21863946 is an even 8-digits composite number following 21863945
and preceding 21863947 . In scientific notation, it is written as 2.1863946 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 6372864 positive integers (up to 21863946) that are relatively prime to 21863946.
21863946 has 16 divisors, whose sum is 43907904
The reverse of 21863946 is 64936812
Previous prime number is 247
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million eight hundred sixty-three thousand nine hundred forty-six
Scientific notation
2.1863946 × 10^7
Engineering notation
2.1863946 × 10^6
Prime Factorization
2 × 3 × 247 × 14753
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21863946
Product of the distinct prime numbers
The prime factorization of 21863946 is 2 × 3 × 247 × 14753.
Since it has a total of 4 prime factors.
10 , 5 , 14 , 65 , 17 , 387 , 2849 , 8787 , 12642 , 31886 , 149464 , 343218 , 3901276 , 1401936 , 73075242 , 89506350 , 308805967 , 902732544 , 1509408400 , 7823422466
n×2
43727892
n×3
65591838
n×4
87455784
n×5
109319730
n÷2
10931973
n÷3
7287982
n÷3
5465986.5
n÷5
4372789.2
n2
478032134690916
n3
1.0451668779147E+22
n4
2.2851472179715E+29
n5
4.996233537578E+36
2 √n
4675.8898618338
3 √n
279.62511905901
4 √n
68.380478660461
5 √n
29.372824417974
1 , 2 , 3 , 6 , 247 , 494 , 741 , 1482 , 14753 , 29506 , 44259 , 88518 , 3643991 , 7287982 , 10931973 , 21863946
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
-21863945
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 21863946 can be divided by 16 positive divisors.
The sum of these divisors (counting 21863946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010011011001111000001010
3
Ternary
1112010210200210
4
Quaternary
1103121320022
5
Quinary
21044121241
6
Senary
2100341550
8
Octal
123317012
10
Decimal
21863946
12
Duodecimal
73a48b6
16
Hexadecimal
14d9e0a
20
Vigesimal
6gcjh6
36
Base36
d0mbu
md5
744deb19fbc6fbf6f02509b8f18487b8
sha1
383f9af34a38e82ad09eb0cf6473a6045076f9e5
sha256
0b635d20b61c720c6f09b2729638881d3ae7953d3894afce8f5c000bc60a5de8
sha512
c6068ff2312933a74f0170176d1ed470eff2faaf8906bf2d7eedae8efd749cb8a8e8330f808991740d74b6cf6d99d54fcdda104aa692fc6a20ae778880196546
ripemd-160
0369917fcba389605bec0079101bd329d9ed511f
Diameter
43727892
Circumference
137375224.26417
Area
1.5017822425248E+15
Volume
4.3779847805762E+22
Surface area
6.0071289700993E+15
Circumference
137375224.26417
Perimeter
87455784
Area
478032134690916
Diagonal
30920288.960193
Surface area
2868192808145496
Volume
1.0451668779147E+22
Space diagonal
37869465.325942
Perimeter
65591838
Area
2.0699398623382E+14
Altitude
18934732.662971
Surface area
2.0699398623382E+14
Volume
1.2317409780751E+21
Height
10306762.986731