21241815 is an odd 8-digits composite number following 21241814
and preceding 21241816 . In scientific notation, it is written as 2.1241815 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 9609600 positive integers (up to 21241815) that are relatively prime to 21241815.
21241815 has 16 divisors, whose sum is 29434752
The reverse of 21241815 is 51814212
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million two hundred forty-one thousand eight hundred fifteen
Scientific notation
2.1241815 × 10^7
Engineering notation
2.1241815 × 10^6
Prime Factorization
3 × 35 × 101 × 2003
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21241815
Product of the distinct prime numbers
The prime factorization of 21241815 is 3 × 35 × 101 × 2003.
Since it has a total of 4 prime factors.
8 , 9 , 24 , 76 , 779 , 177 , 4058 , 9180 , 24649 , 12301 , 354085 , 293623 , 1569496 , 8101595 , 61979817 , 15441915 , 572526074 , 491879162 , 7118134224 , 2999892551
n×2
42483630
n×3
63725445
n×4
84967260
n×5
106209075
n÷2
10620907.5
n÷3
7080605
n÷3
5310453.75
n÷5
4248363
n2
451214704494225
n3
9.584619278146E+21
n4
2.0359470955181E+29
n5
4.3247211552783E+36
2 √n
4608.8843552426
3 √n
276.94734583721
4 √n
67.888764572959
5 √n
29.203729990967
1 , 3 , 35 , 101 , 105 , 303 , 2003 , 3535 , 6009 , 10605 , 70105 , 202303 , 210315 , 606909 , 7080605 , 21241815
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
-21241814
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 21241815 can be divided by 16 positive divisors.
The sum of these divisors (counting 21241815) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000001111111010111
3
Ternary
1110222012021220
4
Quaternary
1101001333113
5
Quinary
20414214230
6
Senary
2035141423
8
Octal
121017727
10
Decimal
21241815
12
Duodecimal
7144873
16
Hexadecimal
1441fd7
20
Vigesimal
6cf4af
36
Base36
cnaaf
md5
f8ecb839aea567447002b8bd083f583a
sha1
94f8bbc85e995adc1ad4ce9bfa0efacc462641ec
sha256
45642faf48132e7a5d88af148618f489de05095ea9bd0d30b33e459768ee909b
sha512
ff97e75618ac99f3c1e96752d1ac5163dfdecd8433db0ece37c2867e0970bfb2cb0f82f4d56bc903d3b9c8155f17396747b885d27b33272ddb4c2bf855d7a64a
ripemd-160
c4eeaed722584479ff13af7e64925dd8615b36cd
Diameter
42483630
Circumference
133466259.90583
Area
1.4175328008307E+15
Volume
4.0147959348905E+22
Surface area
5.670131203323E+15
Circumference
133466259.90583
Perimeter
84967260
Area
451214704494225
Diagonal
30040462.86242
Surface area
2707288226965350
Volume
9.584619278146E+21
Space diagonal
36791902.824979
Perimeter
63725445
Area
1.9538169832654E+14
Altitude
18395951.412489
Surface area
1.9538169832654E+14
Volume
1.1295582144447E+21
Height
10013487.620807