21497625 is an odd 8-digits composite number following 21497624
and preceding 21497626 . In scientific notation, it is written as 2.1497625 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 11289600 positive integers (up to 21497625) that are relatively prime to 21497625.
21497625 has 32 divisors, whose sum is 30270240
The reverse of 21497625 is 52679412
Previous prime number is 97
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million four hundred ninety-seven thousand six hundred twenty-five
Scientific notation
2.1497625 × 10^7
Engineering notation
2.1497625 × 10^6
Prime Factorization
9 × 5 × 5 × 5 × 97 × 197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
859905
Product of the distinct prime numbers
The prime factorization of 21497625 is 9 × 5 × 5 × 5 × 97 × 197.
Since it has a total of 6 prime factors.
3 , 5 , 97 , 93 , 202 , 517 , 669 , 2193 , 1757 , 32795 , 462720 , 516022 , 7503150 , 7402545 , 30982893 , 21617104 , 22423403 , 612767418 , 8542380768 , 7323565113
n×2
42995250
n×3
64492875
n×4
85990500
n×5
107488125
n÷2
10748812.5
n÷3
7165875
n÷3
5374406.25
n÷5
4299525
n2
462147880640625
n3
9.9350818325569E+21
n4
2.1358066358062E+29
n5
4.5914770129074E+36
2 √n
4636.5531378385
3 √n
278.05464912562
4 √n
68.092239923786
5 √n
29.273732270419
1 , 5 , 9 , 25 , 45 , 97 , 125 , 197 , 225 , 485 , 873 , 985 , 1125 , 1773 , 2425 , 4365 , 4925 , 8865 , 12125 , 19109 , 21825 , 24625 , 44325 , 95545 , 109125 , 171981 , 221625 , 477725 , 859905 , 2388625 , 4299525 , 21497625
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21497624
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21497625 can be divided by 32 positive divisors.
The sum of these divisors (counting 21497625) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010000000011100011001
3
Ternary
1111110012012100
4
Quaternary
1102000130121
5
Quinary
21000411000
6
Senary
2044434013
8
Octal
122003431
10
Decimal
21497625
12
Duodecimal
7248909
16
Hexadecimal
1480719
20
Vigesimal
6e7415
36
Base36
csro9
md5
acb4aa1787be51df6fa8fb367e9b48cd
sha1
829abdbef5f3bdb279718bff8f20767755662254
sha256
7141eb4d6a4b6e393b37eb84dcd3bee309deddfb44c96dc2ed2a957d058cf486
sha512
8cc0e9fc3a2a273ffd7fe02fa12555306e96ff86c5cc931c21e9763f01f5a8d07dedb12b69d236026735637190f034cad3524cf0ff5bdf386d4545a27bdc9e3d
ripemd-160
c5047905445b4e652bd328cecf8763f9988b9520
Diameter
42995250
Circumference
135073561.53926
Area
1.4518803866927E+15
Volume
4.1615973463966E+22
Surface area
5.8075215467707E+15
Circumference
135073561.53926
Perimeter
85990500
Area
462147880640625
Diagonal
30402232.833811
Surface area
2772887283843750
Volume
9.9350818325569E+21
Space diagonal
37234978.742063
Perimeter
64492875
Area
2.0011590246996E+14
Altitude
18617489.371031
Surface area
2.0011590246996E+14
Volume
1.170860622574E+21
Height
10134077.61127