20851525 is an odd 8-digits composite number following 20851524
and preceding 20851526 . In scientific notation, it is written as 2.0851525 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 16365440 positive integers (up to 20851525) that are relatively prime to 20851525.
20851525 has 12 divisors, whose sum is 26345412
The reverse of 20851525 is 52515802
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eight hundred fifty-one thousand five hundred twenty-five
Scientific notation
2.0851525 × 10^7
Engineering notation
2.0851525 × 10^6
Prime Factorization
5 × 5 × 53 × 15737
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4170305
Product of the distinct prime numbers
The prime factorization of 20851525 is 5 × 5 × 53 × 15737.
Since it has a total of 4 prime factors.
3 , 9 , 28 , 63 , 219 , 345 , 597 , 7497 , 56108 , 10697 , 255210 , 161628 , 1716905 , 6480966 , 11559102 , 36151036 , 539373581 , 286976705 , 8319959150 , 8554287684
n×2
41703050
n×3
62554575
n×4
83406100
n×5
104257625
n÷2
10425762.5
n÷3
6950508.3333333
n÷3
5212881.25
n÷5
4170305
n2
434786094825625
n3
9.0659531259089E+21
n4
1.8903894825372E+29
n5
3.9417503554861E+36
2 √n
4566.347008277
3 √n
275.24067085413
4 √n
67.574751263153
5 √n
29.09561655564
1 , 5 , 25 , 53 , 265 , 1325 , 15737 , 78685 , 393425 , 834061 , 4170305 , 20851525
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
-20851524
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 20851525 can be divided by 12 positive divisors.
The sum of these divisors (counting 20851525) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111100010101101000101
3
Ternary
1110020100220201
4
Quaternary
1033202231011
5
Quinary
20314222100
6
Senary
2022530501
8
Octal
117425505
10
Decimal
20851525
12
Duodecimal
6b96a31
16
Hexadecimal
13e2b45
20
Vigesimal
6a68g5
36
Base36
cex51
md5
e055640d06be37ad449496c4a5d25d98
sha1
21bf47cfb090e6988dff2e6cb30a0b21b334e8f1
sha256
c111385eb84734edc08b91e3c3eb9da363be45e015d785973e51099b5be3f36b
sha512
2f7e2eb804ee187b0d55bd6174af82cf2a64a2642bb296bfce5e65db95d19aaa8bd971de38a792c6b7b00dae575c1e639075f8c0ccb62f2b303393904ea895d8
ripemd-160
0a0f1e23b956214014d943520198b10dab87ed54
Diameter
41703050
Circumference
131013995.51229
Area
1.3659208013872E+15
Volume
3.797537565086E+22
Surface area
5.4636832055487E+15
Circumference
131013995.51229
Perimeter
83406100
Area
434786094825625
Diagonal
29488509.451162
Surface area
2608716568953750
Volume
9.0659531259089E+21
Space diagonal
36115900.715293
Perimeter
62554575
Area
1.8826790166561E+14
Altitude
18057950.357646
Surface area
1.8826790166561E+14
Volume
1.0684328222083E+21
Height
9829503.1503872