18989836 is an even 8-digits composite number following 18989835
and preceding 18989837 . In scientific notation, it is written as 1.8989836 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 9455040 positive integers (up to 18989836) that are relatively prime to 18989836.
18989836 has 12 divisors, whose sum is 33371800
The reverse of 18989836 is 63898981
Previous prime number is 241
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighteen million nine hundred eighty-nine thousand eight hundred thirty-six
Scientific notation
1.8989836 × 10^7
Engineering notation
1.8989836 × 10^6
Prime Factorization
2 × 2 × 241 × 19699
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9494918
Product of the distinct prime numbers
The prime factorization of 18989836 is 2 × 2 × 241 × 19699.
Since it has a total of 4 prime factors.
9 , 7 , 56 , 24 , 779 , 879 , 3412 , 7112 , 21992 , 29661 , 564599 , 881634 , 6681908 , 7147223 , 74356312 , 42632518 , 983362994 , 232682991 , 674242189 , 1076724981
n×2
37979672
n×3
56969508
n×4
75959344
n×5
94949180
n÷2
9494918
n÷3
6329945.3333333
n÷3
4747459
n÷5
3797967.2
n2
360613871306896
n3
6.8479982754431E+21
n4
1.3004236417895E+29
n5
2.4694831688105E+36
2 √n
4357.7328968169
3 √n
266.79257457042
4 √n
66.013126700808
5 √n
28.55645169339
1 , 2 , 4 , 241 , 482 , 964 , 19699 , 39398 , 78796 , 4747459 , 9494918 , 18989836
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
-18989835
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 18989836 can be divided by 12 positive divisors.
The sum of these divisors (counting 18989836) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001000011100001100001100
3
Ternary
1022201210011021
4
Quaternary
1020130030030
5
Quinary
14330133321
6
Senary
1515003524
8
Octal
110341414
10
Decimal
18989836
12
Duodecimal
64395a4
16
Hexadecimal
121c30c
20
Vigesimal
5idebg
36
Base36
bb0ng
md5
43f5144cd23f25a5920a9ecfd70199ec
sha1
8c704704372529c103176c8862aea52f01c4e238
sha256
5070ac4625b95e4379055b90cb4f59bc5234feac6422373ec931205d68637267
sha512
03bf5dce7f926c2fbe2d12653ad28d28a51cc04190b5723f20f863ff454977f41ed735bd7bf7adf9fe3f5596c136b6280eb5b587ec7d7bbd76072b0ab1f9463e
ripemd-160
487ea4ad48ae456809c7b363545354b3a73b6365
Diameter
37979672
Circumference
119316658.54095
Area
1.1329018888803E+15
Volume
2.868482809857E+22
Surface area
4.5316075555213E+15
Circumference
119316658.54095
Perimeter
75959344
Area
360613871306896
Diagonal
26855683.618441
Surface area
2163683227841376
Volume
6.8479982754431E+21
Space diagonal
32891360.779401
Perimeter
56969508
Area
1.5615038675441E+14
Altitude
16445680.3897
Surface area
1.5615038675441E+14
Volume
8.0704433635326E+20
Height
8951894.5394803