18996919 is an odd 8-digits composite number following 18996918
and preceding 18996920 . In scientific notation, it is written as 1.8996919 × 10^7.
The sum of its digits is 52. It has a total of 3 prime factors and 6 positive divisors.
There are 18170460 positive integers (up to 18996919) that are relatively prime to 18996919.
18996919 has 6 divisors, whose sum is 19859336
The reverse of 18996919 is 91969981
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighteen million nine hundred ninety-six thousand nine hundred nineteen
Scientific notation
1.8996919 × 10^7
Engineering notation
1.8996919 × 10^6
Prime Factorization
23 × 23 × 35911
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
825953
Product of the distinct prime numbers
The prime factorization of 18996919 is 23 × 23 × 35911.
Since it has a total of 3 prime factors.
3 , 3 , 15 , 67 , 733 , 103 , 6473 , 9196 , 78508 , 74837 , 209811 , 841654 , 8639698 , 9324879 , 40670899 , 63620639 , 880733055 , 770573145 , 5257880992 , 8415495567
n×2
37993838
n×3
56990757
n×4
75987676
n×5
94984595
n÷2
9498459.5
n÷3
6332306.3333333
n÷3
4749229.75
n÷5
3799383.8
n2
360882931492561
n3
6.8556638180467E+21
n4
1.3023649024266E+29
n5
2.4740920559842E+36
2 √n
4358.5455142742
3 √n
266.82574067938
4 √n
66.019281382595
5 √n
28.558581624128
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18996918
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18996919 can be divided by 6 positive divisors.
The sum of these divisors (counting 18996919) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001000011101111010110111
3
Ternary
1022202010212121
4
Quaternary
1020131322313
5
Quinary
14330400134
6
Senary
1515100411
8
Octal
110357267
10
Decimal
18996919
12
Duodecimal
6441707
16
Hexadecimal
121deb7
20
Vigesimal
5iec5j
36
Base36
bb647
md5
9ea2764ac0174a0b7403988c62d18f5b
sha1
2d63a012c2259911e95abcd340789b4469b8e22d
sha256
5565c8e5c9214cd68823e99b8619b8cb1e9d0861c01791dc8b235400c308bdee
sha512
8368c7fb26c1c8e29816ebcd4c1f9ad878284ade5dac8fbf9b975a0ab3045a65b4ee9ba10ac86bd44698d4c1db5134051357057c7f94ad83965a56eb0211159b
ripemd-160
b20648b2d5a96a71e13b62135506a57903c476d0
Diameter
37993838
Circumference
119361162.34248
Area
1.133747166383E+15
Volume
2.8716937448343E+22
Surface area
4.5349886655319E+15
Circumference
119361162.34248
Perimeter
75987676
Area
360882931492561
Diagonal
26865700.493103
Surface area
2165297588955366
Volume
6.8556638180467E+21
Space diagonal
32903628.895271
Perimeter
56990757
Area
1.5626689323238E+14
Altitude
16451814.447635
Surface area
1.5626689323238E+14
Volume
8.0794772921268E+20
Height
8955233.497701