90131945 is an odd 8-digits composite number following 90131944
and preceding 90131946 . In scientific notation, it is written as 9.0131945 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 71727280 positive integers (up to 90131945) that are relatively prime to 90131945.
90131945 has 8 divisors, whose sum is 108725760
The reverse of 90131945 is 54913109
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
ninety million one hundred thirty-one thousand nine hundred forty-five
Scientific notation
9.0131945 × 10^7
Engineering notation
9.0131945 × 10^6
Prime Factorization
5 × 191 × 94379
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
90131945
Product of the distinct prime numbers
The prime factorization of 90131945 is 5 × 191 × 94379.
Since it has a total of 3 prime factors.
9 , 5 , 85 , 74 , 415 , 963 , 6238 , 674 , 3552 , 90328 , 778409 , 720601 , 4198341 , 5225467 , 35271817 , 29344657 , 222472223 , 28606251 , 745015493 , 5719758867
n×2
180263890
n×3
270395835
n×4
360527780
n×5
450659725
n÷2
45065972.5
n÷3
30043981.666667
n÷3
22532986.25
n÷5
18026389
n2
8123767509483025
n3
7.3221096635751E+23
n4
6.5995598548132E+31
n5
5.9483116585823E+39
2 √n
9493.7845456909
3 √n
448.35936733178
4 √n
97.436053623343
5 √n
38.992021257084
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
-90131944
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 90131945 can be divided by 8 positive divisors.
The sum of these divisors (counting 90131945) is 1, the average is 0.125.
Base
System
Value
2
Binary
101010111110100110111101001
3
Ternary
20021121011210012
4
Quaternary
11113310313221
5
Quinary
141033210240
6
Senary
12535501305
8
Octal
527646751
10
Decimal
90131945
12
Duodecimal
26227835
16
Hexadecimal
55f4de9
20
Vigesimal
18369h5
36
Base36
1hnu95
md5
95f61276d710862ea57e7dc2c9b35de9
sha1
cc85462dca42416515749f55ae065a9ad6ff7475
sha256
d4e68948d48296bf3b03afbf67deab29b43b0ee3275473d897f7bd4d4f01261d
sha512
db569c581aaf772a19e8d452a59c97c62d5af7abc5ec4efa6ea7087afd9317d5bbdd787eb75217880252a571328c99169d4d738fcd6428f16dbe60d1557125f7
ripemd-160
a708b6a6d665b6e8f36e9d47eeb1c8703b427e8f
Diameter
180263890
Circumference
566315712.53152
Area
2.5521568327263E+16
Volume
3.0670781237155E+24
Surface area
1.0208627330905E+17
Circumference
566315712.53152
Perimeter
360527780
Area
8123767509483025
Diagonal
127465819.02207
Surface area
48742605056898150
Volume
7.3221096635751E+23
Space diagonal
156113108.125
Perimeter
270395835
Area
3.5176945188255E+15
Altitude
78056554.062502
Surface area
3.5176945188255E+15
Volume
8.6291889928425E+22
Height
42488606.340689