21298085 is an odd 8-digits composite number following 21298084
and preceding 21298086 . In scientific notation, it is written as 2.1298085 × 10^7.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 16398720 positive integers (up to 21298085) that are relatively prime to 21298085.
21298085 has 16 divisors, whose sum is 26526720
The reverse of 21298085 is 58089212
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million two hundred ninety-eight thousand eighty-five
Scientific notation
2.1298085 × 10^7
Engineering notation
2.1298085 × 10^6
Prime Factorization
5 × 313 × 31 × 439
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21298085
Product of the distinct prime numbers
The prime factorization of 21298085 is 5 × 313 × 31 × 439.
Since it has a total of 4 prime factors.
4 , 1 , 81 , 82 , 824 , 356 , 7911 , 2775 , 71203 , 14486 , 358698 , 579670 , 8318046 , 268558 , 68604250 , 75915193 , 515607385 , 545563982 , 9238008293 , 7777837584
n×2
42596170
n×3
63894255
n×4
85192340
n×5
106490425
n÷2
10649042.5
n÷3
7099361.6666667
n÷3
5324521.25
n÷5
4259617
n2
453608424667225
n3
9.6609907852787E+21
n4
2.0576060292908E+29
n5
4.3823068108348E+36
2 √n
4614.9848320444
3 √n
277.19167660243
4 √n
67.933679659241
5 √n
29.219185877401
1 , 5 , 31 , 155 , 313 , 439 , 1565 , 2195 , 9703 , 13609 , 48515 , 68045 , 137407 , 687035 , 4259617 , 21298085
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
-21298084
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 21298085 can be divided by 16 positive divisors.
The sum of these divisors (counting 21298085) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001111101110100101
3
Ternary
1111002001110222
4
Quaternary
1101033232211
5
Quinary
20423014320
6
Senary
2040254125
8
Octal
121175645
10
Decimal
21298085
12
Duodecimal
7171345
16
Hexadecimal
144fba5
20
Vigesimal
6d2545
36
Base36
cohph
md5
a1e85eb6c19d71f474f412dfc71b5dd7
sha1
d5b931680b5c56725894515a4d982ded20b4d0fc
sha256
488e04e970c9249206fd62c6112442af3edfce5e50c106c0f878b97bfd24d63c
sha512
551eac616d370d3523640964569fc5e1bc893750a3c1640452f2b51f6690373c7b2edd45abc39cbab0ae134c4f5b80bc5426786fd3e1fc20f53cabdfe20a5912
ripemd-160
99c514950d5528d23cf5bf62b17761f275a1a901
Diameter
42596170
Circumference
133819814.74306
Area
1.425052894541E+15
Volume
4.0467863569907E+22
Surface area
5.700211578164E+15
Circumference
133819814.74306
Perimeter
85192340
Area
453608424667225
Diagonal
30120040.659575
Surface area
2721650548003350
Volume
9.6609907852787E+21
Space diagonal
36889365.323921
Perimeter
63894255
Area
1.9641820956623E+14
Altitude
18444682.66196
Surface area
1.9641820956623E+14
Volume
1.1385586828752E+21
Height
10040013.553192