19686961 is an odd 8-digits composite number following 19686960
and preceding 19686962 . In scientific notation, it is written as 1.9686961 × 10^7.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 16874532 positive integers (up to 19686961) that are relatively prime to 19686961.
19686961 has 4 divisors, whose sum is 22499392
The reverse of 19686961 is 16968691
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 46
Digital Root 1
Name
nineteen million six hundred eighty-six thousand nine hundred sixty-one
Scientific notation
1.9686961 × 10^7
Engineering notation
1.9686961 × 10^6
Prime Factorization
7 × 2812423
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19686961
Product of the distinct prime numbers
The prime factorization of 19686961 is 7 × 2812423.
Since it has a total of 2 prime factors.
6 , 9 , 61 , 20 , 621 , 754 , 1960 , 9433 , 93445 , 88566 , 553067 , 219014 , 7041444 , 7861126 , 75164453 , 19109588 , 622924110 , 996382601 , 5301429690 , 6110849135
n×2
39373922
n×3
59060883
n×4
78747844
n×5
98434805
n÷2
9843480.5
n÷3
6562320.3333333
n÷3
4921740.25
n÷5
3937392.2
n2
387576433415521
n3
7.6302021291705E+21
n4
1.502154917391E+29
n5
2.9572865274634E+36
2 √n
4436.9990984899
3 √n
270.01811035357
4 √n
66.610803166528
5 √n
28.763102981013
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
-19686960
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 19686961 can be divided by 4 positive divisors.
The sum of these divisors (counting 19686961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000110011000110001
3
Ternary
1101001012102201
4
Quaternary
1023012120301
5
Quinary
20014440321
6
Senary
1541543201
8
Octal
113063061
10
Decimal
19686961
12
Duodecimal
6714b01
16
Hexadecimal
12c6631
20
Vigesimal
630h81
36
Base36
bpyk1
md5
d849d271e9c5f1c1e9f5a23475659bad
sha1
11f64ce63aa6ddeedde4bcd65d99461db93a8960
sha256
f60b609fbde555d741e0aae66f26d13d242f6d431fbec7523d013c9a4f27d6ea
sha512
ae8188d3d5c81959dce546a9803963c7bcdbe612a88b2e8424f1100cf34746d16eeb82545a4fac5cc2b661a9259599208ab29c2d57c2efa79b38d372bbf813e0
ripemd-160
1819e4cf28ea49c335ade73604b98c771b64ef17
Diameter
39373922
Circumference
123696824.09822
Area
1.2176072759227E+15
Volume
3.1961315939209E+22
Surface area
4.8704291036909E+15
Circumference
123696824.09822
Perimeter
78747844
Area
387576433415521
Diagonal
27841567.24811
Surface area
2325458600493126
Volume
7.6302021291705E+21
Space diagonal
34098816.698627
Perimeter
59060883
Area
1.67825518623E+14
Altitude
17049408.349313
Surface area
1.67825518623E+14
Volume
8.9922794456008E+20
Height
9280522.4160367