90131605 is an odd 8-digits composite number following 90131604
and preceding 90131606 . In scientific notation, it is written as 9.0131605 × 10^7.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 72105280 positive integers (up to 90131605) that are relatively prime to 90131605.
90131605 has 4 divisors, whose sum is 108157932
The reverse of 90131605 is 50613109
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
ninety million one hundred thirty-one thousand six hundred five
Scientific notation
9.0131605 × 10^7
Engineering notation
9.0131605 × 10^6
Prime Factorization
5 × 18026321
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
90131605
Product of the distinct prime numbers
The prime factorization of 90131605 is 5 × 18026321.
Since it has a total of 2 prime factors.
5 , 10 , 11 , 93 , 78 , 739 , 4870 , 1031 , 783 , 18242 , 661759 , 210387 , 1959585 , 4937772 , 53628506 , 86037377 , 601498518 , 512061108 , 8620915946 , 7192918534
n×2
180263210
n×3
270394815
n×4
360526420
n×5
450658025
n÷2
45065802.5
n÷3
30043868.333333
n÷3
22532901.25
n÷5
18026321
n2
8123706219876025
n3
7.3220268014591E+23
n4
6.5994602746852E+31
n5
5.9481994669112E+39
2 √n
9493.7666392218
3 √n
448.35880355691
4 √n
97.435961734987
5 √n
38.991991839529
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
-90131604
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 90131605 can be divided by 4 positive divisors.
The sum of these divisors (counting 90131605) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010111110100110010010101
3
Ternary
20021121011022121
4
Quaternary
11113310302111
5
Quinary
141033202410
6
Senary
12535455541
8
Octal
527646225
10
Decimal
90131605
12
Duodecimal
262275b1
16
Hexadecimal
55f4c95
20
Vigesimal
1836905
36
Base36
1hntzp
md5
b223c6d4bbb8bb0e59e1ddab5cb384a0
sha1
71d6a8f78eb25a7a78da7bb1e333c3517e25f8a9
sha256
4d78d09f5fdbe1e938a0d281271fddefa562cefe3bef4155d1eed17f967745ba
sha512
64365ea207112bc42b9edc7a07bfe3d7a65bee79eb22d452da49f3215bfca8ea5a15c7b6b7f9b06b1999025c493eb4051818c9ac390f6fb7cfb51b66345cb748
ripemd-160
1f2e1f0d036a4581c680cfd37701f77885dcb3e9
Diameter
180263210
Circumference
566313576.24851
Area
2.5521375780284E+16
Volume
3.0670434145135E+24
Surface area
1.0208550312114E+17
Circumference
566313576.24851
Perimeter
360526420
Area
8123706219876025
Diagonal
127465338.18945
Surface area
48742237319256150
Volume
7.3220268014591E+23
Space diagonal
156112519.22773
Perimeter
270394815
Area
3.5176679796471E+15
Altitude
78056259.613865
Surface area
3.5176679796471E+15
Volume
8.6290913389023E+22
Height
42488446.063152