131445818 is an even 9-digits composite number following 131445817
and preceding 131445819 . In scientific notation, it is written as 1.31445818 × 10^8.
The sum of its digits is 35. It has a total of 4 prime factors and 16 positive divisors.
There are 56037840 positive integers (up to 131445818) that are relatively prime to 131445818.
131445818 has 16 divisors, whose sum is 226520064
The reverse of 131445818 is 818544131
Previous prime number is 191
Is Prime? no
Number parity even
Number length 9
Sum of Digits 35
Digital Root 8
Name
one hundred thirty-one million four hundred forty-five thousand eight hundred eighteen
Scientific notation
1.31445818 × 10^8
Engineering notation
1.31445818 × 10^6
Prime Factorization
2 × 7 × 191 × 49157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
131445818
Product of the distinct prime numbers
The prime factorization of 131445818 is 2 × 7 × 191 × 49157.
Since it has a total of 4 prime factors.
7 , 10 , 77 , 31 , 805 , 483 , 6890 , 6232 , 90520 , 81554 , 791163 , 395894 , 5811147 , 288306 , 65167669 , 74586324 , 111991202 , 209304458 , 2286339727 , 8874641058
n×2
262891636
n×3
394337454
n×4
525783272
n×5
657229090
n÷2
65722909
n÷3
43815272.666667
n÷3
32861454.5
n÷5
26289163.6
n2
17278003069689124
n3
2.2711212469018E+24
n4
2.9852939007619E+32
n5
3.9240439875605E+40
2 √n
11464.982250313
3 √n
508.45078768195
4 √n
107.07465736725
5 √n
42.048388356661
1 , 2 , 7 , 14 , 191 , 382 , 1337 , 2674 , 49157 , 98314 , 344099 , 688198 , 9388987 , 18777974 , 65722909 , 131445818
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-131445817
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 131445818 can be divided by 16 positive divisors.
The sum of these divisors (counting 131445818) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111110101011011010000111010
3
Ternary
100011100010202122
4
Quaternary
13311123100322
5
Quinary
232122231233
6
Senary
21013201242
8
Octal
765332072
10
Decimal
131445818
12
Duodecimal
38030222
16
Hexadecimal
7d5b43a
20
Vigesimal
211aeai
36
Base36
269c8q
md5
7a873212f48d741e8717affedaedb587
sha1
1d2e443603bb7010f3efa74d765309a8e7d24bba
sha256
50bb612ff771f0e8e647475fc43794b31358ccde55ec85abc62650b1c1b0af61
sha512
a2f5f02fc06254512fc475b7c9d52ff9f214e7eeeb63db07bc511a8c4bd191e48f9097d8195ec43776524e3b4a342ace5de0036685d3155cc365fe2b0feca347
ripemd-160
a6d604e2a1993735343b5e8d9b512d6b1648f954
Diameter
262891636
Circumference
825898432.3478
Area
5.4280447512437E+16
Volume
9.5132504329045E+24
Surface area
2.1712179004975E+17
Circumference
825898432.3478
Perimeter
525783272
Area
17278003069689124
Diagonal
185892458.53283
Surface area
103668018418134744
Volume
2.2711212469018E+24
Space diagonal
227670835.21845
Perimeter
394337454
Area
7.4815947925081E+15
Altitude
113835417.60923
Surface area
7.4815947925081E+15
Volume
2.6765420576352E+23
Height
61964152.844275