90131831 is an odd 8-digits composite number following 90131830
and preceding 90131832 . In scientific notation, it is written as 9.0131831 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 88272000 positive integers (up to 90131831) that are relatively prime to 90131831.
90131831 has 8 divisors, whose sum is 92004528
The reverse of 90131831 is 13813109
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
ninety million one hundred thirty-one thousand eight hundred thirty-one
Scientific notation
9.0131831 × 10^7
Engineering notation
9.0131831 × 10^6
Prime Factorization
61 × 241 × 6131
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
90131831
Product of the distinct prime numbers
The prime factorization of 90131831 is 61 × 241 × 6131.
Since it has a total of 3 prime factors.
6 , 4 , 77 , 57 , 285 , 648 , 8310 , 7209 , 6304 , 66243 , 679969 , 421652 , 1028802 , 6911356 , 72841246 , 34541674 , 14422573 , 941345526 , 2935693698 , 3289913223
n×2
180263662
n×3
270395493
n×4
360527324
n×5
450659155
n÷2
45065915.5
n÷3
30043943.666667
n÷3
22532957.75
n÷5
18026366.2
n2
8123746959412561
n3
7.3220818803254E+23
n4
6.5995264660565E+31
n5
5.9482740411863E+39
2 √n
9493.7785417609
3 √n
448.35917830154
4 √n
97.436022813746
5 √n
38.992011393561
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
-90131830
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 90131831 can be divided by 8 positive divisors.
The sum of these divisors (counting 90131831) is 1, the average is 0.125.
Base
System
Value
2
Binary
101010111110100110101110111
3
Ternary
20021121011121222
4
Quaternary
11113310311313
5
Quinary
141033204311
6
Senary
12535500555
8
Octal
527646567
10
Decimal
90131831
12
Duodecimal
2622775b
16
Hexadecimal
55f4d77
20
Vigesimal
18369bb
36
Base36
1hnu5z
md5
f88fe723e7e5eca68cb30a33aa05cb44
sha1
f4b65968248fdb456b997bf08158d72dbc21752e
sha256
57e7e6c3540a61efd917ab8fba5549bc6cb1c19bafe57ad51e836bf4956da42b
sha512
9ef9c2ca78f2ee343214b626393aab25365d10d9dd9e86b1db4b2246eb3101e30300150396b6690edfa75065bfc61b83c174f8bbf0cd0e561f21f992469d5950
ripemd-160
aab90f5d3a3336d9f9da2f8e9c45cfcb2fb69714
Diameter
180263662
Circumference
566314996.24839
Area
2.5521503767313E+16
Volume
3.0670664858951E+24
Surface area
1.0208601506925E+17
Circumference
566314996.24839
Perimeter
360527324
Area
8123746959412561
Diagonal
127465657.80172
Surface area
48742481756475366
Volume
7.3220818803254E+23
Space diagonal
156112910.67121
Perimeter
270395493
Area
3.5176856203839E+15
Altitude
78056455.335606
Surface area
3.5176856203839E+15
Volume
8.6291562499687E+22
Height
42488552.600573