18984947 is an odd 8-digits prime number following 18984946
and preceding 18984948 . In scientific notation, it is written as 1.8984947 × 10^7.
The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors.
There are 18984946 positive integers (up to 18984947) that are relatively prime to 18984947.
18984947 has 2 divisors, whose sum is 18984948
The reverse of 18984947 is 74948981
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
eighteen million nine hundred eighty-four thousand nine hundred forty-seven
Scientific notation
1.8984947 × 10^7
Engineering notation
1.8984947 × 10^6
Prime Factorization
18984947
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
18984947
Product of the distinct prime numbers
The prime factorization of 18984947 is 18984947.
Since it has a total of 1 prime factors.
8 , 5 , 16 , 23 , 750 , 906 , 8424 , 4296 , 25489 , 89607 , 875664 , 32003 , 882686 , 4925454 , 25060506 , 97142562 , 90410663 , 354185141 , 2985423976 , 698047306
n×2
37969894
n×3
56954841
n×4
75939788
n×5
94924735
n÷2
9492473.5
n÷3
6328315.6666667
n÷3
4746236.75
n÷5
3796989.4
n2
360428212592809
n3
6.8427105133792E+21
n4
1.2990849643285E+29
n5
2.4663059196273E+36
2 √n
4357.1719038844
3 √n
266.76967704339
4 √n
66.00887746269
5 √n
28.554981150179
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
18984948
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9492474
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4357.1720186378
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998946534
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18984947 can be divided by 2 positive divisors.
The sum of these divisors (counting 18984947) is 18984948, the average is 9492474.
Base
System
Value
2
Binary
1001000011010111111110011
3
Ternary
1022201112110012
4
Quaternary
1020122333303
5
Quinary
14330004242
6
Senary
1514525135
8
Octal
110327763
10
Decimal
18984947
12
Duodecimal
64367ab
16
Hexadecimal
121aff3
20
Vigesimal
5id277
36
Base36
bawvn
md5
a94ccb004253d406003a01cd840d2ffe
sha1
87c3f087512ed64490b4ee2fd78ae88bd86a4acd
sha256
a7fe9e7b03b713e671f933ec660b73dd00d61195028bc0387a8e548f2b7ca537
sha512
36b4960ff4d5612eba9104793005eda309291bdb48b45742eb3afa5459ecc8b47ebb90608b9a4db804dd99f9bcbcb9f4060864b1d2097fd2ad095f33a26b8c08
ripemd-160
b34ce0d1267fbad82ec718e9ddf64c4b361a559c
Diameter
37969894
Circumference
119285940.04798
Area
1.1323186248281E+15
Volume
2.8662678772632E+22
Surface area
4.5292744993123E+15
Circumference
119285940.04798
Perimeter
75939788
Area
360428212592809
Diagonal
26848769.528334
Surface area
2162569275556854
Volume
6.8427105133792E+21
Space diagonal
32882892.783002
Perimeter
56954841
Area
1.56069994173E+14
Altitude
16441446.391501
Surface area
1.56069994173E+14
Volume
8.0642116761782E+20
Height
8949589.8427781