20285725 is an odd 8-digits composite number following 20285724
and preceding 20285726 . In scientific notation, it is written as 2.0285725 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 6 positive divisors.
There are 16228560 positive integers (up to 20285725) that are relatively prime to 20285725.
20285725 has 6 divisors, whose sum is 25154330
The reverse of 20285725 is 52758202
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million two hundred eighty-five thousand seven hundred twenty-five
Scientific notation
2.0285725 × 10^7
Engineering notation
2.0285725 × 10^6
Prime Factorization
5 × 5 × 811429
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
4057145
Product of the distinct prime numbers
The prime factorization of 20285725 is 5 × 5 × 811429.
Since it has a total of 3 prime factors.
4 , 4 , 76 , 23 , 512 , 721 , 6094 , 6584 , 38926 , 12758 , 620429 , 17794 , 9516657 , 2572688 , 40680637 , 53221212 , 784903660 , 797877954 , 2932390555 , 8323404586
n×2
40571450
n×3
60857175
n×4
81142900
n×5
101428625
n÷2
10142862.5
n÷3
6761908.3333333
n÷3
5071431.25
n÷5
4057145
n2
411510638775625
n3
8.3477916527767E+21
n4
1.6934100582552E+29
n5
3.4352050754E+36
2 √n
4503.967695266
3 √n
272.72828274037
4 √n
67.111606263492
5 √n
28.935974081632
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20285724
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20285725 can be divided by 6 positive divisors.
The sum of these divisors (counting 20285725) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1001101011000100100011101
3
Ternary
1102011121210011
4
Quaternary
1031120210131
5
Quinary
20143120400
6
Senary
2002443221
8
Octal
115304435
10
Decimal
20285725
12
Duodecimal
6963511
16
Hexadecimal
135891d
20
Vigesimal
66fe65
36
Base36
c2skd
md5
6f7d2a3a37a227ab013a2aef9793b19a
sha1
7bd570d14d4096b614ad36d9d5a5c6078e8638bd
sha256
f63eef63685252088b862d17b2cfd7468ea07f5df12b4159dba8fbf3435f51ac
sha512
ea0792062c2f5b87a0287f1f50dd82872dfd443baddd296100bac6307a988a811da2437f0e275819c989b7a48ab26800e8e2e6408bae3dcb2a2ee44dc3cabe1d
ripemd-160
aecf89b1f8b94ffd6f4e080a1afbf29f2fff9f6a
Diameter
40571450
Circumference
127458969.26549
Area
1.2927987996515E+15
Volume
3.4967147906748E+22
Surface area
5.1711951986062E+15
Circumference
127458969.26549
Perimeter
81142900
Area
411510638775625
Diagonal
28688347.417571
Surface area
2469063832653750
Volume
8.3477916527767E+21
Space diagonal
35135906.36837
Perimeter
60857175
Area
1.7818933355363E+14
Altitude
17567953.184185
Surface area
1.7818933355363E+14
Volume
9.8379668093514E+20
Height
9562782.4725237