21463885 is an odd 8-digits composite number following 21463884
and preceding 21463886 . In scientific notation, it is written as 2.1463885 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 16588800 positive integers (up to 21463885) that are relatively prime to 21463885.
21463885 has 16 divisors, whose sum is 26640432
The reverse of 21463885 is 58836412
Previous prime number is 641
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred sixty-three thousand eight hundred eighty-five
Scientific notation
2.1463885 × 10^7
Engineering notation
2.1463885 × 10^6
Prime Factorization
5 × 37 × 641 × 181
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21463885
Product of the distinct prime numbers
The prime factorization of 21463885 is 5 × 37 × 641 × 181.
Since it has a total of 4 prime factors.
6 , 9 , 17 , 30 , 658 , 898 , 1350 , 7818 , 11941 , 46591 , 266354 , 361725 , 5847403 , 3441163 , 75234693 , 90029297 , 862451986 , 150787602 , 3341750610 , 7154087217
n×2
42927770
n×3
64391655
n×4
85855540
n×5
107319425
n÷2
10731942.5
n÷3
7154628.3333333
n÷3
5365971.25
n÷5
4292777
n2
460698359293225
n3
9.8883766035585E+21
n4
2.1224297825547E+29
n5
4.5555588773329E+36
2 √n
4632.9132303552
3 √n
277.90910628556
4 √n
68.065506905886
5 √n
29.264537614013
1 , 5 , 37 , 181 , 185 , 641 , 905 , 3205 , 6697 , 23717 , 33485 , 116021 , 118585 , 580105 , 4292777 , 21463885
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
-21463884
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 21463885 can be divided by 16 positive divisors.
The sum of these divisors (counting 21463885) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111000001101001101
3
Ternary
1111101110220201
4
Quaternary
1101320031031
5
Quinary
20443321020
6
Senary
2044013501
8
Octal
121701515
10
Decimal
21463885
12
Duodecimal
7231291
16
Hexadecimal
147834d
20
Vigesimal
6e2je5
36
Base36
cs1n1
md5
50602361cb374fb4067cde03aa9e374e
sha1
b17591f80bfc824391b3a5d4b7fb72d2978b0d4b
sha256
fcd54ed7189f8d6ce35c2f2ff5a1996916fccadb178efe7e43acfb3a87fee77e
sha512
cac9799d2127700937b45cbbe2d899387b8354454feb97a5395ead1bb0ba28e84cc6d3dc9705732fcdbfe9bf7b3bf78e4a9e80e63c25ac7391b18d2d70588a96
ripemd-160
c5d4c0700bbc5329114668cb27c3653cd5f72374
Diameter
42927770
Circumference
134861566.86699
Area
1.4473265810765E+15
Volume
4.1420335058225E+22
Surface area
5.7893063243059E+15
Circumference
134861566.86699
Perimeter
85855540
Area
460698359293225
Diagonal
30354517.268216
Surface area
2764190155759350
Volume
9.8883766035585E+21
Space diagonal
37176539.347816
Perimeter
64391655
Area
1.9948824131487E+14
Altitude
18588269.673908
Surface area
1.9948824131487E+14
Volume
1.1653563585504E+21
Height
10118172.422739