21082486 is an even 8-digits composite number following 21082485
and preceding 21082487 . In scientific notation, it is written as 2.1082486 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 10541242 positive integers (up to 21082486) that are relatively prime to 21082486.
21082486 has 4 divisors, whose sum is 31623732
The reverse of 21082486 is 68428012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eighty-two thousand four hundred eighty-six
Scientific notation
2.1082486 × 10^7
Engineering notation
2.1082486 × 10^6
Prime Factorization
2 × 10541243
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21082486
Product of the distinct prime numbers
The prime factorization of 21082486 is 2 × 10541243.
Since it has a total of 2 prime factors.
2 , 7 , 34 , 50 , 928 , 981 , 2143 , 7568 , 56971 , 54849 , 534257 , 793094 , 8551865 , 1940094 , 78423514 , 96953095 , 817020337 , 730917103 , 7548138464 , 5561481713
n×2
42164972
n×3
63247458
n×4
84329944
n×5
105412430
n÷2
10541243
n÷3
7027495.3333333
n÷3
5270621.5
n÷5
4216497.2
n2
444471215940196
n3
9.3705581874622E+21
n4
1.9755466179936E+29
n5
4.1649433916197E+36
2 √n
4591.5668349704
3 √n
276.25317209355
4 √n
67.761101193608
5 √n
29.15978812812
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21082485
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21082486 can be divided by 4 positive divisors.
The sum of these divisors (counting 21082486) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011011000101110110
3
Ternary
1110200002201211
4
Quaternary
1100123011312
5
Quinary
20344114421
6
Senary
2031512034
8
Octal
120330566
10
Decimal
21082486
12
Duodecimal
708861a
16
Hexadecimal
141b176
20
Vigesimal
6bf646
36
Base36
cjvcm
md5
d0ddc719dd2ad06a027921b8b04347f9
sha1
318f583795407c002934202307b81fe6afaadf53
sha256
58193a2345561be0a9fb91d0ebfcccfa24370bc65d516ea9524936561618a072
sha512
527e0a210bf6457701c712d87695d24aeb0f9dd3837f4904a1d29156b8d844bc21c7010a385986658efa18ff6b7abb280a59c1e0e8f95ba94968731608a2f5dc
ripemd-160
42cc7574386116ee03d247e1e21e29eeda2755c9
Diameter
42164972
Circumference
132465166.27402
Area
1.3963475067298E+15
Volume
3.9251302349022E+22
Surface area
5.5853900269194E+15
Circumference
132465166.27402
Perimeter
84329944
Area
444471215940196
Diagonal
29815137.629741
Surface area
2666827295641176
Volume
9.3705581874622E+21
Space diagonal
36515936.90186
Perimeter
63247458
Area
1.9246168212758E+14
Altitude
18257968.45093
Surface area
1.9246168212758E+14
Volume
1.1043308729763E+21
Height
9938379.2099136