21231418 is an even 8-digits composite number following 21231417
and preceding 21231419 . In scientific notation, it is written as 2.1231418 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 9799104 positive integers (up to 21231418) that are relatively prime to 21231418.
21231418 has 8 divisors, whose sum is 34296948
The reverse of 21231418 is 81413212
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million two hundred thirty-one thousand four hundred eighteen
Scientific notation
2.1231418 × 10^7
Engineering notation
2.1231418 × 10^6
Prime Factorization
2 × 13 × 816593
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21231418
Product of the distinct prime numbers
The prime factorization of 21231418 is 2 × 13 × 816593.
Since it has a total of 3 prime factors.
9 , 9 , 21 , 18 , 295 , 671 , 7711 , 3322 , 67875 , 81802 , 776046 , 123291 , 8836970 , 7448210 , 72415707 , 60954145 , 271646517 , 651409508 , 9038272473 , 6219898816
n×2
42462836
n×3
63694254
n×4
84925672
n×5
106157090
n÷2
10615709
n÷3
7077139.3333333
n÷3
5307854.5
n÷5
4246283.6
n2
450773110290724
n3
9.5705523277425E+21
n4
2.0319639696117E+29
n5
4.3141476399766E+36
2 √n
4607.7562869579
3 √n
276.90215366211
4 √n
67.880455854081
5 √n
29.20087062472
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
-21231417
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 21231418 can be divided by 8 positive divisors.
The sum of these divisors (counting 21231418) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000111111011100111010
3
Ternary
1110221200000211
4
Quaternary
1100333130322
5
Quinary
20413401133
6
Senary
2035021334
8
Octal
120773472
10
Decimal
21231418
12
Duodecimal
713a84a
16
Hexadecimal
143f73a
20
Vigesimal
6cdiai
36
Base36
cn29m
md5
7e412939311da06dd1ebd537246b37df
sha1
563315423555e9de688935debe2cdba5d2a0c921
sha256
11614ceef825d3a51f476e17b0015e925dd9e233d709882636ac35862859688f
sha512
7ac7782f2b01bc75fe2c6d7bb988e0518a63d347faca16ca97bd3a25576d675ed53210b28f0642bfd343118746ef23ddc3eb7d16ea35a990545d0c9e270ff827
ripemd-160
9f4950856f352538dbfaf83aec5251eb2cf77aa5
Diameter
42462836
Circumference
133400933.62819
Area
1.4161454917252E+15
Volume
4.0089035844843E+22
Surface area
5.6645819669006E+15
Circumference
133400933.62819
Perimeter
84925672
Area
450773110290724
Diagonal
30025759.284012
Surface area
2704638661744344
Volume
9.5705523277425E+21
Space diagonal
36773894.692732
Perimeter
63694254
Area
1.9519048242735E+14
Altitude
18386947.346366
Surface area
1.9519048242735E+14
Volume
1.1279004084412E+21
Height
10008586.428004