19668081 is an odd 8-digits composite number following 19668080
and preceding 19668082 . In scientific notation, it is written as 1.9668081 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 13112052 positive integers (up to 19668081) that are relatively prime to 19668081.
19668081 has 4 divisors, whose sum is 26224112
The reverse of 19668081 is 18086691
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
nineteen million six hundred sixty-eight thousand eighty-one
Scientific notation
1.9668081 × 10^7
Engineering notation
1.9668081 × 10^6
Prime Factorization
3 × 6556027
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19668081
Product of the distinct prime numbers
The prime factorization of 19668081 is 3 × 6556027.
Since it has a total of 2 prime factors.
5 , 9 , 82 , 53 , 532 , 383 , 6774 , 6394 , 60681 , 97772 , 974776 , 886062 , 3161860 , 5494866 , 93867296 , 5176868 , 741275373 , 195080491 , 5407418053 , 7886389930
n×2
39336162
n×3
59004243
n×4
78672324
n×5
98340405
n÷2
9834040.5
n÷3
6556027
n÷3
4917020.25
n÷5
3933616.2
n2
386833410222561
n3
7.6082708457636E+21
n4
1.4964008726442E+29
n5
2.9431333571636E+36
2 √n
4434.8710240547
3 √n
269.93176602221
4 √n
66.594827307042
5 √n
28.757584040639
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
-19668080
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 19668081 can be divided by 4 positive divisors.
The sum of these divisors (counting 19668081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000001110001110001
3
Ternary
1101000020112110
4
Quaternary
1023001301301
5
Quinary
20013334311
6
Senary
1541315533
8
Octal
113016161
10
Decimal
19668081
12
Duodecimal
6705ba9
16
Hexadecimal
12c1c71
20
Vigesimal
62ia41
36
Base36
bpjzl
md5
e298c8fd920e5ce4ed0065008d305965
sha1
ed545098ca77e43cbde70721fbf7dd674fe55bfe
sha256
14d769a49ac61f302a2e345cd0e202ccb3122985c7f21a494443be092fb9a8c0
sha512
6960729da325e774c909876cb6e7793e29cad9aaf9cfc48e52aaede5535d3762c973e5b0518cfeb16438215302d825b5a76a8d61ab306b4ee9e3b91c922c12e7
ripemd-160
932478c2d3ec93ab0eab62d2d2fb26875f422b24
Diameter
39336162
Circumference
123578197.55962
Area
1.2152729997183E+15
Volume
3.1869450394096E+22
Surface area
4.8610919988731E+15
Circumference
123578197.55962
Perimeter
78672324
Area
386833410222561
Diagonal
27814866.896053
Surface area
2321000461335366
Volume
7.6082708457636E+21
Space diagonal
34066115.57938
Perimeter
59004243
Area
1.6750378014265E+14
Altitude
17033057.78969
Surface area
1.6750378014265E+14
Volume
8.9664331802389E+20
Height
9271622.2986842