6
Senary
2000524454
8
Octal
115031022
10
Decimal
20197906
12
Duodecimal
692072a
16
Hexadecimal
1343212
20
Vigesimal
664ef6
36
Base36
c0wsy
md5
a0b124feef866f31c0ea874bcf39c708
sha1
001d6b8dd0dd6aecc5bfddb1caf9299d9e0f3cff
sha256
aa4a216b49853a1418deaee99841d9c0a42b6b302dbaa643bbb35e7b1df6fb08
sha512
4addee59ec99d654bc5dcb644e6ab12838fac548359a1f46c212a54f2a7eec8076e09ec66af0d8f8f483819cbf7ca7bd3355f0ef100a0d5e063655dd985e7bd3
ripemd-160
f48c26a142811bdfbe9ba6e3bf899a2a1823e06f
Diameter
40395812
Circumference
126907186.21499
Area
1.2816297089475E+15
Volume
3.4514981850838E+22
Surface area
5.1265188357899E+15
Circumference
126907186.21499
Perimeter
80791624
Area
407955406784836
Diagonal
28564152.596737
Surface area
2447732440709016
Volume
8.2398449584319E+21
Space diagonal
34983799.3985
Perimeter
60593718
Area
1.7664987294344E+14
Altitude
17491899.69925
Surface area
1.7664987294344E+14
Volume
9.7107504100549E+20
Height
9521384.1989123