18990470 is an even 8-digits composite number following 18990469
and preceding 18990471 . In scientific notation, it is written as 1.8990470 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 7596184 positive integers (up to 18990470) that are relatively prime to 18990470.
18990470 has 8 divisors, whose sum is 34182864
The reverse of 18990470 is 07409981
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million nine hundred ninety thousand four hundred seventy
Scientific notation
1.8990470 × 10^7
Engineering notation
1.8990470 × 10^6
Prime Factorization
2 × 5 × 1899047
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18990470
Product of the distinct prime numbers
The prime factorization of 18990470 is 2 × 5 × 1899047.
Since it has a total of 3 prime factors.
4 , 3 , 76 , 90 , 802 , 728 , 3385 , 2536 , 77963 , 20579 , 398572 , 909954 , 5233935 , 8235409 , 31529986 , 58722313 , 445006486 , 128634830 , 8904253417 , 9508308694
n×2
37980940
n×3
56971410
n×4
75961880
n×5
94952350
n÷2
9495235
n÷3
6330156.6666667
n÷3
4747617.5
n÷5
3798094
n2
360637950820900
n3
6.8486841859258E+21
n4
1.300597315723E+29
n5
2.4698954306318E+36
2 √n
4357.8056404571
3 √n
266.795543608
4 √n
66.013677677108
5 √n
28.556642369587
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
-18990469
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 18990470 can be divided by 8 positive divisors.
The sum of these divisors (counting 18990470) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011100010110000110
3
Ternary
1022201211000202
4
Quaternary
1020130112012
5
Quinary
14330143340
6
Senary
1515010502
8
Octal
110342606
10
Decimal
18990470
12
Duodecimal
6439a32
16
Hexadecimal
121c586
20
Vigesimal
5idg3a
36
Base36
bb152
md5
ff4b94632e7403bc3eabed8ebbd4312a
sha1
d3c873a5a1dd238739382e60b6d5c14da69df357
sha256
9559af69037e72df6451e8b09aad3573ab674dde2aa563bedc7d85a9e6a1e00f
sha512
216221c4d3545c2ca8780e8aee8ac8fea4d4f69d5fa1bfdedf13989020575e406d63ca91b5f8bdd33524d880fb2142c6df0ee099722536aa98f656c52131661c
ripemd-160
0e958263b2d087a172250f1ee895b6363217f538
Diameter
37980940
Circumference
119320642.08043
Area
1.1329775369046E+15
Volume
2.8687701233681E+22
Surface area
4.5319101476185E+15
Circumference
119320642.08043
Perimeter
75961880
Area
360637950820900
Diagonal
26856580.229839
Surface area
2163827704925400
Volume
6.8486841859258E+21
Space diagonal
32892458.899613
Perimeter
56971410
Area
1.5616081348983E+14
Altitude
16446229.449806
Surface area
1.5616081348983E+14
Volume
8.0712517167886E+20
Height
8952193.4099465