18996421 is an odd 8-digits composite number following 18996420
and preceding 18996422 . In scientific notation, it is written as 1.8996421 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 18276720 positive integers (up to 18996421) that are relatively prime to 18996421.
18996421 has 8 divisors, whose sum is 19720800
The reverse of 18996421 is 12469981
Previous prime number is 331
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million nine hundred ninety-six thousand four hundred twenty-one
Scientific notation
1.8996421 × 10^7
Engineering notation
1.8996421 × 10^6
Prime Factorization
29 × 331 × 1979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18996421
Product of the distinct prime numbers
The prime factorization of 18996421 is 29 × 331 × 1979.
Since it has a total of 3 prime factors.
10 , 5 , 4 , 70 , 995 , 528 , 1369 , 4487 , 79625 , 93740 , 650734 , 219124 , 8280776 , 8075559 , 83555115 , 21958542 , 763373275 , 371501623 , 7508818294 , 9395050483
n×2
37992842
n×3
56989263
n×4
75985684
n×5
94982105
n÷2
9498210.5
n÷3
6332140.3333333
n÷3
4749105.25
n÷5
3799284.2
n2
360864010809241
n3
6.8551246730809E+21
n4
1.3022283429733E+29
n5
2.4737677841254E+36
2 √n
4358.4883847499
3 √n
266.82340906655
4 √n
66.018848708152
5 √n
28.558431891186
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
-18996420
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 18996421 can be divided by 8 positive divisors.
The sum of these divisors (counting 18996421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011101110011000101
3
Ternary
1022202010012011
4
Quaternary
1020131303011
5
Quinary
14330341141
6
Senary
1515054221
8
Octal
110356305
10
Decimal
18996421
12
Duodecimal
6441371
16
Hexadecimal
121dcc5
20
Vigesimal
5ieb11
36
Base36
bb5qd
md5
2b5de83c8affe8e89ef1494170eb8d2b
sha1
4767e9747cb98a1aaf6e618001af6ed11b6f779e
sha256
340c06cf9c5487e6ebbaf50584335ce0373288b9190afa7ee6989f9d5281ec9b
sha512
a9e2d002d5bec9dbb28474c61dcbeadbbf65fb1b38f57931934e8ed9a39c8dad5ab10c273ce8db3dddc91f6166d8cdfc6a305647c283a972b2edb341c435c519
ripemd-160
3550dff1bbb2a448e2e03cf80b0180f3853592ef
Diameter
37992842
Circumference
119358033.3162
Area
1.1336877253033E+15
Volume
2.8714679083191E+22
Surface area
4.534750901213E+15
Circumference
119358033.3162
Perimeter
75985684
Area
360864010809241
Diagonal
26864996.214749
Surface area
2165184064855446
Volume
6.8551246730809E+21
Space diagonal
32902766.333968
Perimeter
56989263
Area
1.5625870033617E+14
Altitude
16451383.166984
Surface area
1.5625870033617E+14
Volume
8.0788419036912E+20
Height
8954998.7382497