90640905 is an odd 8-digits composite number following 90640904
and preceding 90640906 . In scientific notation, it is written as 9.0640905 × 10^7.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 48341808 positive integers (up to 90640905) that are relatively prime to 90640905.
90640905 has 8 divisors, whose sum is 145025472
The reverse of 90640905 is 50904609
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
ninety million six hundred forty thousand nine hundred five
Scientific notation
9.0640905 × 10^7
Engineering notation
9.0640905 × 10^6
Prime Factorization
3 × 5 × 6042727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
90640905
Product of the distinct prime numbers
The prime factorization of 90640905 is 3 × 5 × 6042727.
Since it has a total of 3 prime factors.
3 , 7 , 20 , 35 , 641 , 236 , 2069 , 4892 , 3374 , 85275 , 447051 , 418196 , 1583076 , 7091375 , 1834427 , 16252603 , 194647237 , 227279681 , 3897712947 , 727365399
n×2
181281810
n×3
271922715
n×4
362563620
n×5
453204525
n÷2
45320452.5
n÷3
30213635
n÷3
22660226.25
n÷5
18128181
n2
8215773659219025
n3
7.4468515974677E+23
n4
6.7498936819517E+31
n5
6.1181647198589E+39
2 √n
9520.5517172063
3 √n
449.20172052848
4 √n
97.573314575279
5 √n
39.035958409447
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
-90640904
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 90640905 can be divided by 8 positive divisors.
The sum of these divisors (counting 90640905) is 1, the average is 0.125.
Base
System
Value
2
Binary
101011001110001001000001001
3
Ternary
20022120000221120
4
Quaternary
11121301020021
5
Quinary
141201002110
6
Senary
12554425453
8
Octal
531611011
10
Decimal
90640905
12
Duodecimal
26432289
16
Hexadecimal
5671209
20
Vigesimal
186a255
36
Base36
1hyqyx
md5
fa00f04f06e9d06a749469a5f09f3264
sha1
690abe225b44d9b377596685f02a524e761a8628
sha256
0c302bd06b7e2e40e4e835885fd053dcaf9b1ca5b021666c93e55b39da17664d
sha512
b708609c9f3d176913cd315a0c1c2d56a0dc6cca51b6c5682e206bf75a9d5795fab01d9c90064c63b8b45656ef0d74be685c5c4190e5e4c005b4fd694d0a6a88
ripemd-160
77b810e8bcb28f1e01869a0546c2d8a6c4c8b237
Diameter
181281810
Circumference
569513602.52546
Area
2.5810614171359E+16
Volume
3.1193299027971E+24
Surface area
1.0324245668544E+17
Circumference
569513602.52546
Perimeter
362563620
Area
8215773659219025
Diagonal
128185597.15677
Surface area
49294641955314150
Volume
7.4468515974677E+23
Space diagonal
156994652.70402
Perimeter
271922715
Area
3.5575343503134E+15
Altitude
78497326.352012
Surface area
3.5575343503134E+15
Volume
8.7761987717655E+22
Height
42728532.38559