19998518 is an even 8-digits composite number following 19998517
and preceding 19998519 . In scientific notation, it is written as 1.9998518 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 9878704 positive integers (up to 19998518) that are relatively prime to 19998518.
19998518 has 8 divisors, whose sum is 30359448
The reverse of 19998518 is 81589991
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred ninety-eight thousand five hundred eighteen
Scientific notation
1.9998518 × 10^7
Engineering notation
1.9998518 × 10^6
Prime Factorization
2 × 83 × 120473
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19998518
Product of the distinct prime numbers
The prime factorization of 19998518 is 2 × 83 × 120473.
Since it has a total of 3 prime factors.
5 , 7 , 24 , 73 , 19 , 628 , 727 , 3916 , 64244 , 88218 , 20459 , 818425 , 1146131 , 8764400 , 25136365 , 91461044 , 817279628 , 259668443 , 2123010611 , 2831551515
n×2
39997036
n×3
59995554
n×4
79994072
n×5
99992590
n÷2
9999259
n÷3
6666172.6666667
n÷3
4999629.5
n÷5
3999703.6
n2
399940722196324
n3
7.9982217317762E+21
n4
1.5995258127092E+29
n5
3.1988145756929E+36
2 √n
4471.9702592929
3 √n
271.43505688237
4 √n
66.872791621801
5 √n
28.853570489217
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19998517
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19998518 can be divided by 8 positive divisors.
The sum of these divisors (counting 19998518) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010010011100110110
3
Ternary
1101122000210212
4
Quaternary
1030102130312
5
Quinary
20104423033
6
Senary
1552345422
8
Octal
114223466
10
Decimal
19998518
12
Duodecimal
6845272
16
Hexadecimal
1312736
20
Vigesimal
64jg5i
36
Base36
bwmye
md5
3db9302bdb8337f5b3707611b2cfd27b
sha1
9fbe0b88eb529d37faeb55a7ae6cfbe3687ef321
sha256
c062094ec1d8d9021a51a1c19d841c9ca1d120fa9de446234c85f7cf2bbbe30b
sha512
fef861e7ade6837c7c5733b5d2c8b458d36fb15a31617e1872139a2bbc4fb4b048f1e75af0972e6bfb27817e178bfa570e94980d45bb533af4f386ad17cd3aea
ripemd-160
c5a30ac663cfd4167b76b7ebc7b1c07483a40ab9
Diameter
39997036
Circumference
125654394.46297
Area
1.2564508347234E+15
Volume
3.3502872845774E+22
Surface area
5.0258033388935E+15
Circumference
125654394.46297
Perimeter
79994072
Area
399940722196324
Diagonal
28282175.382962
Surface area
2399644333177944
Volume
7.9982217317762E+21
Space diagonal
34638449.252081
Perimeter
59995554
Area
1.7317941271496E+14
Altitude
17319224.62604
Surface area
1.7317941271496E+14
Volume
9.4259947066209E+20
Height
9427391.7943208