18989812 is an even 8-digits composite number following 18989811
and preceding 18989813 . In scientific notation, it is written as 1.8989812 × 10^7.
The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors.
There are 9082040 positive integers (up to 18989812) that are relatively prime to 18989812.
18989812 has 12 divisors, whose sum is 34677216
The reverse of 18989812 is 21898981
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
eighteen million nine hundred eighty-nine thousand eight hundred twelve
Scientific notation
1.8989812 × 10^7
Engineering notation
1.8989812 × 10^6
Prime Factorization
2 × 2 × 23 × 206411
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9494906
Product of the distinct prime numbers
The prime factorization of 18989812 is 2 × 2 × 23 × 206411.
Since it has a total of 4 prime factors.
2 , 5 , 76 , 62 , 933 , 979 , 1523 , 2571 , 77647 , 59165 , 803664 , 20887 , 2658434 , 3441542 , 63010923 , 31418676 , 613046396 , 659346069 , 7120181239 , 5233347955
n×2
37979624
n×3
56969436
n×4
75959248
n×5
94949060
n÷2
9494906
n÷3
6329937.3333333
n÷3
4747453
n÷5
3797962.4
n2
360612959795344
n3
6.8479723112771E+21
n4
1.3004170677236E+29
n5
2.4694675637662E+36
2 √n
4357.7301430906
3 √n
266.79246217653
4 √n
66.01310584339
5 √n
28.556444475264
1 , 2 , 4 , 23 , 46 , 92 , 206411 , 412822 , 825644 , 4747453 , 9494906 , 18989812
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18989811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18989812 can be divided by 12 positive divisors.
The sum of these divisors (counting 18989812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000011100001011110100
3
Ternary
1022201210010101
4
Quaternary
1020130023310
5
Quinary
14330133222
6
Senary
1515003444
8
Octal
110341364
10
Decimal
18989812
12
Duodecimal
6439584
16
Hexadecimal
121c2f4
20
Vigesimal
5ideac
36
Base36
bb0ms
md5
3415e5ebf5839abacc5de591270607f0
sha1
44650bcb6652fbca5718e2a1bab333aff66af0c1
sha256
b859096f92cffa0ef1c03876a20650b06f2a0cbecb2d09fbee1ba005c2b6c28f
sha512
589c5660777e06f4d0ba5c0d81c92fdba6971dd420a89eb8ffbfe7877ade5385985d5b9e909277b6c774253b988906049aaea991ea082057ed5066b611004cfa
ripemd-160
af8aac3fc0956d7dccd3f140f822394f9335b421
Diameter
37979624
Circumference
119316507.7445
Area
1.1328990252823E+15
Volume
2.8684719340126E+22
Surface area
4.5315961011293E+15
Circumference
119316507.7445
Perimeter
75959248
Area
360612959795344
Diagonal
26855649.677315
Surface area
2163677758772064
Volume
6.8479723112771E+21
Space diagonal
32891319.210181
Perimeter
56969436
Area
1.5614999205833E+14
Altitude
16445659.605091
Surface area
1.5614999205833E+14
Volume
8.0704127644696E+20
Height
8951883.2257718