90804945 is an odd 8-digits composite number following 90804944
and preceding 90804946 . In scientific notation, it is written as 9.0804945 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 36422400 positive integers (up to 90804945) that are relatively prime to 90804945.
90804945 has 32 divisors, whose sum is 128874240
The reverse of 90804945 is 54940809
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
ninety million eight hundred four thousand nine hundred forty-five
Scientific notation
9.0804945 × 10^7
Engineering notation
9.0804945 × 10^6
Prime Factorization
21 × 5 × 11 × 29 × 2711
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
90804945
Product of the distinct prime numbers
The prime factorization of 90804945 is 21 × 5 × 11 × 29 × 2711.
Since it has a total of 5 prime factors.
5 , 7 , 23 , 97 , 951 , 217 , 4795 , 9857 , 57708 , 95692 , 931881 , 755119 , 619065 , 4707223 , 50755973 , 49524689 , 11235433 , 44865376 , 2396065320 , 2460932602
n×2
181609890
n×3
272414835
n×4
363219780
n×5
454024725
n÷2
45402472.5
n÷3
30268315
n÷3
22701236.25
n÷5
18160989
n2
8245538036453025
n3
7.4873562789552E+23
n4
6.7988897510594E+31
n5
6.1737280990601E+39
2 √n
9529.1628698433
3 √n
449.47254248777
4 √n
97.617431178265
5 √n
39.050077483185
1 , 5 , 11 , 21 , 29 , 55 , 105 , 145 , 231 , 319 , 609 , 1155 , 1595 , 2711 , 3045 , 6699 , 13555 , 29821 , 33495 , 56931 , 78619 , 149105 , 284655 , 393095 , 626241 , 864809 , 1650999 , 3131205 , 4324045 , 8254995 , 18160989 , 90804945
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-90804944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 90804945 can be divided by 32 positive divisors.
The sum of these divisors (counting 90804945) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101011010011001001011010001
3
Ternary
20022212100222010
4
Quaternary
11122121023101
5
Quinary
141221224240
6
Senary
13002133133
8
Octal
532311321
10
Decimal
90804945
12
Duodecimal
264b11a9
16
Hexadecimal
56992d1
20
Vigesimal
187ac75
36
Base36
1i29jl
md5
99afe02b0d25cab77c078cfcea99a9d3
sha1
8be56549ada2555b9a46c59eab6c63063c4df0bc
sha256
837e88be9a6c6bfcf4fcaabe9b335d34e02c38b9759831be21b4789a3e24ed5f
sha512
9755a304b469c104c7840deeb7114aee9fb93f780d7a661b53ba4d3e138f6dac1cabc7c6bf236e956f0bc6a20d557e0d0a7818950087c129d24845a7c44e9797
ripemd-160
f65d2ec653ef85f6d985d1d79a33e2166c44a75f
Diameter
181609890
Circumference
570544296.24325
Area
2.5904121720216E+16
Volume
3.1362964641034E+24
Surface area
1.0361648688086E+17
Circumference
570544296.24325
Perimeter
363219780
Area
8245538036453025
Diagonal
128417584.74954
Surface area
49473228218718150
Volume
7.4873562789552E+23
Space diagonal
157278778.3185
Perimeter
272414835
Area
3.5704227037196E+15
Altitude
78639389.159249
Surface area
3.5704227037196E+15
Volume
8.8239339966816E+22
Height
42805861.583181