131970145 is an odd 9-digits composite number following 131970144
and preceding 131970146 . In scientific notation, it is written as 1.31970145 × 10^8.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 102997440 positive integers (up to 131970145) that are relatively prime to 131970145.
131970145 has 8 divisors, whose sum is 158431104
The reverse of 131970145 is 541079131
Previous prime number is 7747
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred thirty-one million nine hundred seventy thousand one hundred forty-five
Scientific notation
1.31970145 × 10^8
Engineering notation
1.31970145 × 10^6
Prime Factorization
5 × 7747 × 3407
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
131970145
Product of the distinct prime numbers
The prime factorization of 131970145 is 5 × 7747 × 3407.
Since it has a total of 3 prime factors.
4 , 4 , 73 , 74 , 651 , 19 , 6452 , 860 , 91979 , 15942 , 33031 , 740179 , 5461566 , 3856015 , 43656426 , 92273067 , 108443788 , 172955847 , 3959348906 , 3686837490
n×2
263940290
n×3
395910435
n×4
527880580
n×5
659850725
n÷2
65985072.5
n÷3
43990048.333333
n÷3
32992536.25
n÷5
26394029
n2
17416119171321025
n3
2.2984077723765E+24
n4
3.0332120698966E+32
n5
4.0029343668E+40
2 √n
11487.825947498
3 √n
509.12594745217
4 √n
107.18127610501
5 √n
42.081880501104
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
-131970144
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 131970145 can be divided by 8 positive divisors.
The sum of these divisors (counting 131970145) is 1, the average is 0.125.
Base
System
Value
2
Binary
111110111011011010001100001
3
Ternary
100012022210000011
4
Quaternary
13313123101201
5
Quinary
232241021040
6
Senary
21032324521
8
Octal
767332141
10
Decimal
131970145
12
Duodecimal
38243741
16
Hexadecimal
7ddb461
20
Vigesimal
214g575
36
Base36
26kktd
md5
fa0e1282aec4e5a60f779ca108a9249f
sha1
98a84521aa57e32f66b974ebf87e661a8024bbda
sha256
4565ac26516c695f200bf3f3dc2034acb5c7f846b57cedff6bf3d5ef030c711e
sha512
ecb0bce17f75b71a787f4b9971f2a63d79a7962662c9b2d43205b15587ef4de8b1efaa7126c711091d9115c1de984d210057e9d299d11d844cc23c972f7cffad
ripemd-160
38b6dea905e619b5fb7d0cd6247fba5133f9658f
Diameter
263940290
Circumference
829192876.05036
Area
5.4714352042666E+16
Volume
9.6275479635357E+24
Surface area
2.1885740817067E+17
Circumference
829192876.05036
Perimeter
527880580
Area
17416119171321025
Diagonal
186633968.88734
Surface area
104496715027926150
Volume
2.2984077723765E+24
Space diagonal
228578996.22223
Perimeter
395910435
Area
7.5414008188506E+15
Altitude
114289498.11112
Surface area
7.5414008188506E+15
Volume
2.7086995362988E+23
Height
62211322.962448