218361421 is an odd 9-digits composite number following 218361420
and preceding 218361422 . In scientific notation, it is written as 2.18361421 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 218185344 positive integers (up to 218361421) that are relatively prime to 218361421.
218361421 has 4 divisors, whose sum is 218537500
The reverse of 218361421 is 124163812
Previous prime number is 1249
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred eighteen million three hundred sixty-one thousand four hundred twenty-one
Scientific notation
2.18361421 × 10^8
Engineering notation
2.18361421 × 10^6
Prime Factorization
1249 × 174829
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
218361421
Product of the distinct prime numbers
The prime factorization of 218361421 is 1249 × 174829.
Since it has a total of 2 prime factors.
8 , 2 , 85 , 60 , 564 , 757 , 9390 , 2656 , 73577 , 81229 , 369116 , 742360 , 8060245 , 8745585 , 33434749 , 52499908 , 482335906 , 389251775 , 6825746700 , 9576207886
n×2
436722842
n×3
655084263
n×4
873445684
n×5
1091807105
n÷2
109180710.5
n÷3
72787140.333333
n÷3
54590355.25
n÷5
43672284.2
n2
47681710181139241
n3
1.0411845990864E+25
n4
2.2735454857982E+33
n5
4.9645462298702E+41
2 √n
14777.057251023
3 √n
602.17858099326
4 √n
121.56091991682
5 √n
46.540943404105
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
-218361420
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 218361421 can be divided by 4 positive divisors.
The sum of these divisors (counting 218361421) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101000000111110111001001101
3
Ternary
120012212220120001
4
Quaternary
31000332321031
5
Quinary
421400031141
6
Senary
33400124301
8
Octal
1500767115
10
Decimal
218361421
12
Duodecimal
61166691
16
Hexadecimal
d03ee4d
20
Vigesimal
384f3b1
36
Base36
3m08r1
md5
b4006164c5eee39d58dc74df5b4382ac
sha1
26e3afa0019ea628c537690df240c281b271a6e7
sha256
d6544e5013954f94e562cfaedca6963b03dc3e556fb460c634c877da8234dce2
sha512
82433f5d3879338f650b7abfc51e28e79669b85d7253c207e4cbf5397c24dd82ed0bb37ee79c838d71f703e15c71051f6fda5041c5c6d40d890cbf17f8a4e882
ripemd-160
63194d773d34a2d593776d560469664b7018497a
Diameter
436722842
Circumference
1372005272.0821
Area
1.4979651041566E+17
Volume
4.3613038500274E+25
Surface area
5.9918604166266E+17
Circumference
1372005272.0821
Perimeter
873445684
Area
47681710181139241
Diagonal
308809683.07726
Surface area
286090261086835446
Volume
1.0411845990864E+25
Space diagonal
378213075.58494
Perimeter
655084263
Area
2.0646786156377E+16
Altitude
189106537.79247
Surface area
2.0646786156377E+16
Volume
1.2270478174683E+24
Height
102936561.02575