90085945 is an odd 8-digits composite number following 90085944
and preceding 90085946 . In scientific notation, it is written as 9.0085945 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 72068752 positive integers (up to 90085945) that are relatively prime to 90085945.
90085945 has 4 divisors, whose sum is 108103140
The reverse of 90085945 is 54958009
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
ninety million eighty-five thousand nine hundred forty-five
Scientific notation
9.0085945 × 10^7
Engineering notation
9.0085945 × 10^6
Prime Factorization
5 × 18017189
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
90085945
Product of the distinct prime numbers
The prime factorization of 90085945 is 5 × 18017189.
Since it has a total of 2 prime factors.
5 , 10 , 60 , 8 , 680 , 811 , 4890 , 6449 , 21508 , 23663 , 892986 , 433592 , 7037708 , 4865013 , 66885578 , 19843650 , 259146147 , 252080490 , 1837226032 , 6870207041
n×2
180171890
n×3
270257835
n×4
360343780
n×5
450429725
n÷2
45042972.5
n÷3
30028648.333333
n÷3
22521486.25
n÷5
18017189
n2
8115477486543025
n3
7.3109045850145E+23
n4
6.5860974834587E+31
n5
5.933148156595E+39
2 √n
9491.3615988434
3 √n
448.28307902446
4 √n
97.423619306837
5 √n
38.988040428197
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
-90085944
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 90085945 can be divided by 4 positive divisors.
The sum of these divisors (counting 90085945) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010111101001101000111001
3
Ternary
20021111211200111
4
Quaternary
11113221220321
5
Quinary
141030222240
6
Senary
12534504321
8
Octal
527515071
10
Decimal
90085945
12
Duodecimal
262050a1
16
Hexadecimal
55e9a39
20
Vigesimal
1830eh5
36
Base36
1hmurd
md5
966f33a5e5056bf488f39756f6323fef
sha1
698519382454bf7d86abf0b7c8e0d9a3599bdd12
sha256
c95dce7e0596a04a95305447cd540dec11a1aebd28228013114b92633ceee1a6
sha512
1da3b55a76f4da3b0049fe95908e98d96b6f5370085f825269a2ff33f3319caf09922850ebf41c1f66096a2c7680721b492a7ee45506bc753da93bcdb4aa711d
ripemd-160
f3960e8546468a9f6c5fb33a0ddec52e36e30d20
Diameter
180171890
Circumference
566026686.00739
Area
2.5495524452097E+16
Volume
3.0623845513837E+24
Surface area
1.0198209780839E+17
Circumference
566026686.00739
Perimeter
360343780
Area
8115477486543025
Diagonal
127400765.1982
Surface area
48692864919258150
Volume
7.3109045850145E+23
Space diagonal
156033433.78786
Perimeter
270257835
Area
3.5141048335935E+15
Altitude
78016716.893928
Surface area
3.5141048335935E+15
Volume
8.6159836811193E+22
Height
42466921.732732