21243658 is an even 8-digits composite number following 21243657
and preceding 21243659 . In scientific notation, it is written as 2.1243658 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 10184800 positive integers (up to 21243658) that are relatively prime to 21243658.
21243658 has 16 divisors, whose sum is 33203520
The reverse of 21243658 is 85634212
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million two hundred forty-three thousand six hundred fifty-eight
Scientific notation
2.1243658 × 10^7
Engineering notation
2.1243658 × 10^6
Prime Factorization
2 × 41 × 59 × 4391
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21243658
Product of the distinct prime numbers
The prime factorization of 21243658 is 2 × 41 × 59 × 4391.
Since it has a total of 4 prime factors.
4 , 10 , 5 , 95 , 834 , 760 , 8762 , 9793 , 91712 , 22745 , 223791 , 709081 , 2706870 , 3103269 , 78970030 , 33984484 , 37946080 , 837387356 , 2197921115 , 3269414343
n×2
42487316
n×3
63730974
n×4
84974632
n×5
106218290
n÷2
10621829
n÷3
7081219.3333333
n÷3
5310914.5
n÷5
4248731.6
n2
451293005220964
n3
9.5871142607064E+21
n4
2.0366537656137E+29
n5
4.3265976061109E+36
2 √n
4609.0842908326
3 √n
276.95535518415
4 √n
67.890237080398
5 √n
29.204236733037
1 , 2 , 41 , 59 , 82 , 118 , 2419 , 4391 , 4838 , 8782 , 180031 , 259069 , 360062 , 518138 , 10621829 , 21243658
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21243657
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21243658 can be divided by 16 positive divisors.
The sum of these divisors (counting 21243658) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000010011100001010
3
Ternary
1110222021211011
4
Quaternary
1101002130022
5
Quinary
20414244113
6
Senary
2035154134
8
Octal
121023412
10
Decimal
21243658
12
Duodecimal
714594a
16
Hexadecimal
144270a
20
Vigesimal
6cf92i
36
Base36
cnbpm
md5
ba9da7794a3106d298a5e6e54495fea5
sha1
538ca083e26fc9910821cc01016b171d38124efb
sha256
b5437394cf87b344254ca56004b61fd3ff12af7485c535360837b5f186e861b6
sha512
b38f7543fa73f19d9494ac6b31b810a4f0d65b239ad493cc429ea77015292e97d0a53b4cc1f28352fbe231491ca5eb0bd11210397cdeca486b86576641eed4f8
ripemd-160
18597f05792227514610b896cd30240e79dbd998
Diameter
42487316
Circumference
133477839.81635
Area
1.4177787898186E+15
Volume
4.0158410307415E+22
Surface area
5.6711151592746E+15
Circumference
133477839.81635
Perimeter
84974632
Area
451293005220964
Diagonal
30043069.258016
Surface area
2707758031325784
Volume
9.5871142607064E+21
Space diagonal
36795094.994617
Perimeter
63730974
Area
1.9541560353579E+14
Altitude
18397547.497309
Surface area
1.9541560353579E+14
Volume
1.1298522509593E+21
Height
10014356.419339