20125145 is an odd 8-digits composite number following 20125144
and preceding 20125146 . In scientific notation, it is written as 2.0125145 × 10^7.
The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors.
There are 16100112 positive integers (up to 20125145) that are relatively prime to 20125145.
20125145 has 4 divisors, whose sum is 24150180
The reverse of 20125145 is 54152102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-five thousand one hundred forty-five
Scientific notation
2.0125145 × 10^7
Engineering notation
2.0125145 × 10^6
Prime Factorization
5 × 4025029
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20125145
Product of the distinct prime numbers
The prime factorization of 20125145 is 5 × 4025029.
Since it has a total of 2 prime factors.
7 , 7 , 24 , 24 , 747 , 453 , 9251 , 6647 , 1771 , 5819 , 269743 , 799295 , 6470776 , 3009845 , 32230664 , 73712877 , 549214128 , 896213334 , 1401579152 , 9367787442
n×2
40250290
n×3
60375435
n×4
80500580
n×5
100625725
n÷2
10062572.5
n÷3
6708381.6666667
n÷3
5031286.25
n÷5
4025029
n2
405021461271025
n3
8.1511156361913E+21
n4
1.6404238409012E+29
n5
3.3013767659593E+36
2 √n
4486.1057722706
3 √n
272.00674453432
4 √n
66.978397803102
5 √n
28.890017413864
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
-20125144
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 20125145 can be divided by 4 positive divisors.
The sum of these divisors (counting 20125145) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110001010111011001
3
Ternary
1101212110111202
4
Quaternary
1030301113121
5
Quinary
20123001040
6
Senary
1555203545
8
Octal
114612731
10
Decimal
20125145
12
Duodecimal
68a65b5
16
Hexadecimal
13315d9
20
Vigesimal
65fch5
36
Base36
bzcnt
md5
50e1acdcbc4dc1a1f13c0f1c8b044172
sha1
3407390598166d7567271f34e2100dc570f99fc8
sha256
450c6cf7e052756f5b24872f107518ebd5707dc2fd56cfe63a33e1405740666e
sha512
eceed672eac5cf0a46fee654e3d90d06be8e155591b4c2f73d5a6d30627f237aa31e132e969a048d5a4b0e6b18c1951aae90138e3bc4f337af9d98688b7872d9
ripemd-160
cf6085231d6ea1785adf03819d0ac040e0e40f3b
Diameter
40250290
Circumference
126450015.36886
Area
1.2724124472753E+15
Volume
3.4143313334959E+22
Surface area
5.089649789101E+15
Circumference
126450015.36886
Perimeter
80500580
Area
405021461271025
Diagonal
28461253.003725
Surface area
2430128767626150
Volume
8.1511156361913E+21
Space diagonal
34857773.649691
Perimeter
60375435
Area
1.753794372693E+14
Altitude
17428886.824845
Surface area
1.753794372693E+14
Volume
9.6061819009776E+20
Height
9487084.334575