126431389 is an odd 9-digits composite number following 126431388
and preceding 126431390 . In scientific notation, it is written as 1.26431389 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 107374896 positive integers (up to 126431389) that are relatively prime to 126431389.
126431389 has 8 divisors, whose sum is 145819520
The reverse of 126431389 is 983134621
Previous prime number is 109
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred twenty-six million four hundred thirty-one thousand three hundred eighty-nine
Scientific notation
1.26431389 × 10^8
Engineering notation
1.26431389 × 10^6
Prime Factorization
7 × 109 × 165703
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
126431389
Product of the distinct prime numbers
The prime factorization of 126431389 is 7 × 109 × 165703.
Since it has a total of 3 prime factors.
1 , 8 , 34 , 74 , 710 , 654 , 6352 , 4198 , 16000 , 75980 , 998219 , 109582 , 2080716 , 6848747 , 32109215 , 12637647 , 243191782 , 959707077 , 2587491575 , 7643068482
n×2
252862778
n×3
379294167
n×4
505725556
n×5
632156945
n÷2
63215694.5
n÷3
42143796.333333
n÷3
31607847.25
n÷5
25286277.8
n2
15984896124469321
n3
2.0209926200374E+24
n4
2.5551690411007E+32
n5
3.2305357099617E+40
2 √n
11244.171334518
3 √n
501.90127977329
4 √n
106.03853702555
5 √n
41.722563262766
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-126431388
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 126431389 can be divided by 8 positive divisors.
The sum of these divisors (counting 126431389) is 1, the average is 0.125.
Base
System
Value
2
Binary
111100010010011000010011101
3
Ternary
22210220101021001
4
Quaternary
13202103002131
5
Quinary
224331301024
6
Senary
20313510301
8
Octal
742230235
10
Decimal
126431389
12
Duodecimal
36412391
16
Hexadecimal
789309d
20
Vigesimal
1ja3i99
36
Base36
239v31
md5
a763cf9ad3a7b01f17974a43def1ae18
sha1
9d95e8f25ad3be2fa38dcfc2867b800ded4353fe
sha256
d9a688fc01a6380b6de4e90a161e9ebf030e2b5ccf4cdfcfa6d2c1419d27c717
sha512
052c1ca9fc4cb70e78923902137b02ac57c8dc72d92aaeb5b1d85025885bde5a37a41212b8ae4b520537429cdac6cedb4ed2c8016fd4e5fb0553f00b88a064b8
ripemd-160
c68b9ba428ee83ca602f510d4dbdb8e4c9250043
Diameter
252862778
Circumference
794391845.73111
Area
5.0218032233029E+16
Volume
8.4655140907581E+24
Surface area
2.0087212893212E+17
Circumference
794391845.73111
Perimeter
505725556
Area
15984896124469321
Diagonal
178800985.03347
Surface area
95909376746815926
Volume
2.0209926200374E+24
Space diagonal
218985589.4195
Perimeter
379294167
Area
6.9216630603229E+15
Altitude
109492794.70975
Surface area
6.9216630603229E+15
Volume
2.3817626439273E+23
Height
59600328.34449