21936418 is an even 8-digits composite number following 21936417
and preceding 21936419 . In scientific notation, it is written as 2.1936418 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 12 positive divisors.
There are 9401280 positive integers (up to 21936418) that are relatively prime to 21936418.
21936418 has 12 divisors, whose sum is 38276982
The reverse of 21936418 is 81463912
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million nine hundred thirty-six thousand four hundred eighteen
Scientific notation
2.1936418 × 10^7
Engineering notation
2.1936418 × 10^6
Prime Factorization
2 × 7 × 7 × 223841
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3133774
Product of the distinct prime numbers
The prime factorization of 21936418 is 2 × 7 × 7 × 223841.
Since it has a total of 4 prime factors.
5 , 6 , 39 , 87 , 910 , 236 , 6491 , 1966 , 7417 , 85479 , 559734 , 124583 , 8743567 , 7476437 , 67616638 , 96480022 , 520851456 , 166878681 , 1114246254 , 3866113386
n×2
43872836
n×3
65809254
n×4
87745672
n×5
109682090
n÷2
10968209
n÷3
7312139.3333333
n÷3
5484104.5
n÷5
4387283.6
n2
481206434670724
n3
1.0555945495227E+22
n4
2.3155963276851E+29
n5
5.0795888963365E+36
2 √n
4683.6329915996
3 √n
279.93373431859
4 √n
68.437073224968
5 √n
29.392270958295
1 , 2 , 7 , 14 , 49 , 98 , 223841 , 447682 , 1566887 , 3133774 , 10968209 , 21936418
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21936417
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21936418 can be divided by 12 positive divisors.
The sum of these divisors (counting 21936418) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011101011100100100010
3
Ternary
1112021111002221
4
Quaternary
1103223210202
5
Quinary
21103431133
6
Senary
2102101254
8
Octal
123534442
10
Decimal
21936418
12
Duodecimal
741a82a
16
Hexadecimal
14eb922
20
Vigesimal
6h210i
36
Base36
d268y
md5
58f10ad688620804ca2333fd5bbd8ea7
sha1
f16055bbac8e42f490908e7963b2c7b27df544a2
sha256
4ce0f56188de49f122734f6d30060a2656cb03a5a9a547828310c7b91f99d52e
sha512
bfd50c5377217e82b078f524c9c4ceb35d59f0baddd34f2b5badf12954953d5e3d0cac9d033bb3caeb7eaf68c473c5d2845b1dc84daccea9357c731bd7901beb
ripemd-160
6168f028e232d3c264e4c2228675f6a6e2435ae3
Diameter
43872836
Circumference
137830579.26975
Area
1.5117546000217E+15
Volume
4.4216641092665E+22
Surface area
6.0470184000867E+15
Circumference
137830579.26975
Perimeter
87745672
Area
481206434670724
Diagonal
31022779.845485
Surface area
2887238608024344
Volume
1.0555945495227E+22
Space diagonal
37994990.512068
Perimeter
65809254
Area
2.0836849844469E+14
Altitude
18997495.256034
Surface area
2.0836849844469E+14
Volume
1.2440301069184E+21
Height
10340926.615162