90131785 is an odd 8-digits composite number following 90131784
and preceding 90131786 . In scientific notation, it is written as 9.0131785 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 72105424 positive integers (up to 90131785) that are relatively prime to 90131785.
90131785 has 4 divisors, whose sum is 108158148
The reverse of 90131785 is 58713109
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
ninety million one hundred thirty-one thousand seven hundred eighty-five
Scientific notation
9.0131785 × 10^7
Engineering notation
9.0131785 × 10^6
Prime Factorization
5 × 18026357
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
90131785
Product of the distinct prime numbers
The prime factorization of 90131785 is 5 × 18026357.
Since it has a total of 2 prime factors.
8 , 8 , 33 , 12 , 509 , 910 , 6449 , 8160 , 30287 , 11053 , 790857 , 780636 , 4399390 , 7356134 , 73657804 , 59941713 , 162246751 , 918220849 , 5375117499 , 6781749477
n×2
180263570
n×3
270395355
n×4
360527140
n×5
450658925
n÷2
45065892.5
n÷3
30043928.333333
n÷3
22532946.25
n÷5
18026357
n2
8123738667286225
n3
7.3220706695603E+23
n4
6.5995129934361E+31
n5
5.9482588622909E+39
2 √n
9493.7761191214
3 √n
448.35910202613
4 √n
97.436010381796
5 √n
38.99200741354
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
-90131784
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 90131785 can be divided by 4 positive divisors.
The sum of these divisors (counting 90131785) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010111110100110101001001
3
Ternary
20021121011120021
4
Quaternary
11113310311021
5
Quinary
141033204120
6
Senary
12535500441
8
Octal
527646511
10
Decimal
90131785
12
Duodecimal
26227721
16
Hexadecimal
55f4d49
20
Vigesimal
1836995
36
Base36
1hnu4p
md5
458a6c95b8d866561682afd5cb6ece96
sha1
e23da0f966152b42733cc5837b7837ec8c776eb3
sha256
524567a372ffa2f72aa879f57f90459c4f79fafb66c911460db78db7df28c0aa
sha512
909b8ce92dbf3be8d23d671277520a075ec7130fb7ad8ad81ec90a7142e19cbfa3440510a0c54185e47615871bd72eebd4bb3a3236bb8152cb4d17e0f0a57777
ripemd-160
2d549458d23924259a3130e07d6723687a42ca36
Diameter
180263570
Circumference
566314707.22187
Area
2.552147771683E+16
Volume
3.0670617899408E+24
Surface area
1.0208591086732E+17
Circumference
566314707.22187
Perimeter
360527140
Area
8123738667286225
Diagonal
127465592.7479
Surface area
48742432003717350
Volume
7.3220706695603E+23
Space diagonal
156112830.99687
Perimeter
270395355
Area
3.5176820297879E+15
Altitude
78056415.498437
Surface area
3.5176820297879E+15
Volume
8.6291430379553E+22
Height
42488530.915965