21248085 is an odd 8-digits composite number following 21248084
and preceding 21248086 . In scientific notation, it is written as 2.1248085 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 11312448 positive integers (up to 21248085) that are relatively prime to 21248085.
21248085 has 16 divisors, whose sum is 34056576
The reverse of 21248085 is 58084212
Previous prime number is 887
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million two hundred forty-eight thousand eighty-five
Scientific notation
2.1248085 × 10^7
Engineering notation
2.1248085 × 10^6
Prime Factorization
3 × 5 × 887 × 1597
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21248085
Product of the distinct prime numbers
The prime factorization of 21248085 is 3 × 5 × 887 × 1597.
Since it has a total of 4 prime factors.
7 , 2 , 6 , 98 , 23 , 688 , 8621 , 3725 , 84445 , 61535 , 722400 , 265117 , 6068531 , 2752881 , 28646788 , 56922513 , 968059060 , 319787864 , 835663254 , 5214785340
n×2
42496170
n×3
63744255
n×4
84992340
n×5
106240425
n÷2
10624042.5
n÷3
7082695
n÷3
5312021.25
n÷5
4249617
n2
451481116167225
n3
9.5931091322161E+21
n4
2.038351982556E+29
n5
4.3311076185269E+36
2 √n
4609.5645130533
3 √n
276.97459223831
4 √n
67.893773742909
5 √n
29.205453815146
1 , 3 , 5 , 15 , 887 , 1597 , 2661 , 4435 , 4791 , 7985 , 13305 , 23955 , 1416539 , 4249617 , 7082695 , 21248085
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
-21248084
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 21248085 can be divided by 16 positive divisors.
The sum of these divisors (counting 21248085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001000011100001010101
3
Ternary
1110222111220010
4
Quaternary
1101003201111
5
Quinary
20414414320
6
Senary
2035230433
8
Octal
121034125
10
Decimal
21248085
12
Duodecimal
7148419
16
Hexadecimal
1443855
20
Vigesimal
6cg045
36
Base36
cnf4l
md5
8d5a33704e19094461d352175cf81efb
sha1
e8d2ae19cf9653d6f7b322b6128475d038c72734
sha256
f018ad7f44215cb2240db856056b4f7839bcae17528611b21086369b64c882d7
sha512
1642ca25e50c992cf3a5cebc968dedf4d28ff85ec5c38acc3795bc507357dcaeabb0cc51401f499eae2a18df8c7a6ac0303a9d00c6a420f3284168c1849cf2e0
ripemd-160
87321f2f8a018890786492100b8a349e037d0782
Diameter
42496170
Circumference
133505655.4777
Area
1.4183697577855E+15
Volume
4.0183521566474E+22
Surface area
5.6734790311419E+15
Circumference
133505655.4777
Perimeter
84992340
Area
451481116167225
Diagonal
30049329.981456
Surface area
2708886697003350
Volume
9.5931091322161E+21
Space diagonal
36802762.783542
Perimeter
63744255
Area
1.9549705796489E+14
Altitude
18401381.391771
Surface area
1.9549705796489E+14
Volume
1.1305587533421E+21
Height
10016443.327152