21243846 is an even 8-digits composite number following 21243845
and preceding 21243847 . In scientific notation, it is written as 2.1243846 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 5971968 positive integers (up to 21243846) that are relatively prime to 21243846.
21243846 has 32 divisors, whose sum is 35622720
The reverse of 21243846 is 64834212
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million two hundred forty-three thousand eight hundred forty-six
Scientific notation
2.1243846 × 10^7
Engineering notation
2.1243846 × 10^6
Prime Factorization
2 × 39 × 17 × 37 × 433
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21243846
Product of the distinct prime numbers
The prime factorization of 21243846 is 2 × 39 × 17 × 37 × 433.
Since it has a total of 5 prime factors.
9 , 1 , 87 , 90 , 878 , 130 , 6551 , 3195 , 25268 , 43956 , 386047 , 826687 , 8569368 , 1667079 , 34769349 , 45519611 , 176970605 , 687494317 , 732640815 , 3823400188
n×2
42487692
n×3
63731538
n×4
84975384
n×5
106219230
n÷2
10621923
n÷3
7081282
n÷3
5310961.5
n÷5
4248769.2
n2
451300992871716
n3
9.5873687922138E+21
n4
2.03672586167E+29
n5
4.3267890549534E+36
2 √n
4609.1046852941
3 √n
276.95617217234
4 √n
67.890387281957
5 √n
29.204288422601
1 , 2 , 17 , 34 , 37 , 39 , 74 , 78 , 433 , 629 , 663 , 866 , 1258 , 1326 , 1443 , 2886 , 7361 , 14722 , 16021 , 16887 , 24531 , 32042 , 33774 , 49062 , 272357 , 287079 , 544714 , 574158 , 624819 , 1249638 , 10621923 , 21243846
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21243845
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21243846 can be divided by 32 positive divisors.
The sum of these divisors (counting 21243846) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001000010011111000110
3
Ternary
1110222022002010
4
Quaternary
1101002133012
5
Quinary
20414300341
6
Senary
2035155050
8
Octal
121023706
10
Decimal
21243846
12
Duodecimal
7145a86
16
Hexadecimal
14427c6
20
Vigesimal
6cf9c6
36
Base36
cnbuu
md5
eb3340029f419f0f2cc6e163c38be6a7
sha1
5a8d265fb795b7a8c43c8309af12b76cd738b74a
sha256
504bd9d14250f21d5ba5f272f8ffb791430d1dc1ea2913582c27c587690fb2b8
sha512
52d07ad4744eb25efb892aac8bb92d36037d15c8d16a472469f46d8a6ab539c32288fe85e03fd06c9fc24e6a12a84bbcb46b918c9897658d633de2dfddf806bd
ripemd-160
b73745cf5a791e6efe303e6e9a6415e04da59e30
Diameter
42487692
Circumference
133479021.05519
Area
1.4178038837636E+15
Volume
4.01594764865E+22
Surface area
5.6712155350542E+15
Circumference
133479021.05519
Perimeter
84975384
Area
451300992871716
Diagonal
30043335.130165
Surface area
2707805957230296
Volume
9.5873687922138E+21
Space diagonal
36795420.620169
Perimeter
63731538
Area
1.9541906229002E+14
Altitude
18397710.310084
Surface area
1.9541906229002E+14
Volume
1.1298822477851E+21
Height
10014445.043388