125837991 is an odd 9-digits composite number following 125837990
and preceding 125837992 . In scientific notation, it is written as 1.25837991 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 80241480 positive integers (up to 125837991) that are relatively prime to 125837991.
125837991 has 12 divisors, whose sum is 146168960
The reverse of 125837991 is 199738521
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred twenty-five million eight hundred thirty-seven thousand nine hundred ninety-one
Scientific notation
1.25837991 × 10^8
Engineering notation
1.25837991 × 10^6
Prime Factorization
9 × 23 × 23 × 26431
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5471217
Product of the distinct prime numbers
The prime factorization of 125837991 is 9 × 23 × 23 × 26431.
Since it has a total of 4 prime factors.
9 , 5 , 16 , 81 , 868 , 467 , 6488 , 366 , 35999 , 1236 , 431338 , 534661 , 4504385 , 4681007 , 73714100 , 36422605 , 969107439 , 270692882 , 7432642509 , 2064607595
n×2
251675982
n×3
377513973
n×4
503351964
n×5
629189955
n÷2
62918995.5
n÷3
41945997
n÷3
31459497.75
n÷5
25167598.2
n2
15835199978916081
n3
1.99266975243E+24
n4
2.5075355837226E+32
n5
3.1554324021667E+40
2 √n
11217.753384702
3 √n
501.1148337772
4 √n
105.91389608877
5 √n
41.683325068298
1 , 9 , 23 , 207 , 529 , 4761 , 26431 , 237879 , 607913 , 5471217 , 13981999 , 125837991
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
-125837990
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 125837991 can be divided by 12 positive divisors.
The sum of these divisors (counting 125837991) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111100000000010001010100111
3
Ternary
22202210020021100
4
Quaternary
13200002022213
5
Quinary
224203303431
6
Senary
20253051143
8
Octal
740021247
10
Decimal
125837991
12
Duodecimal
36186ab3
16
Hexadecimal
78022a7
20
Vigesimal
1j69ejb
36
Base36
22x57r
md5
226a587688449ad5641451fba66ed173
sha1
da0feaecbfd61b343fffaa99469b2fae9b19e516
sha256
c945b5fa5a063de3dd991d3ca94998c7a7c838917c05bbfcf246acbce3685c62
sha512
309059bd4c68d321696d8bf8468790d103b4e608288fe5d821fd91dfe7f890f9ebf374531e874fa554bd19da5a813c9e3fc589ffe79c434e0b2425417245099a
ripemd-160
61dd04ff0bd4f9acfa694a41ce9b76d1c05ba93b
Diameter
251675982
Circumference
790663416.1362
Area
4.9747747921888E+16
Volume
8.3468755403531E+24
Surface area
1.9899099168755E+17
Circumference
790663416.1362
Perimeter
503351964
Area
15835199978916081
Diagonal
177961793.53398
Surface area
95011199873496486
Volume
1.99266975243E+24
Space diagonal
217957793.9344
Perimeter
377513973
Area
6.8568427278741E+15
Altitude
108978896.9672
Surface area
6.8568427278741E+15
Volume
2.3483838243477E+23
Height
59320597.844661