21492975 is an odd 8-digits composite number following 21492974
and preceding 21492976 . In scientific notation, it is written as 2.1492975 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 9825120 positive integers (up to 21492975) that are relatively prime to 21492975.
21492975 has 16 divisors, whose sum is 34062080
The reverse of 21492975 is 57929412
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred ninety-two thousand nine hundred seventy-five
Scientific notation
2.1492975 × 10^7
Engineering notation
2.1492975 × 10^6
Prime Factorization
25 × 7 × 3 × 40939
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21492975
Product of the distinct prime numbers
The prime factorization of 21492975 is 25 × 7 × 3 × 40939.
Since it has a total of 4 prime factors.
5 , 2 , 9 , 56 , 73 , 259 , 742 , 3826 , 99643 , 58 , 809639 , 946467 , 4838876 , 1089637 , 34523979 , 28702031 , 929058857 , 545819174 , 5416297098 , 2403543955
n×2
42985950
n×3
64478925
n×4
85971900
n×5
107464875
n÷2
10746487.5
n÷3
7164325
n÷3
5373243.75
n÷5
4298595
n2
461947974350625
n3
9.9286362640186E+21
n4
2.1339593100665E+29
n5
4.5865134102276E+36
2 √n
4636.0516606267
3 √n
278.03459966507
4 √n
68.088557486752
5 √n
29.272465761825
1 , 3 , 7 , 21 , 25 , 75 , 175 , 525 , 40939 , 122817 , 286573 , 859719 , 1023475 , 3070425 , 7164325 , 21492975
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
-21492974
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 21492975 can be divided by 16 positive divisors.
The sum of these divisors (counting 21492975) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001111111010011101111
3
Ternary
1111102221211010
4
Quaternary
1101333103233
5
Quinary
21000233400
6
Senary
2044400303
8
Octal
121772357
10
Decimal
21492975
12
Duodecimal
7246093
16
Hexadecimal
147f4ef
20
Vigesimal
6e6c8f
36
Base36
cso33
md5
ce7e889d8ef49dd9581502beab0ef171
sha1
9d8aa56bc4e5a593ee83dfd35be301e96a4b41a5
sha256
d3270e230e68d61481a49f9586eb56fb20c4e8de0756ec123d67fc18c6b5f1f5
sha512
838c675f74a059c81bb541e70cbd7995eccbcf960ccfe22f5023192952c80300a496dd72dd4e62f58e24cf0d16aaf809ee70b02edae0ef9a3bc3749caf5f3e02
ripemd-160
8a63f921dd4d8a7f73275af11c71c8426b2e73df
Diameter
42985950
Circumference
135044344.72758
Area
1.4512523625606E+15
Volume
4.1588974329608E+22
Surface area
5.8050094502424E+15
Circumference
135044344.72758
Perimeter
85971900
Area
461947974350625
Diagonal
30395656.740746
Surface area
2771687846103750
Volume
9.9286362640186E+21
Space diagonal
37226924.705808
Perimeter
64478925
Area
2.000293405072E+14
Altitude
18613462.352904
Surface area
2.000293405072E+14
Volume
1.170101005037E+21
Height
10131885.580249