20525581 is an odd 8-digits composite number following 20525580
and preceding 20525582 . In scientific notation, it is written as 2.0525581 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 20250000 positive integers (up to 20525581) that are relatively prime to 20525581.
20525581 has 8 divisors, whose sum is 20803328
The reverse of 20525581 is 18552502
Previous prime number is 181
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million five hundred twenty-five thousand five hundred eighty-one
Scientific notation
2.0525581 × 10^7
Engineering notation
2.0525581 × 10^6
Prime Factorization
151 × 181 × 751
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20525581
Product of the distinct prime numbers
The prime factorization of 20525581 is 151 × 181 × 751.
Since it has a total of 3 prime factors.
3 , 9 , 24 , 59 , 799 , 349 , 8283 , 6908 , 37175 , 39485 , 365032 , 290568 , 3962729 , 2948468 , 59325246 , 16112449 , 446690831 , 394151337 , 999773996 , 3980205362
n×2
41051162
n×3
61576743
n×4
82102324
n×5
102627905
n÷2
10262790.5
n÷3
6841860.3333333
n÷3
5131395.25
n÷5
4105116.2
n2
421299475387561
n3
8.6474165073249E+21
n4
1.7749324796183E+29
n5
3.6431520379937E+36
2 √n
4530.516637206
3 √n
273.7989761069
4 √n
67.309112586677
5 √n
29.004079832449
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20525580
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20525581 can be divided by 8 positive divisors.
The sum of these divisors (counting 20525581) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110010011001000001101
3
Ternary
1102121210210201
4
Quaternary
1032103020031
5
Quinary
20223304311
6
Senary
2011533501
8
Octal
116231015
10
Decimal
20525581
12
Duodecimal
6a5a291
16
Hexadecimal
139320d
20
Vigesimal
685dj1
36
Base36
c7xn1
md5
2685ac0871345c5490140478ecfb5794
sha1
056bc5c1c05053e13e0e1c64d9365a3b2b49e6ff
sha256
4bbc437d1995e34537fca7e89035576945c674b35904ea9993fead5f04e38de1
sha512
28ce9d05f59462cf4edc616073cde62006b02961e518c7acdfe88f649291aa8ba2de64aad195db9da72f5613271ee0c3d82140edeb86c96a54613b73472ebbd8
ripemd-160
ea2edfdb63a7da55c5996e5e1fe8ced576b395c8
Diameter
41051162
Circumference
128966028.96052
Area
1.3235513368388E+15
Volume
3.6222213562591E+22
Surface area
5.2942053473552E+15
Circumference
128966028.96052
Perimeter
82102324
Area
421299475387561
Diagonal
29027555.025788
Surface area
2527796852325366
Volume
8.6474165073249E+21
Space diagonal
35551349.14687
Perimeter
61576743
Area
1.8242802414334E+14
Altitude
17775674.573435
Surface area
1.8242802414334E+14
Volume
1.019107808679E+21
Height
9675851.6752625