131428879 is an odd 9-digits composite number following 131428878
and preceding 131428880 . In scientific notation, it is written as 1.31428879 × 10^8.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 130964184 positive integers (up to 131428879) that are relatively prime to 131428879.
131428879 has 4 divisors, whose sum is 131893576
The reverse of 131428879 is 978824131
Previous prime number is 283
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred thirty-one million four hundred twenty-eight thousand eight hundred seventy-nine
Scientific notation
1.31428879 × 10^8
Engineering notation
1.31428879 × 10^6
Prime Factorization
283 × 464413
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
131428879
Product of the distinct prime numbers
The prime factorization of 131428879 is 283 × 464413.
Since it has a total of 2 prime factors.
10 , 9 , 4 , 6 , 943 , 679 , 9187 , 815 , 77555 , 30801 , 134868 , 420865 , 8404534 , 9188657 , 46577658 , 51690994 , 402903261 , 218634240 , 8556084500 , 6276796541
n×2
262857758
n×3
394286637
n×4
525715516
n×5
657144395
n÷2
65714439.5
n÷3
43809626.333333
n÷3
32857219.75
n÷5
26285775.8
n2
17273550235196641
n3
2.2702433437621E+24
n4
2.9837553772786E+32
n5
3.9215162444595E+40
2 √n
11464.24349881
3 √n
508.42894593754
4 √n
107.07120760881
5 √n
42.047304572668
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
-131428878
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 131428879 can be divided by 4 positive divisors.
The sum of these divisors (counting 131428879) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110101010111001000001111
3
Ternary
100011022021112021
4
Quaternary
13311113020033
5
Quinary
232121211004
6
Senary
21012551011
8
Octal
765271017
10
Decimal
131428879
12
Duodecimal
38022467
16
Hexadecimal
7d5720f
20
Vigesimal
2118c3j
36
Base36
268z67
md5
04e0b4ea98fafa0eba24b50d3afef12e
sha1
8920e9f8c7e3f1f79f7ab43004504086a156737b
sha256
999dee24dd203896a80b1c2c6df82a548a1302c194451efde5739d404b62a5f9
sha512
f8b759dbbb80d9c00b3beb36f97cfb4388b9154da38d3a0d1971805cbe78533193433b6df6a12d2ebddde7d4c6c7c10722fa48c727d600bb9b797170b90e82c0
ripemd-160
3971f672e582f2b7b05c5820d68183ab9c7e24bc
Diameter
262857758
Circumference
825792001.47188
Area
5.4266458520308E+16
Volume
9.5095730808321E+24
Surface area
2.1706583408123E+17
Circumference
825792001.47188
Perimeter
525715516
Area
17273550235196641
Diagonal
185868503.16929
Surface area
103641301411179846
Volume
2.2702433437621E+24
Space diagonal
227641496.00982
Perimeter
394286637
Area
7.4796666586135E+15
Altitude
113820748.00491
Surface area
7.4796666586135E+15
Volume
2.675507438863E+23
Height
61956167.723097