17998421 is an odd 8-digits composite number following 17998420
and preceding 17998422 . In scientific notation, it is written as 1.7998421 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 15427212 positive integers (up to 17998421) that are relatively prime to 17998421.
17998421 has 4 divisors, whose sum is 20569632
The reverse of 17998421 is 12489971
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventeen million nine hundred ninety-eight thousand four hundred twenty-one
Scientific notation
1.7998421 × 10^7
Engineering notation
1.7998421 × 10^6
Prime Factorization
7 × 2571203
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
17998421
Product of the distinct prime numbers
The prime factorization of 17998421 is 7 × 2571203.
Since it has a total of 2 prime factors.
7 , 4 , 19 , 58 , 881 , 799 , 358 , 2710 , 85595 , 45450 , 16120 , 667582 , 4600890 , 5799424 , 53032269 , 44127734 , 921539748 , 246194292 , 3547153365 , 4928884905
n×2
35996842
n×3
53995263
n×4
71993684
n×5
89992105
n÷2
8999210.5
n÷3
5999473.6666667
n÷3
4499605.25
n÷5
3599684.2
n2
323943158493241
n3
5.8304653466311E+21
n4
1.0493916993458E+29
n5
1.8887393598731E+36
2 √n
4242.4545961035
3 √n
262.06647595483
4 √n
65.134127737335
5 √n
28.251849315857
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-17998420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 17998421 can be divided by 4 positive divisors.
The sum of these divisors (counting 17998421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000100101010001001010101
3
Ternary
1020212102012012
4
Quaternary
1010222021111
5
Quinary
14101422141
6
Senary
1441434005
8
Octal
104521125
10
Decimal
17998421
12
Duodecimal
603b905
16
Hexadecimal
112a255
20
Vigesimal
5c9g11
36
Base36
apro5
md5
320681b84677ea5c1cba18f7749a063f
sha1
2daedf2abe9259e7dff8c40c474a9221f9eaec4d
sha256
3a779ad75a6bec03bd0c70c69d382445f182b8efbfc64f59178585d1ee074351
sha512
b5171f2e67c0197d018564bfd056dcfe7dd10db23103c109700ee87b38c95d14401b7a4b27a4f5ac4891dca691e95fb51c5c5d55e2c7acc5b1e6888383d4675c
ripemd-160
9b3bce7d2a92039ee7b474b1d3a4cf1e908cb62f
Diameter
35996842
Circumference
113087414.37963
Area
1.017697446903E+15
Volume
2.4422596133315E+22
Surface area
4.0707897876122E+15
Circumference
113087414.37963
Perimeter
71993684
Area
323943158493241
Diagonal
25453611.079501
Surface area
1943658950959446
Volume
5.8304653466311E+21
Space diagonal
31174179.628015
Perimeter
53995263
Area
1.4027150231866E+14
Altitude
15587089.814007
Surface area
1.4027150231866E+14
Volume
6.8712693067933E+20
Height
8484537.0265002