20215425 is an odd 8-digits composite number following 20215424
and preceding 20215426 . In scientific notation, it is written as 2.0215425 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 10781520 positive integers (up to 20215425) that are relatively prime to 20215425.
20215425 has 12 divisors, whose sum is 33422960
The reverse of 20215425 is 52451202
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million two hundred fifteen thousand four hundred twenty-five
Scientific notation
2.0215425 × 10^7
Engineering notation
2.0215425 × 10^6
Prime Factorization
3 × 5 × 5 × 269539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
4043085
Product of the distinct prime numbers
The prime factorization of 20215425 is 3 × 5 × 5 × 269539.
Since it has a total of 4 prime factors.
1 , 6 , 2 , 94 , 456 , 928 , 3187 , 5898 , 89163 , 62047 , 322717 , 128435 , 3768313 , 55596 , 96446667 , 48963612 , 500590107 , 560056503 , 3887112355 , 5593133654
n×2
40430850
n×3
60646275
n×4
80861700
n×5
101077125
n÷2
10107712.5
n÷3
6738475
n÷3
5053856.25
n÷5
4043085
n2
408663407930625
n3
8.261304473266E+21
n4
1.6700578098147E+29
n5
3.3760928399974E+36
2 √n
4496.1566921094
3 √n
272.41287229391
4 √n
67.053386880227
5 √n
28.915890750572
1 , 3 , 5 , 15 , 25 , 75 , 269539 , 808617 , 1347695 , 4043085 , 6738475 , 20215425
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
-20215424
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 20215425 can be divided by 12 positive divisors.
The sum of these divisors (counting 20215425) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000111011010000001
3
Ternary
1102001001100110
4
Quaternary
1031013122001
5
Quinary
20133343200
6
Senary
2001141533
8
Octal
115073201
10
Decimal
20215425
12
Duodecimal
692a8a9
16
Hexadecimal
1347681
20
Vigesimal
666ib5
36
Base36
c1abl
md5
1b96f26b17aaf79b434f12cb265858d1
sha1
52ffdae567d9ad023a6a5b42bfa3d249b35036df
sha256
afa6576404242606b949fc519e346069b3e699ececa823d944fca0a0ef23ab43
sha512
ff8aa0c4a0c624d1e55ca2539eef430bd42dc210f0b9a383c1310e44a83bc27ea9764bc9b578da9f26e1c5e9c9eb28bd56c654e40e273dd83ccc8419352669a9
ripemd-160
ded8f45921ffc44db7e3bd7110b802baa099081e
Diameter
40430850
Circumference
127017261.33839
Area
1.2838539601458E+15
Volume
3.4604871256374E+22
Surface area
5.1354158405833E+15
Circumference
127017261.33839
Perimeter
80861700
Area
408663407930625
Diagonal
28588928.204136
Surface area
2451980447583750
Volume
8.261304473266E+21
Space diagonal
35014143.196598
Perimeter
60646275
Area
1.7695644643252E+14
Altitude
17507071.598299
Surface area
1.7695644643252E+14
Volume
9.7360406908219E+20
Height
9529642.734712