18990517 is an odd 8-digits composite number following 18990516
and preceding 18990518 . In scientific notation, it is written as 1.8990517 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 15025392 positive integers (up to 18990517) that are relatively prime to 18990517.
18990517 has 8 divisors, whose sum is 23373056
The reverse of 18990517 is 71509981
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million nine hundred ninety thousand five hundred seventeen
Scientific notation
1.8990517 × 10^7
Engineering notation
1.8990517 × 10^6
Prime Factorization
7 × 13 × 208687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18990517
Product of the distinct prime numbers
The prime factorization of 18990517 is 7 × 13 × 208687.
Since it has a total of 3 prime factors.
8 , 8 , 4 , 40 , 379 , 20 , 8301 , 799 , 67157 , 80986 , 487856 , 559950 , 5134428 , 6573440 , 88438799 , 45975901 , 545199151 , 494785384 , 4283379363 , 7083953123
n×2
37981034
n×3
56971551
n×4
75962068
n×5
94952585
n÷2
9495258.5
n÷3
6330172.3333333
n÷3
4747629.25
n÷5
3798103.4
n2
360639735927289
n3
6.8487350360027E+21
n4
1.300610191297E+29
n5
2.46992599482E+36
2 √n
4357.8110330761
3 √n
266.79576370752
4 √n
66.013718521805
5 √n
28.556656504686
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
-18990516
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 18990517 can be divided by 8 positive divisors.
The sum of these divisors (counting 18990517) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011100010110110101
3
Ternary
1022201211002111
4
Quaternary
1020130112311
5
Quinary
14330144032
6
Senary
1515011021
8
Octal
110342665
10
Decimal
18990517
12
Duodecimal
6439a71
16
Hexadecimal
121c5b5
20
Vigesimal
5idg5h
36
Base36
bb16d
md5
82d31042daf725dbdad9dfdc789a349c
sha1
4408140e989426ad3aa963428ba2d071799cbf94
sha256
2d35fa584ddfd6184f16737e8cf661602867f0aa2b5b7f9c53b0b8e322469950
sha512
28b442e89b41d9c8e921c5aa611337323097c0386437cdb7bc31e1e197cecccdba47c6cef569ebfb17885efc5c14f89173c0ddd49b2ba41c1b4640c8e3ef0d01
ripemd-160
ac70f4d32b2d603c236d5fe91458d1dc691f2521
Diameter
37981034
Circumference
119320937.39014
Area
1.1329831449817E+15
Volume
2.8687914233985E+22
Surface area
4.5319325799269E+15
Circumference
119320937.39014
Perimeter
75962068
Area
360639735927289
Diagonal
26856646.697877
Surface area
2163838415563734
Volume
6.8487350360027E+21
Space diagonal
32892540.306
Perimeter
56971551
Area
1.5616158646357E+14
Altitude
16446270.153
Surface area
1.5616158646357E+14
Volume
8.071311644179E+20
Height
8952215.5659589