18742419 is an odd 8-digits composite number following 18742418
and preceding 18742420 . In scientific notation, it is written as 1.8742419 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 12 positive divisors.
There are 12448800 positive integers (up to 18742419) that are relatively prime to 18742419.
18742419 has 12 divisors, whose sum is 27172392
The reverse of 18742419 is 91424781
Previous prime number is 281
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighteen million seven hundred forty-two thousand four hundred nineteen
Scientific notation
1.8742419 × 10^7
Engineering notation
1.8742419 × 10^6
Prime Factorization
3 × 3 × 281 × 7411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6247473
Product of the distinct prime numbers
The prime factorization of 18742419 is 3 × 3 × 281 × 7411.
Since it has a total of 4 prime factors.
5 , 9 , 28 , 6 , 476 , 409 , 4048 , 427 , 40229 , 60377 , 159290 , 988980 , 8520312 , 3298281 , 28130418 , 23567446 , 272181301 , 40789423 , 5677614556 , 6666100012
n×2
37484838
n×3
56227257
n×4
74969676
n×5
93712095
n÷2
9371209.5
n÷3
6247473
n÷3
4685604.75
n÷5
3748483.8
n2
351278269971561
n3
6.5838045214021E+21
n4
1.2339642295421E+29
n5
2.3127474621091E+36
2 √n
4329.2515519429
3 √n
265.62883295968
4 √n
65.797048200834
5 √n
28.481648902472
1 , 3 , 9 , 281 , 843 , 2529 , 7411 , 22233 , 66699 , 2082491 , 6247473 , 18742419
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18742418
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18742419 can be divided by 12 positive divisors.
The sum of these divisors (counting 18742419) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000111011111110010010011
3
Ternary
1022021012202200
4
Quaternary
1013133302103
5
Quinary
14244224134
6
Senary
1505414243
8
Octal
107376223
10
Decimal
18742419
12
Duodecimal
633a383
16
Hexadecimal
11dfc93
20
Vigesimal
5h2g0j
36
Base36
b5pqr
md5
6c323b1964394df74fed69afc053c9c7
sha1
90e15a44f02d20fbaa2626975496d4bf4fd5a04a
sha256
8a81288e768b78471c2702b417300b88b951266937f2b518a7eacdd03238e2f4
sha512
32af849ec26481112608cf7ab325a5d849a8f8e127b2093b481242aa40b30ce13b3ed18d31dc2036fe2d80b60af9a71c5677975af65c4877e013eb26474c2765
ripemd-160
5a24135592b8028f3c83f9d8a02f9b8db3d2cc3f
Diameter
37484838
Circumference
117762091.6818
Area
1.1035732323084E+15
Volume
2.7578175889478E+22
Surface area
4.4142929292336E+15
Circumference
117762091.6818
Perimeter
74969676
Area
351278269971561
Diagonal
26505783.141479
Surface area
2107669619829366
Volume
6.5838045214021E+21
Space diagonal
32462821.964744
Perimeter
56227257
Area
1.5210795279641E+14
Altitude
16231410.982372
Surface area
1.5210795279641E+14
Volume
7.7590880384835E+20
Height
8835261.0471597