21082401 is an odd 8-digits composite number following 21082400
and preceding 21082402 . In scientific notation, it is written as 2.1082401 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 14034744 positive integers (up to 21082401) that are relatively prime to 21082401.
21082401 has 8 divisors, whose sum is 23458560
The reverse of 21082401 is 10428012
Previous prime number is 983
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million eighty-two thousand four hundred one
Scientific notation
2.1082401 × 10^7
Engineering notation
2.1082401 × 10^6
Prime Factorization
9 × 983 × 2383
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21082401
Product of the distinct prime numbers
The prime factorization of 21082401 is 9 × 983 × 2383.
Since it has a total of 3 prime factors.
5 , 9 , 35 , 18 , 478 , 27 , 5453 , 7541 , 20322 , 82998 , 173368 , 626557 , 4496809 , 422389 , 33429277 , 5616543 , 326492828 , 702894114 , 3405693085 , 3823305120
n×2
42164802
n×3
63247203
n×4
84329604
n×5
105412005
n÷2
10541200.5
n÷3
7027467
n÷3
5270600.25
n÷5
4216480.2
n2
444467631924801
n3
9.3704448477591E+21
n4
1.9755147582884E+29
n5
4.1648594315654E+36
2 √n
4591.5575788614
3 √n
276.25280082881
4 √n
67.761032893998
5 √n
29.159764614897
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21082400
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21082401 can be divided by 8 positive divisors.
The sum of these divisors (counting 21082401) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011011000100100001
3
Ternary
1110200002121200
4
Quaternary
1100123010201
5
Quinary
20344114101
6
Senary
2031511413
8
Octal
120330441
10
Decimal
21082401
12
Duodecimal
7088569
16
Hexadecimal
141b121
20
Vigesimal
6bf601
36
Base36
cjva9
md5
9d144be3635ecfec82b0f10111e6739e
sha1
7922b34f20c007253f09c30b7ac901673b6c63af
sha256
a1172c85aafdd3e13e61aa443610eee5d91d844f995865b53aba4be82ca47c68
sha512
27401833b3c1bc06e21d297021bbdfd95c6f9e34c20eeee88247ff90ba4be14a74ad11b2b8ad71711964fdcd53e0460a15375e7513cba4e292fa36a941b24191
ripemd-160
04c967ab9eeaa0732bbbdbad3351200da903ca1f
Diameter
42164802
Circumference
132464632.20327
Area
1.3963362472134E+15
Volume
3.9250827592784E+22
Surface area
5.5853449888536E+15
Circumference
132464632.20327
Perimeter
84329604
Area
444467631924801
Diagonal
29815017.421588
Surface area
2666805791548806
Volume
9.3704448477591E+21
Space diagonal
36515789.677541
Perimeter
63247203
Area
1.9246013020339E+14
Altitude
18257894.83877
Surface area
1.9246013020339E+14
Volume
1.1043175157642E+21
Height
9938339.1405294