131489161 is an odd 9-digits composite number following 131489160
and preceding 131489162 . In scientific notation, it is written as 1.31489161 × 10^8.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 126955024 positive integers (up to 131489161) that are relatively prime to 131489161.
131489161 has 4 divisors, whose sum is 136023300
The reverse of 131489161 is 161984131
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
one hundred thirty-one million four hundred eighty-nine thousand one hundred sixty-one
Scientific notation
1.31489161 × 10^8
Engineering notation
1.31489161 × 10^6
Prime Factorization
29 × 4534109
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
131489161
Product of the distinct prime numbers
The prime factorization of 131489161 is 29 × 4534109.
Since it has a total of 2 prime factors.
7 , 7 , 88 , 34 , 766 , 112 , 8471 , 3613 , 81953 , 39104 , 12127 , 211424 , 7379505 , 5165710 , 49287637 , 64664930 , 762928502 , 256411295 , 1172030672 , 9985429955
n×2
262978322
n×3
394467483
n×4
525956644
n×5
657445805
n÷2
65744580.5
n÷3
43829720.333333
n÷3
32872290.25
n÷5
26297832.2
n2
17289399460483921
n3
2.2733686292529E+24
n4
2.9892333370418E+32
n5
3.9305178352086E+40
2 √n
11466.872328582
3 √n
508.50666713358
4 √n
107.08348298679
5 √n
42.05116100168
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
-131489160
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 131489161 can be divided by 4 positive divisors.
The sum of these divisors (counting 131489161) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110101100101110110001001
3
Ternary
100011102100012221
4
Quaternary
13311211312021
5
Quinary
232130123121
6
Senary
21014134041
8
Octal
765456611
10
Decimal
131489161
12
Duodecimal
38051321
16
Hexadecimal
7d65d89
20
Vigesimal
211g2i1
36
Base36
26a9op
md5
dcbe3953d08a71c0df6c7e3098b5becc
sha1
1b63a7db809964f86c3cc244227f3825c4c724ca
sha256
9e34dbe3ad5477299a4c9fa87d36c5eeef9bb6620c09497d7e163559e9e6e996
sha512
75ecd5e5f2fe0c72dbe93a686a908f9667cba8c52d299f7d879a3150524b77c2d8bd11944177e228842c490a3e53e8f5c8bb5e44f7cb48232833fdcc3149cb6d
ripemd-160
a1e5e11a3d9aa2444a5da8105e6e6e4204b11db5
Diameter
262978322
Circumference
826170764.44857
Area
5.4316250330036E+16
Volume
9.5226642460831E+24
Surface area
2.1726500132014E+17
Circumference
826170764.44857
Perimeter
525956644
Area
17289399460483921
Diagonal
185953754.79126
Surface area
103736396762903526
Volume
2.2733686292529E+24
Space diagonal
227745907.4966
Perimeter
394467483
Area
7.486529574478E+15
Altitude
113872953.7483
Surface area
7.486529574478E+15
Volume
2.6791906231358E+23
Height
61984584.93042