19796721 is an odd 8-digits composite number following 19796720
and preceding 19796722 . In scientific notation, it is written as 1.9796721 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 10179840 positive integers (up to 19796721) that are relatively prime to 19796721.
19796721 has 16 divisors, whose sum is 30256128
The reverse of 19796721 is 12769791
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million seven hundred ninety-six thousand seven hundred twenty-one
Scientific notation
1.9796721 × 10^7
Engineering notation
1.9796721 × 10^6
Prime Factorization
3 × 391 × 7 × 2411
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19796721
Product of the distinct prime numbers
The prime factorization of 19796721 is 3 × 391 × 7 × 2411.
Since it has a total of 4 prime factors.
1 , 3 , 67 , 15 , 908 , 747 , 1846 , 7686 , 86707 , 32865 , 15967 , 87021 , 3967891 , 5410006 , 95860577 , 80756406 , 770262457 , 527820303 , 8565662546 , 3494372049
n×2
39593442
n×3
59390163
n×4
79186884
n×5
98983605
n÷2
9898360.5
n÷3
6598907
n÷3
4949180.25
n÷5
3959344.2
n2
391910162351841
n3
7.7585361411441E+21
n4
1.5359357535465E+29
n5
3.0406491586884E+36
2 √n
4449.3506267769
3 √n
270.51898805598
4 √n
66.703452884966
5 √n
28.795104071634
1 , 3 , 7 , 21 , 391 , 1173 , 2411 , 2737 , 7233 , 8211 , 16877 , 50631 , 942701 , 2828103 , 6598907 , 19796721
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
-19796720
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 19796721 can be divided by 16 positive divisors.
The sum of these divisors (counting 19796721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011100001001011110001
3
Ternary
1101020202222220
4
Quaternary
1023201023301
5
Quinary
20031443341
6
Senary
1544151253
8
Octal
113411361
10
Decimal
19796721
12
Duodecimal
6768529
16
Hexadecimal
12e12f1
20
Vigesimal
63ebg1
36
Base36
bsb8x
md5
7b6e438460fcb0845ee7843ef8cced82
sha1
eddae28a55e7475032f0487996100e6484c1c813
sha256
eb26777aa2dd3bc161e342251086f8708202f07cb85fcabfce10001d2187b3fa
sha512
0177eb167cd992a71d1937bad35c05ac2e6c1febfd9bf7d289d3d443fbb5a77df941427cb36897ad67d622ba0744f93f45635dec442b1e41b25328da2e84e420
ripemd-160
673cd56bf1b0c51699a1871dd78c3d56bde08060
Diameter
39593442
Circumference
124386466.51753
Area
1.2312220869117E+15
Volume
3.2498880191506E+22
Surface area
4.9248883476469E+15
Circumference
124386466.51753
Perimeter
79186884
Area
391910162351841
Diagonal
27996791.328716
Surface area
2351460974111046
Volume
7.7585361411441E+21
Space diagonal
34288926.595266
Perimeter
59390163
Area
1.6970207829899E+14
Altitude
17144463.297633
Surface area
1.6970207829899E+14
Volume
9.1435225291398E+20
Height
9332263.7762388