21123863 is an odd 8-digits prime number following 21123862
and preceding 21123864 . In scientific notation, it is written as 2.1123863 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 21123862 positive integers (up to 21123863) that are relatively prime to 21123863.
21123863 has 2 divisors, whose sum is 21123864
The reverse of 21123863 is 36832112
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred twenty-three thousand eight hundred sixty-three
Scientific notation
2.1123863 × 10^7
Engineering notation
2.1123863 × 10^6
Prime Factorization
21123863
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21123863
Product of the distinct prime numbers
The prime factorization of 21123863 is 21123863.
Since it has a total of 1 prime factors.
8 , 4 , 72 , 34 , 316 , 289 , 7550 , 4400 , 27397 , 14820 , 830688 , 689011 , 5622585 , 2276538 , 45967130 , 17290229 , 821335058 , 115017765 , 8164775420 , 4347567380
n×2
42247726
n×3
63371589
n×4
84495452
n×5
105619315
n÷2
10561931.5
n÷3
7041287.6666667
n÷3
5280965.75
n÷5
4224772.6
n2
446217588042769
n3
9.4258391980059E+21
n4
1.9911013587871E+29
n5
4.2059752322132E+36
2 √n
4596.0703867543
3 √n
276.43378105495
4 √n
67.794324148518
5 √n
29.171225094992
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21123864
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10561932
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4596.0704955429
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999053204
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21123863 can be divided by 2 positive divisors.
The sum of these divisors (counting 21123863) is 21123864, the average is 10561932.
Base
System
Value
2
Binary
1010000100101001100010111
3
Ternary
1110202012111022
4
Quaternary
1100211030113
5
Quinary
20401430423
6
Senary
2032431355
8
Octal
120451427
10
Decimal
21123863
12
Duodecimal
70a855b
16
Hexadecimal
1425317
20
Vigesimal
6c09d3
36
Base36
ckr9z
md5
f05c3db0199353976b82a514183b0e5c
sha1
766b19d018ef0aa0940699087f6e069e97f569ae
sha256
4a0c8a54880282cb89b5a9034c1eee9ce3849f7c9a3c20cafd292aa9fffbdf29
sha512
8b18580b47c856935e3ee784f8186b039489e228b190682fc9ab6ca4a601b3e098f302c517df548917ab528c465088f32ee484820b55f7ee96c65a5ec9164663
ripemd-160
6536ce31f335d586300906aa1cc6f7e56c2e6f7d
Diameter
42247726
Circumference
132725145.63247
Area
1.4018338964977E+15
Volume
3.9482862904499E+22
Surface area
5.6073355859909E+15
Circumference
132725145.63247
Perimeter
84495452
Area
446217588042769
Diagonal
29873653.544311
Surface area
2677305528256614
Volume
9.4258391980059E+21
Space diagonal
36587603.968124
Perimeter
63371589
Area
1.9321788343023E+14
Altitude
18293801.984062
Surface area
1.9321788343023E+14
Volume
1.1108458025473E+21
Height
9957884.5147704