18996971 is an odd 8-digits composite number following 18996970
and preceding 18996972 . In scientific notation, it is written as 1.8996971 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 16283112 positive integers (up to 18996971) that are relatively prime to 18996971.
18996971 has 4 divisors, whose sum is 21710832
The reverse of 18996971 is 17969981
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighteen million nine hundred ninety-six thousand nine hundred seventy-one
Scientific notation
1.8996971 × 10^7
Engineering notation
1.8996971 × 10^6
Prime Factorization
7 × 2713853
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18996971
Product of the distinct prime numbers
The prime factorization of 18996971 is 7 × 2713853.
Since it has a total of 2 prime factors.
3 , 8 , 72 , 24 , 400 , 842 , 4792 , 810 , 25241 , 56946 , 986291 , 547338 , 3400991 , 839696 , 70123763 , 18002453 , 954132481 , 231777466 , 97450487 , 7084660525
n×2
37993942
n×3
56990913
n×4
75987884
n×5
94984855
n÷2
9498485.5
n÷3
6332323.6666667
n÷3
4749242.75
n÷5
3799394.2
n2
360884907174841
n3
6.8557201159381E+21
n4
1.3023791622659E+29
n5
2.474125917657E+36
2 √n
4358.5514795629
3 √n
266.82598413861
4 √n
66.019326560962
5 √n
28.558597258712
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
-18996970
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 18996971 can be divided by 4 positive divisors.
The sum of these divisors (counting 18996971) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000011101111011101011
3
Ternary
1022202010221112
4
Quaternary
1020131323223
5
Quinary
14330400341
6
Senary
1515100535
8
Octal
110357353
10
Decimal
18996971
12
Duodecimal
644174b
16
Hexadecimal
121deeb
20
Vigesimal
5iec8b
36
Base36
bb65n
md5
cca80d63e6700a5b54a8941bee6e6b3d
sha1
f214c4920851dab708681aa06456d26de72bdc06
sha256
da0c17f73917fe154a22243e89c98fc401d53dd55c99c1e842d177d7246adcf4
sha512
783c10133d59ffecaeceb9813e74a63e0cb9f2c2273eca188159289663b0e5aecf1c87f11021b5fa7ddab41277c2d0903dbc816faf2a220ef53da7d7f279614b
ripemd-160
71fe7bd035142569ed24090c212bde2870eb8057
Diameter
37993942
Circumference
119361489.06812
Area
1.1337533731719E+15
Volume
2.8717173268399E+22
Surface area
4.5350134926877E+15
Circumference
119361489.06812
Perimeter
75987884
Area
360884907174841
Diagonal
26865774.032208
Surface area
2165309443049046
Volume
6.8557201159381E+21
Space diagonal
32903718.961913
Perimeter
56990913
Area
1.562677487279E+14
Altitude
16451859.480956
Surface area
1.562677487279E+14
Volume
8.0795436398281E+20
Height
8955258.0107361