19493840 is an even 8-digits composite number following 19493839
and preceding 19493841 . In scientific notation, it is written as 1.9493840 × 10^7.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 7797504 positive integers (up to 19493840) that are relatively prime to 19493840.
19493840 has 20 divisors, whose sum is 45323364
The reverse of 19493840 is 04839491
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
nineteen million four hundred ninety-three thousand eight hundred forty
Scientific notation
1.9493840 × 10^7
Engineering notation
1.9493840 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 243673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2436730
Product of the distinct prime numbers
The prime factorization of 19493840 is 2 × 2 × 2 × 2 × 5 × 243673.
Since it has a total of 6 prime factors.
3 , 9 , 23 , 83 , 922 , 23 , 6847 , 1840 , 1781 , 48168 , 631595 , 536719 , 1186055 , 1462151 , 38399119 , 5434234 , 999929725 , 525164787 , 7487628074 , 6992784272
n×2
38987680
n×3
58481520
n×4
77975360
n×5
97469200
n÷2
9746920
n÷3
6497946.6666667
n÷3
4873460
n÷5
3898768
n2
380009797945600
n3
7.4078501995839E+21
n4
1.4440744653466E+29
n5
2.8150556575551E+36
2 √n
4415.1828954189
3 √n
269.13228523506
4 √n
66.44684262942
5 √n
28.706449398508
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 243673 , 487346 , 974692 , 1218365 , 1949384 , 2436730 , 3898768 , 4873460 , 9746920 , 19493840
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19493839
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19493840 can be divided by 20 positive divisors.
The sum of these divisors (counting 19493840) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001010010111001111010000
3
Ternary
1100200101112002
4
Quaternary
1022113033100
5
Quinary
14442300330
6
Senary
1533453132
8
Octal
112271720
10
Decimal
19493840
12
Duodecimal
66411a8
16
Hexadecimal
12973d0
20
Vigesimal
61gec0
36
Base36
bltjk
md5
24176ce894a6b65c24ffb72575c5de5b
sha1
ced075efd2999192d49b65b2021b6219558cf189
sha256
0421311e9f25888952e340ceae779293d4d5b11c8ef3c01420bfe885c0c3f1f7
sha512
f6d6b2dd7895aebbe1387e052e0d76bd26331ac730abfc90685c8071a7d1e129b3ef82f1c5d002a783ef2507a99028e0ffcc28b69ae8846f40066e1861c12465
ripemd-160
b9d7720749f022b95378ecf26fc58d666556cc24
Diameter
38987680
Circumference
122483409.06851
Area
1.193835989518E+15
Volume
3.1029930354542E+22
Surface area
4.7753439580722E+15
Circumference
122483409.06851
Perimeter
77975360
Area
380009797945600
Diagonal
27568452.910731
Surface area
2280058787673600
Volume
7.4078501995839E+21
Space diagonal
33764321.314618
Perimeter
58481520
Area
1.6454906935394E+14
Altitude
16882160.657309
Surface area
1.6454906935394E+14
Volume
8.7302351835664E+20
Height
9189484.303577