20197639 is an odd 8-digits composite number following 20197638
and preceding 20197640 . In scientific notation, it is written as 2.0197639 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 15400800 positive integers (up to 20197639) that are relatively prime to 20197639.
20197639 has 16 divisors, whose sum is 25721856
The reverse of 20197639 is 93679102
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred ninety-seven thousand six hundred thirty-nine
Scientific notation
2.0197639 × 10^7
Engineering notation
2.0197639 × 10^6
Prime Factorization
7 × 11 × 47 × 5581
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20197639
Product of the distinct prime numbers
The prime factorization of 20197639 is 7 × 11 × 47 × 5581.
Since it has a total of 4 prime factors.
7 , 6 , 8 , 4 , 167 , 253 , 5616 , 6743 , 64805 , 350 , 566172 , 154995 , 1704820 , 6423116 , 11770783 , 67063603 , 651197592 , 621364851 , 2900512212 , 1174441623
n×2
40395278
n×3
60592917
n×4
80790556
n×5
100988195
n÷2
10098819.5
n÷3
6732546.3333333
n÷3
5049409.75
n÷5
4039527.8
n2
407944621174321
n3
8.2395181904707E+21
n4
1.6641881394506E+29
n5
3.3612671268705E+36
2 √n
4494.1783453708
3 √n
272.33295713019
4 √n
67.038633230182
5 √n
28.910800784618
1 , 7 , 11 , 47 , 77 , 329 , 517 , 3619 , 5581 , 39067 , 61391 , 262307 , 429737 , 1836149 , 2885377 , 20197639
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
-20197638
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 20197639 can be divided by 16 positive divisors.
The sum of these divisors (counting 20197639) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000011000100000111
3
Ternary
1102000010221201
4
Quaternary
1031003010013
5
Quinary
20132311024
6
Senary
2000523331
8
Octal
115030407
10
Decimal
20197639
12
Duodecimal
6920547
16
Hexadecimal
1343107
20
Vigesimal
664e1j
36
Base36
c0wlj
md5
370347df8b5eb135a68e988a65846892
sha1
89e8e1032ff5fcf6f358f1dc48174fe7bf8a1ef1
sha256
8c80edbfc740ee1c35bdaea24c1b323dde799e52698b063737545ac31ef163d3
sha512
f10e72c29de43e131b94c978163a8ad70a2e5fc882af43f0b935aba286afb6bd1079d037fac31465f2c96879f40fd27b9314b0c30bfcc173dfa119d58e75ca0a
ripemd-160
9de920b20120fea8960d2b526413bc4662192e89
Diameter
40395278
Circumference
126905508.60452
Area
1.2815958249527E+15
Volume
3.4513613088403E+22
Surface area
5.1263832998109E+15
Circumference
126905508.60452
Perimeter
80790556
Area
407944621174321
Diagonal
28563775.001716
Surface area
2447667727045926
Volume
8.2395181904707E+21
Space diagonal
34983336.940935
Perimeter
60592917
Area
1.7664520263709E+14
Altitude
17491668.470467
Surface area
1.7664520263709E+14
Volume
9.7103653103196E+20
Height
9521258.3339053