21341818 is an even 8-digits composite number following 21341817
and preceding 21341819 . In scientific notation, it is written as 2.1341818 × 10^7.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 10670908 positive integers (up to 21341818) that are relatively prime to 21341818.
21341818 has 4 divisors, whose sum is 32012730
The reverse of 21341818 is 81814312
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million three hundred forty-one thousand eight hundred eighteen
Scientific notation
2.1341818 × 10^7
Engineering notation
2.1341818 × 10^6
Prime Factorization
2 × 10670909
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21341818
Product of the distinct prime numbers
The prime factorization of 21341818 is 2 × 10670909.
Since it has a total of 2 prime factors.
3 , 1 , 15 , 9 , 809 , 299 , 5304 , 6813 , 78863 , 15631 , 95397 , 360164 , 8247344 , 869924 , 91222987 , 64243149 , 310164401 , 554739401 , 2905012166 , 3026724974
n×2
42683636
n×3
64025454
n×4
85367272
n×5
106709090
n÷2
10670909
n÷3
7113939.3333333
n÷3
5335454.5
n÷5
4268363.6
n2
455473195545124
n3
9.7206260432024E+21
n4
2.0745583186009E+29
n5
4.4274846065966E+36
2 √n
4619.7205543193
3 √n
277.38127323742
4 √n
67.968526203819
5 √n
29.231175635072
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
-21341817
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 21341818 can be divided by 4 positive divisors.
The sum of these divisors (counting 21341818) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001011010011001111010
3
Ternary
1111011021110201
4
Quaternary
1101122121322
5
Quinary
20430414233
6
Senary
2041232414
8
Octal
121323172
10
Decimal
21341818
12
Duodecimal
719270a
16
Hexadecimal
145a67a
20
Vigesimal
6d7eai
36
Base36
cpfga
md5
62c2fa7e7a90abd066a08fa5835495af
sha1
874ff8456540b51888118996b82f73677357a3a8
sha256
f89770abc2762c21068c86622169bba66b7ecebbf03517b4895696dcdc294546
sha512
633f54e5a96cd810e22e2cb2e37f07b7c1875373803ef4d95ab308c99d8c23d0da282897e81168aab2f9ac0622316ea521e002ab0c22d68650d52534c56f914f
ripemd-160
919392e0a83cede43ba41cf8563baedcce8f75a2
Diameter
42683636
Circumference
134094597.2861
Area
1.4309112450316E+15
Volume
4.0717663154158E+22
Surface area
5.7236449801265E+15
Circumference
134094597.2861
Perimeter
85367272
Area
455473195545124
Diagonal
30181888.461298
Surface area
2732839173270744
Volume
9.7206260432024E+21
Space diagonal
36965113.101888
Perimeter
64025454
Area
1.9722567904248E+14
Altitude
18482556.550944
Surface area
1.9722567904248E+14
Volume
1.1455867654212E+21
Height
10060629.487099