21463887 is an odd 8-digits composite number following 21463886
and preceding 21463888 . In scientific notation, it is written as 2.1463887 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 13802880 positive integers (up to 21463887) that are relatively prime to 21463887.
21463887 has 16 divisors, whose sum is 29649888
The reverse of 21463887 is 78836412
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred sixty-three thousand eight hundred eighty-seven
Scientific notation
2.1463887 × 10^7
Engineering notation
2.1463887 × 10^6
Prime Factorization
3 × 61 × 53 × 2213
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21463887
Product of the distinct prime numbers
The prime factorization of 21463887 is 3 × 61 × 53 × 2213.
Since it has a total of 4 prime factors.
3 , 7 , 87 , 59 , 701 , 235 , 883 , 1704 , 64823 , 85779 , 506934 , 864068 , 4755483 , 2943454 , 64185557 , 20226557 , 844092592 , 612745253 , 8131075664 , 7219812782
n×2
42927774
n×3
64391661
n×4
85855548
n×5
107319435
n÷2
10731943.5
n÷3
7154629
n÷3
5365971.75
n÷5
4292777.4
n2
460698445148769
n3
9.8883793677489E+21
n4
2.1224305736249E+29
n5
4.5555609997631E+36
2 √n
4632.9134462021
3 √n
277.9091149174
4 √n
68.065508491468
5 √n
29.264538159385
1 , 3 , 53 , 61 , 159 , 183 , 2213 , 3233 , 6639 , 9699 , 117289 , 134993 , 351867 , 404979 , 7154629 , 21463887
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
-21463886
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 21463887 can be divided by 16 positive divisors.
The sum of these divisors (counting 21463887) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111000001101001111
3
Ternary
1111101110220210
4
Quaternary
1101320031033
5
Quinary
20443321022
6
Senary
2044013503
8
Octal
121701517
10
Decimal
21463887
12
Duodecimal
7231293
16
Hexadecimal
147834f
20
Vigesimal
6e2je7
36
Base36
cs1n3
md5
7ebec17366a38e1a55283da4a8e6435f
sha1
2695aef7c5a8e378f54eb0701ec8a913110f4a36
sha256
5a7d2fbf9375fd95ef07bc2aa5172473bb4d565cf625b4a8cb9e42e7ed7301a6
sha512
6d4619455a4848b7c41c40eb4fee13269bd1b40373d3359bb6a4fe7526bc3d76f358da55efe1d03e7c6ce8984d1b41b1f5004e760cedc7f7d1d9724ad28a9095
ripemd-160
099f5238ff61bc215b4e49d3126587a02aa8ad32
Diameter
42927774
Circumference
134861579.43336
Area
1.4473268507996E+15
Volume
4.1420346636838E+22
Surface area
5.7893074031985E+15
Circumference
134861579.43336
Perimeter
85855548
Area
460698445148769
Diagonal
30354520.096644
Surface area
2764190670892614
Volume
9.8883793677489E+21
Space diagonal
37176542.811917
Perimeter
64391661
Area
1.9948827849141E+14
Altitude
18588271.405959
Surface area
1.9948827849141E+14
Volume
1.1653566843134E+21
Height
10118173.365548