17990945 is an odd 8-digits composite number following 17990944
and preceding 17990946 . In scientific notation, it is written as 1.7990945 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 11799744 positive integers (up to 17990945) that are relatively prime to 17990945.
17990945 has 16 divisors, whose sum is 25747200
The reverse of 17990945 is 54909971
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventeen million nine hundred ninety thousand nine hundred forty-five
Scientific notation
1.7990945 × 10^7
Engineering notation
1.7990945 × 10^6
Prime Factorization
5 × 7 × 23 × 22349
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
17990945
Product of the distinct prime numbers
The prime factorization of 17990945 is 5 × 7 × 23 × 22349.
Since it has a total of 4 prime factors.
10 , 5 , 47 , 7 , 813 , 941 , 3761 , 1581 , 56153 , 70601 , 902431 , 395184 , 4115456 , 2202655 , 96354191 , 14211757 , 496509779 , 311936965 , 17967937 , 8109811783
n×2
35981890
n×3
53972835
n×4
71963780
n×5
89954725
n÷2
8995472.5
n÷3
5996981.6666667
n÷3
4497736.25
n÷5
3598189
n2
323674101993025
n3
5.8232029668809E+21
n4
1.0476492430099E+29
n5
1.8848199910283E+36
2 √n
4241.5734108937
3 √n
262.03018609914
4 √n
65.127362996621
5 √n
28.249501932978
1 , 5 , 7 , 23 , 35 , 115 , 161 , 805 , 22349 , 111745 , 156443 , 514027 , 782215 , 2570135 , 3598189 , 17990945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-17990944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 17990945 can be divided by 16 positive divisors.
The sum of these divisors (counting 17990945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000100101000010100100001
3
Ternary
1020212000221022
4
Quaternary
1010220110201
5
Quinary
14101202240
6
Senary
1441335225
8
Octal
104502441
10
Decimal
17990945
12
Duodecimal
6037515
16
Hexadecimal
1128521
20
Vigesimal
5c8h75
36
Base36
aplwh
md5
cf62f413cbda819ad00a73d2ae3587bc
sha1
ffdeba2f9ae60fe6035566d509bc5ca2fd6ac08a
sha256
40759473d3f8bf0d4677993bb4574b3ab8b57f2657bc7194dc9a73bf7bc9f865
sha512
617d6fae3e1dbf6b4cd3bb98d0799cd3c29ff5ca0d7e0c4b18efc4ed2d5dfa32111086a6c4772e8659a972e8328ecc7c8deb52d8aa83f6e84a9d947a042a72ac
ripemd-160
790b31b439ed98df09bb81ee9bebb067314f5dac
Diameter
35981890
Circumference
113040441.28628
Area
1.0168521809786E+15
Volume
2.4392175548154E+22
Surface area
4.0674087239142E+15
Circumference
113040441.28628
Perimeter
71963780
Area
323674101993025
Diagonal
25443038.418908
Surface area
1942044611958150
Volume
5.8232029668809E+21
Space diagonal
31161230.816177
Perimeter
53972835
Area
1.4015499743654E+14
Altitude
15580615.408089
Surface area
1.4015499743654E+14
Volume
6.8627105101785E+20
Height
8481012.8063028