20125487 is an odd 8-digits composite number following 20125486
and preceding 20125488 . In scientific notation, it is written as 2.0125487 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 19870656 positive integers (up to 20125487) that are relatively prime to 20125487.
20125487 has 4 divisors, whose sum is 20380320
The reverse of 20125487 is 78452102
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred twenty-five thousand four hundred eighty-seven
Scientific notation
2.0125487 × 10^7
Engineering notation
2.0125487 × 10^6
Prime Factorization
79 × 254753
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20125487
Product of the distinct prime numbers
The prime factorization of 20125487 is 79 × 254753.
Since it has a total of 2 prime factors.
9 , 5 , 10 , 23 , 16 , 507 , 4577 , 1091 , 60485 , 28714 , 269689 , 517990 , 323045 , 7796157 , 73779329 , 53813375 , 293303153 , 103126667 , 4599424830 , 1433230629
n×2
40250974
n×3
60376461
n×4
80501948
n×5
100627435
n÷2
10062743.5
n÷3
6708495.6666667
n÷3
5031371.75
n÷5
4025097.4
n2
405035226987169
n3
8.1515311952723E+21
n4
1.6405353510055E+29
n5
3.3016572879701E+36
2 √n
4486.1438898011
3 √n
272.00828532288
4 √n
66.978682353426
5 √n
28.89011560266
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20125486
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20125487 can be divided by 4 positive divisors.
The sum of these divisors (counting 20125487) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001011100101111
3
Ternary
1101212110222102
4
Quaternary
1030301130233
5
Quinary
20123003422
6
Senary
1555205315
8
Octal
114613457
10
Decimal
20125487
12
Duodecimal
68a683b
16
Hexadecimal
133172f
20
Vigesimal
65fde7
36
Base36
bzcxb
md5
65f12ae84353d69217cfd698c3015f40
sha1
b4275c89a60982b376fefe7519f63c35daad1ea4
sha256
99dbd7cdc3c8755008eded20a847715934543d48e3b320bf56d84850b0aaca04
sha512
010fc304dbdeb0152b2a99bba9b6ed1657142bd3192ec478a05594e7c5e5c928b86ead1e51dd0f93c2571aab3975dcdc8900e0075e3bdc18be9489ef474d9837
ripemd-160
c53121f92a6d5f22eda7617c9e4707282fd87b37
Diameter
40250974
Circumference
126452164.21823
Area
1.272455693548E+15
Volume
3.4145054024767E+22
Surface area
5.0898227741919E+15
Circumference
126452164.21823
Perimeter
80501948
Area
405035226987169
Diagonal
28461736.664763
Surface area
2430211361923014
Volume
8.1515311952723E+21
Space diagonal
34858366.011067
Perimeter
60376461
Area
1.7538539799924E+14
Altitude
17429183.005533
Surface area
1.7538539799924E+14
Volume
9.6066716420512E+20
Height
9487245.5549211