21243615 is an odd 8-digits composite number following 21243614
and preceding 21243616 . In scientific notation, it is written as 2.1243615 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 10632960 positive integers (up to 21243615) that are relatively prime to 21243615.
21243615 has 32 divisors, whose sum is 36115200
The reverse of 21243615 is 51634212
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million two hundred forty-three thousand six hundred fifteen
Scientific notation
2.1243615 × 10^7
Engineering notation
2.1243615 × 10^6
Prime Factorization
3 × 5 × 19 × 131 × 569
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21243615
Product of the distinct prime numbers
The prime factorization of 21243615 is 3 × 5 × 19 × 131 × 569.
Since it has a total of 5 prime factors.
1 , 1 , 33 , 66 , 95 , 137 , 393 , 1518 , 29529 , 9207 , 212166 , 613931 , 5807764 , 1698793 , 98107719 , 29465621 , 135476316 , 565296008 , 9083649861 , 9961948120
n×2
42487230
n×3
63730845
n×4
84974460
n×5
106218075
n÷2
10621807.5
n÷3
7081205
n÷3
5310903.75
n÷5
4248723
n2
451291178268225
n3
9.5870560440265E+21
n4
2.0366372758272E+29
n5
4.3265538182322E+36
2 √n
4609.0796261293
3 √n
276.95516831915
4 √n
67.890202725646
5 √n
29.204224910373
1 , 3 , 5 , 15 , 19 , 57 , 95 , 131 , 285 , 393 , 569 , 655 , 1707 , 1965 , 2489 , 2845 , 7467 , 8535 , 10811 , 12445 , 32433 , 37335 , 54055 , 74539 , 162165 , 223617 , 372695 , 1118085 , 1416241 , 4248723 , 7081205 , 21243615
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
-21243614
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 21243615 can be divided by 32 positive divisors.
The sum of these divisors (counting 21243615) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001000010011011011111
3
Ternary
1110222021202120
4
Quaternary
1101002123133
5
Quinary
20414243430
6
Senary
2035154023
8
Octal
121023337
10
Decimal
21243615
12
Duodecimal
7145913
16
Hexadecimal
14426df
20
Vigesimal
6cf90f
36
Base36
cnbof
md5
41348a86c0d14495d26d34b14c55d239
sha1
d0d649acde2939294c9a2bc64b256012cd0b2483
sha256
4b8fa8d2626a306ec189c74aa1700ca34ff39f6ef766c5154608377d0f28bf2b
sha512
fb17e3f8a043ed0e1a97c4653e3fb922713e97f83f51a77e6384c7f89bdd841cd7c9a4ee75ddbc6fd2da5ce7da0f3db51a3c144af538ef1d0da7c72742afca45
ripemd-160
4a135e2ea06240175702ce32459f2ebedb705608
Diameter
42487230
Circumference
133477569.63938
Area
1.4177730502773E+15
Volume
4.0158166449957E+22
Surface area
5.6710922011093E+15
Circumference
133477569.63938
Perimeter
84974460
Area
451291178268225
Diagonal
30043008.446833
Surface area
2707747069609350
Volume
9.5870560440265E+21
Space diagonal
36795020.516432
Perimeter
63730845
Area
1.9541481244205E+14
Altitude
18397510.258216
Surface area
1.9541481244205E+14
Volume
1.1298453900578E+21
Height
10014336.148944