125440781 is an odd 9-digits composite number following 125440780
and preceding 125440782 . In scientific notation, it is written as 1.25440781 × 10^8.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 119986812 positive integers (up to 125440781) that are relatively prime to 125440781.
125440781 has 4 divisors, whose sum is 130894752
The reverse of 125440781 is 187044521
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
one hundred twenty-five million four hundred forty thousand seven hundred eighty-one
Scientific notation
1.25440781 × 10^8
Engineering notation
1.25440781 × 10^6
Prime Factorization
23 × 5453947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
125440781
Product of the distinct prime numbers
The prime factorization of 125440781 is 23 × 5453947.
Since it has a total of 2 prime factors.
4 , 1 , 78 , 88 , 321 , 438 , 5388 , 9801 , 81405 , 27224 , 196871 , 807378 , 4076701 , 9088548 , 81238260 , 57901631 , 851694867 , 995622788 , 7799674662 , 1101799869
n×2
250881562
n×3
376322343
n×4
501763124
n×5
627203905
n÷2
62720390.5
n÷3
41813593.666667
n÷3
31360195.25
n÷5
25088156.2
n2
15735389537889961
n3
1.9738595529721E+24
n4
2.4760248390914E+32
n5
3.1059448959102E+40
2 √n
11200.034866017
3 √n
500.58701854874
4 √n
105.8302171689
5 √n
41.656976939033
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
-125440780
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 125440781 can be divided by 4 positive divisors.
The sum of these divisors (counting 125440781) is 1, the average is 0.25.
Base
System
Value
2
Binary
111011110100001001100001101
3
Ternary
22202001001101212
4
Quaternary
13132201030031
5
Quinary
224103101111
6
Senary
20240344205
8
Octal
736411415
10
Decimal
125440781
12
Duodecimal
36015065
16
Hexadecimal
77a130d
20
Vigesimal
1j401j1
36
Base36
22omq5
md5
cef016f5c70123f138311813e60a8377
sha1
3836fe2b48953336cd7b7564889400d7ffdca9e3
sha256
1b453b71bb5581474c42b825fc2392d539f5382ad8d84b2068240017266f9d54
sha512
0f307790db9ed6192af67dc92ac092408b8e1e4f5f5e4d0fba6663e5f00ad1fc9de8510dbe019ef9fa26f837f63c9eaa899482b04ef1e6c036f8bb85bf63e2e5
ripemd-160
50abc28a6fb75769bc9d023a83c952cd9e1dddc0
Diameter
250881562
Circumference
788167672.10033
Area
4.9434184173609E+16
Volume
8.2680835611138E+24
Surface area
1.9773673669444E+17
Circumference
788167672.10033
Perimeter
501763124
Area
15735389537889961
Diagonal
177400053.76487
Surface area
94412337227339766
Volume
1.9738595529721E+24
Space diagonal
217269806.03312
Perimeter
376322343
Area
6.8136235391283E+15
Altitude
108634903.01656
Surface area
6.8136235391283E+15
Volume
2.3262157916941E+23
Height
59133351.254958