125839987 is an odd 9-digits composite number following 125839986
and preceding 125839988 . In scientific notation, it is written as 1.25839987 × 10^8.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 99565200 positive integers (up to 125839987) that are relatively prime to 125839987.
125839987 has 12 divisors, whose sum is 157646496
The reverse of 125839987 is 789938521
Previous prime number is 13
Is Prime? no Number parity odd Number length 9 Sum of Digits 52 Digital Root 7
Name
one hundred twenty-five million eight hundred thirty-nine thousand nine hundred eighty-seven
Scientific notation
1.25839987 × 10^8
Engineering notation
1.25839987 × 10^6
Prime Factorization
7 × 7 × 13 × 197551
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
17977141 Product of the distinct prime numbers
The prime factorization of 125839987 is 7 × 7 × 13 × 197551.
Since it has a total of 4 prime factors.
8 , 10 , 88 , 16 , 473 , 599 , 6478 , 2500 , 91563 , 63750 , 23792 , 77969 , 7186453 , 3847600 , 9565781 , 48285206 , 924392851 , 122474387 , 9588051266 , 1883688494
n×2
251679974
n×3
377519961
n×4
503359948
n×5
629199935
n÷2
62919993.5
n÷3
41946662.333333
n÷3
31459996.75
n÷5
25167997.4
n2
15835702328160169
n3
1.9927645751115E+24
n4
2.507694682261E+32
n5
3.1556826621569E+40
2 √n11217.84235047
3 √n501.11748326832
4 √n105.91431607894
5 √n41.683457300842
1 , 7 , 13 , 49 , 91 , 637 , 197551 , 1382857 , 2568163 , 9679999 , 17977141 , 125839987
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
-125839986 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 125839987 can be divided by 12 positive divisors.
The sum of these divisors (counting 125839987) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111100000000010101001110011
3
Ternary
22202210100000021
4
Quaternary
13200002221303
5
Quinary
224203334422
6
Senary
20253104311
8
Octal
740025163
10
Decimal
125839987
12
Duodecimal
36188097
16
Hexadecimal
7802a73
20
Vigesimal
1j69jj7
36
Base36
22x6r7
md5
31e2623f3d91a850cbcf063f69e439d4
sha1
fe82729b0a0ba46a9a001ae998638dd7292b151b
sha256
401dc10cdf6fda28719b189cef75119543c3b791abe67df8bac662926386e080
sha512
6780b086fde4c74e724f3771daecc4e8533183f038fce581ac51ec603e2038bdc547008b48d8f781cf2f43fee900103a0a98a6be9f12b4dde0a46d829e9e1775
ripemd-160
d9454e3e6d88a844be2003617155d422bb7fbf00
Diameter
251679974
Circumference
790675957.37407
Area
4.9749326098583E+16
Volume
8.3472727326726E+24
Surface area
1.9899730439433E+17
Circumference
790675957.37407
Perimeter
503359948
Area
15835702328160169
Diagonal
177964616.30425
Surface area
95014213968961014
Volume
1.9927645751115E+24
Space diagonal
217961251.10781
Perimeter
377519961
Area
6.8570602514775E+15
Altitude
108980625.5539
Surface area
6.8570602514775E+15
Volume
2.3484955739495E+23
Height
59321538.768085