21082971 is an odd 8-digits composite number following 21082970
and preceding 21082972 . In scientific notation, it is written as 2.1082971 × 10^7.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 10733184 positive integers (up to 21082971) that are relatively prime to 21082971.
21082971 has 8 divisors, whose sum is 21738240
The reverse of 21082971 is 17928012
Previous prime number is 39
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million eighty-two thousand nine hundred seventy-one
Scientific notation
2.1082971 × 10^7
Engineering notation
2.1082971 × 10^6
Prime Factorization
203 × 39 × 2663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21082971
Product of the distinct prime numbers
The prime factorization of 21082971 is 203 × 39 × 2663.
Since it has a total of 3 prime factors.
4 , 3 , 93 , 46 , 874 , 636 , 7321 , 1001 , 95611 , 42773 , 180028 , 996014 , 768336 , 8745313 , 65778392 , 74511516 , 920905989 , 152091573 , 6174774074 , 3064581886
n×2
42165942
n×3
63248913
n×4
84331884
n×5
105414855
n÷2
10541485.5
n÷3
7027657
n÷3
5270742.75
n÷5
4216594.2
n2
444491666186841
n3
9.3712049079588E+21
n4
1.9757284130955E+29
n5
4.1654224837169E+36
2 √n
4591.6196488821
3 √n
276.2552904674
4 √n
67.761490899198
5 √n
29.159922290354
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
-21082970
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 21082971 can be divided by 8 positive divisors.
The sum of these divisors (counting 21082971) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011011001101011011
3
Ternary
1110200010101210
4
Quaternary
1100123031123
5
Quinary
20344123341
6
Senary
2031514203
8
Octal
120331533
10
Decimal
21082971
12
Duodecimal
7088963
16
Hexadecimal
141b35b
20
Vigesimal
6bf78b
36
Base36
cjvq3
md5
8b64906cb5feca0c30bfa0ec1d54183b
sha1
4cd8ab42101ea4fe136cf84ccc1a167aee6cab84
sha256
ab86ec6e79d3e67682b71335ed7c87a5d3f24668d0fad03b92eabb82a78c9ce4
sha512
030d0134e603330558b0da0bc9d0d0a01d39870753c8c12263be97547bd0267c76914651185d683a3c55ce634096504f2756db69893e1e9ffff462ff371be2e6
ripemd-160
4bccc6ba327d57b633d8c157db47ac2760f1f3c6
Diameter
42165942
Circumference
132468213.61889
Area
1.3964117530745E+15
Volume
3.9254011325504E+22
Surface area
5.5856470122979E+15
Circumference
132468213.61889
Perimeter
84331884
Area
444491666186841
Diagonal
29815823.523319
Surface area
2666949997121046
Volume
9.3712049079588E+21
Space diagonal
36516776.946501
Perimeter
63248913
Area
1.9247053734414E+14
Altitude
18258388.473251
Surface area
1.9247053734414E+14
Volume
1.1044070897177E+21
Height
9938607.8411062