21243863 is an odd 8-digits composite number following 21243862
and preceding 21243864 . In scientific notation, it is written as 2.1243863 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 18816000 positive integers (up to 21243863) that are relatively prime to 21243863.
21243863 has 16 divisors, whose sum is 23859360
The reverse of 21243863 is 36834212
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million two hundred forty-three thousand eight hundred sixty-three
Scientific notation
2.1243863 × 10^7
Engineering notation
2.1243863 × 10^6
Prime Factorization
17 × 41 × 29 × 1051
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21243863
Product of the distinct prime numbers
The prime factorization of 21243863 is 17 × 41 × 29 × 1051.
Since it has a total of 4 prime factors.
7 , 7 , 27 , 28 , 742 , 960 , 5828 , 7229 , 54743 , 38798 , 455387 , 449888 , 639294 , 5379833 , 42187095 , 83705715 , 370492179 , 331023089 , 1660207269 , 6133247921
n×2
42487726
n×3
63731589
n×4
84975452
n×5
106219315
n÷2
10621931.5
n÷3
7081287.6666667
n÷3
5310965.75
n÷5
4248772.6
n2
451301715162769
n3
9.5873918085829E+21
n4
2.0367323810886E+29
n5
4.3268063671509E+36
2 √n
4609.1065294697
3 √n
276.95624604869
4 √n
67.890400863964
5 √n
29.204293096639
1 , 17 , 29 , 41 , 493 , 697 , 1051 , 1189 , 17867 , 20213 , 30479 , 43091 , 518143 , 732547 , 1249639 , 21243863
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
-21243862
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 21243863 can be divided by 16 positive divisors.
The sum of these divisors (counting 21243863) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000010011111010111
3
Ternary
1110222022002202
4
Quaternary
1101002133113
5
Quinary
20414300423
6
Senary
2035155115
8
Octal
121023727
10
Decimal
21243863
12
Duodecimal
7145a9b
16
Hexadecimal
14427d7
20
Vigesimal
6cf9d3
36
Base36
cnbvb
md5
79d0e8d822f40fd10eade1bc1bfa892f
sha1
bc67ba0ea6af84bff9215cbe1330f72ad22454d9
sha256
f32971a3b953b82353aea3c457b45f2ebf3c1342fc3fc00efd606a01de3dc20a
sha512
ff5a88024819787b206a7eff55b6dcf6543ee2c1ad2da4b571a59dfdea53d861b52e1158f046edadd2fb6096a73195363e003e2057b2af108872fd9dc36bb035
ripemd-160
3be937eba783e96e2cdcd3187f1d235a2833ef18
Diameter
42487726
Circumference
133479127.86934
Area
1.4178061529078E+15
Volume
4.0159572897241E+22
Surface area
5.6712246116313E+15
Circumference
133479127.86934
Perimeter
84975452
Area
451301715162769
Diagonal
30043359.171796
Surface area
2707810290976614
Volume
9.5873918085829E+21
Space diagonal
36795450.065033
Perimeter
63731589
Area
1.9541937505122E+14
Altitude
18397725.032516
Surface area
1.9541937505122E+14
Volume
1.1298849602902E+21
Height
10014453.057265