20210725 is an odd 8-digits composite number following 20210724
and preceding 20210726 . In scientific notation, it is written as 2.0210725 × 10^7.
The sum of its digits is 19. It has a total of 4 prime factors and 12 positive divisors.
There are 16071680 positive integers (up to 20210725) that are relatively prime to 20210725.
20210725 has 12 divisors, whose sum is 25211556
The reverse of 20210725 is 52701202
Previous prime number is 173
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million two hundred ten thousand seven hundred twenty-five
Scientific notation
2.0210725 × 10^7
Engineering notation
2.0210725 × 10^6
Prime Factorization
5 × 5 × 173 × 4673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4042145
Product of the distinct prime numbers
The prime factorization of 20210725 is 5 × 5 × 173 × 4673.
Since it has a total of 4 prime factors.
5 , 2 , 89 , 54 , 729 , 171 , 2115 , 9436 , 30220 , 21271 , 55215 , 11496 , 2993905 , 2724945 , 50715135 , 61790355 , 876690125 , 862237040 , 7483388611 , 2222190440
n×2
40421450
n×3
60632175
n×4
80842900
n×5
101053625
n÷2
10105362.5
n÷3
6736908.3333333
n÷3
5052681.25
n÷5
4042145
n2
408473405025625
n3
8.2555436587865E+21
n4
1.6685052261323E+29
n5
3.3721700286422E+36
2 √n
4495.6339931093
3 √n
272.39175904768
4 √n
67.049489133843
5 √n
28.914546061285
1 , 5 , 25 , 173 , 865 , 4325 , 4673 , 23365 , 116825 , 808429 , 4042145 , 20210725
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20210724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20210725 can be divided by 12 positive divisors.
The sum of these divisors (counting 20210725) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000110010000100101
3
Ternary
1102000210220101
4
Quaternary
1031012100211
5
Quinary
20133220400
6
Senary
2001104101
8
Octal
115062045
10
Decimal
20210725
12
Duodecimal
6928031
16
Hexadecimal
1346425
20
Vigesimal
6666g5
36
Base36
c16p1
md5
fe2fdc07c3e2381dfd9d796e02e2b98e
sha1
431390e49cf9a8d37620cf183dde569150ab4c01
sha256
adf6f6f47518c9401be494e586b2f926b3ca92fbbcf387e83472696dd550b188
sha512
9af7f27501be513c197fa02e73697ebdcb23a981c20f2716012b7da182cb68e5257c8eeb2eb5f5f607854e70a55a9feb738810cf2fd6dc325fcbdaae16bf0a90
ripemd-160
2f5ddcc7a609be422b287c253dd33d3deff2742d
Diameter
40421450
Circumference
126987730.36745
Area
1.2832570484153E+15
Volume
3.4580740413111E+22
Surface area
5.1330281936612E+15
Circumference
126987730.36745
Perimeter
80842900
Area
408473405025625
Diagonal
28582281.400393
Surface area
2450840430153750
Volume
8.2555436587865E+21
Space diagonal
35006002.557802
Perimeter
60632175
Area
1.7687417276126E+14
Altitude
17503001.278901
Surface area
1.7687417276126E+14
Volume
9.7292515058493E+20
Height
9527427.1334643