18379890 is an even 8-digits composite number following 18379889
and preceding 18379891 . In scientific notation, it is written as 1.8379890 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 4485120 positive integers (up to 18379890) that are relatively prime to 18379890.
18379890 has 32 divisors, whose sum is 31857840
The reverse of 18379890 is 09897381
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million three hundred seventy-nine thousand eight hundred ninety
Scientific notation
1.8379890 × 10^7
Engineering notation
1.8379890 × 10^6
Prime Factorization
2 × 9 × 85 × 41 × 293
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18379890
Product of the distinct prime numbers
The prime factorization of 18379890 is 2 × 9 × 85 × 41 × 293.
Since it has a total of 5 prime factors.
1 , 7 , 50 , 91 , 647 , 32 , 6068 , 5380 , 10527 , 62227 , 23366 , 375518 , 1036864 , 7092422 , 88640164 , 12361186 , 686406415 , 420377741 , 2089124457 , 3868720319
n×2
36759780
n×3
55139670
n×4
73519560
n×5
91899450
n÷2
9189945
n÷3
6126630
n÷3
4594972.5
n÷5
3675978
n2
337820356412100
n3
6.2091009906152E+21
n4
1.141225932064E+29
n5
2.0975607096483E+36
2 √n
4287.1773931108
3 √n
263.90501059196
4 √n
65.476540784549
5 √n
28.370603981056
1 , 2 , 9 , 18 , 41 , 82 , 85 , 170 , 293 , 369 , 586 , 738 , 765 , 1530 , 2637 , 3485 , 5274 , 6970 , 12013 , 24026 , 24905 , 31365 , 49810 , 62730 , 108117 , 216234 , 224145 , 448290 , 1021105 , 2042210 , 9189945 , 18379890
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18379889
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18379890 can be divided by 32 positive divisors.
The sum of these divisors (counting 18379890) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000110000111010001110010
3
Ternary
1021120210110200
4
Quaternary
1012013101302
5
Quinary
14201124030
6
Senary
1453540030
8
Octal
106072162
10
Decimal
18379890
12
Duodecimal
61a4616
16
Hexadecimal
1187472
20
Vigesimal
5eh9ea
36
Base36
axy0i
md5
003facc086eb11c435dcb2129ee09495
sha1
cbe9fddea92fa68458ece230537e62750d10b850
sha256
b25d2044a66b3b387c95496f6223b5594d5c16e512f0bb27f7d224ca229f0c9d
sha512
c86a20ae644b1ce24b7d3fde2f77afdf393693c9e0a493cbfb260cc431d1ebf11ee2a026c0cda48bb70af742327fdf98089d07df47c4cfdc837e567b5ed9b8cf
ripemd-160
96c2af0b48b098bdb8181f1b9f885a628b8671fa
Diameter
36759780
Circumference
115484254.79558
Area
1.0612939499373E+15
Volume
2.6008621410018E+22
Surface area
4.2451757997494E+15
Circumference
115484254.79558
Perimeter
73519560
Area
337820356412100
Diagonal
25993089.712926
Surface area
2026922138472600
Volume
6.2091009906152E+21
Space diagonal
31834903.317527
Perimeter
55139670
Area
1.462805052842E+14
Altitude
15917451.658764
Surface area
1.462805052842E+14
Volume
7.3174956925602E+20
Height
8664363.2376419