20997625 is an odd 8-digits composite number following 20997624
and preceding 20997626 . In scientific notation, it is written as 2.0997625 × 10^7.
The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors.
There are 15270000 positive integers (up to 20997625) that are relatively prime to 20997625.
20997625 has 16 divisors, whose sum is 28589184
The reverse of 20997625 is 52679902
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million nine hundred ninety-seven thousand six hundred twenty-five
Scientific notation
2.0997625 × 10^7
Engineering notation
2.0997625 × 10^6
Prime Factorization
11 × 5 × 5 × 5 × 15271
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
839905
Product of the distinct prime numbers
The prime factorization of 20997625 is 11 × 5 × 5 × 5 × 15271.
Since it has a total of 5 prime factors.
7 , 6 , 31 , 30 , 642 , 829 , 2960 , 5443 , 99869 , 78316 , 128179 , 67448 , 7762445 , 9585199 , 60361553 , 54139871 , 36967058 , 576543874 , 3915331483 , 1984768839
n×2
41995250
n×3
62992875
n×4
83990500
n×5
104988125
n÷2
10498812.5
n÷3
6999208.3333333
n÷3
5249406.25
n÷5
4199525
n2
440900255640625
n3
9.257858230346E+21
n4
1.9439303542397E+29
n5
4.0817920604442E+36
2 √n
4582.3165538841
3 √n
275.88201653978
4 √n
67.692810208205
5 √n
29.136275506235
1 , 5 , 11 , 25 , 55 , 125 , 275 , 1375 , 15271 , 76355 , 167981 , 381775 , 839905 , 1908875 , 4199525 , 20997625
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
-20997624
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 20997625 can be divided by 16 positive divisors.
The sum of these divisors (counting 20997625) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000110010111111001
3
Ternary
1110111210022211
4
Quaternary
1100012113321
5
Quinary
20333411000
6
Senary
2030015121
8
Octal
120062771
10
Decimal
20997625
12
Duodecimal
70474a1
16
Hexadecimal
14065f9
20
Vigesimal
6b4e15
36
Base36
ci1vd
md5
a5dbd62b5597784d0cde6b409e7589b6
sha1
10dca37a1366236865e4da3d722c4e6249e1d7e2
sha256
86e9600f066a9d1a3c8e48f7911a6d43dd6150782265a769c56a2c82fb42906e
sha512
e3780d9bebf8a0b1b8c3e57615084d4c4c32012095224c72cb2c0f486fed9d644a418a5512146d11a667da07e1d0490f422631a1f3c1ef6403954a95211912a5
ripemd-160
6c466aeecf6a0e6ee63cd14f9bcc3ef1376d7775
Diameter
41995250
Circumference
131931968.88567
Area
1.3851290040864E+15
Volume
3.8779225872574E+22
Surface area
5.5405160163458E+15
Circumference
131931968.88567
Perimeter
83990500
Area
440900255640625
Diagonal
29695126.052624
Surface area
2645401533843750
Volume
9.257858230346E+21
Space diagonal
36368953.338278
Perimeter
62992875
Area
1.9091541095992E+14
Altitude
18184476.669139
Surface area
1.9091541095992E+14
Volume
1.0910490556569E+21
Height
9898375.3508748