21490875 is an odd 8-digits composite number following 21490874
and preceding 21490876 . In scientific notation, it is written as 2.1490875 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 9820800 positive integers (up to 21490875) that are relatively prime to 21490875.
21490875 has 16 divisors, whose sum is 30750720
The reverse of 21490875 is 57809412
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million four hundred ninety thousand eight hundred seventy-five
Scientific notation
2.1490875 × 10^7
Engineering notation
2.1490875 × 10^6
Prime Factorization
175 × 15 × 3 × 2729
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21490875
Product of the distinct prime numbers
The prime factorization of 21490875 is 175 × 15 × 3 × 2729.
Since it has a total of 4 prime factors.
8 , 5 , 89 , 38 , 211 , 247 , 5877 , 8356 , 19692 , 3547 , 542589 , 497114 , 5630962 , 2167993 , 96020064 , 35525358 , 913975021 , 478865502 , 7138161053 , 3896981622
n×2
42981750
n×3
64472625
n×4
85963500
n×5
107454375
n÷2
10745437.5
n÷3
7163625
n÷3
5372718.75
n÷5
4298175
n2
461857708265625
n3
9.925726276123E+21
n4
2.1331254268438E+29
n5
4.5842731907621E+36
2 √n
4635.825169266
3 √n
278.0255441221
4 √n
68.086894254812
5 √n
29.271893718348
1 , 3 , 15 , 45 , 175 , 525 , 2625 , 2729 , 7875 , 8187 , 40935 , 122805 , 477575 , 1432725 , 7163625 , 21490875
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
-21490874
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 21490875 can be divided by 16 positive divisors.
The sum of these divisors (counting 21490875) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111110110010111011
3
Ternary
1111102211221100
4
Quaternary
1101332302323
5
Quinary
21000202000
6
Senary
2044342443
8
Octal
121766273
10
Decimal
21490875
12
Duodecimal
7244a23
16
Hexadecimal
147ecbb
20
Vigesimal
6e673f
36
Base36
csmgr
md5
d234f3af1671d469795c2a30f85d3cfd
sha1
60073f802b2209286f94584ebed449359a06ff28
sha256
2160ca16bdaa17a7f528991f10fc46fa6efae67b107354e7e11844a631890900
sha512
3439cf0313429c5c684a5f43b8f3d34a7139b99f8d8b2fbdb829e58084d17321b51946619c32b59839a54ccc0e7690bc5d13a068a47b099d7f6b0d75d485ce84
ripemd-160
5e401f7eaac2b92d9ddc7b866237215a97b7852a
Diameter
42981750
Circumference
135031150.03843
Area
1.4509687832911E+15
Volume
4.1576785000815E+22
Surface area
5.8038751331644E+15
Circumference
135031150.03843
Perimeter
85963500
Area
461857708265625
Diagonal
30392686.892265
Surface area
2771146249593750
Volume
9.925726276123E+21
Space diagonal
37223287.399112
Perimeter
64472625
Area
1.9999025414585E+14
Altitude
18611643.699556
Surface area
1.9999025414585E+14
Volume
1.1697580596747E+21
Height
10130895.630755