18981336 is an even 8-digits composite number following 18981335
and preceding 18981337 . In scientific notation, it is written as 1.8981336 × 10^7.
The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors.
There are 5751840 positive integers (up to 18981336) that are relatively prime to 18981336.
18981336 has 32 divisors, whose sum is 51768000
The reverse of 18981336 is 63318981
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million nine hundred eighty-one thousand three hundred thirty-six
Scientific notation
1.8981336 × 10^7
Engineering notation
1.8981336 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 11 × 71899
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
4745334
Product of the distinct prime numbers
The prime factorization of 18981336 is 2 × 2 × 2 × 3 × 11 × 71899.
Since it has a total of 6 prime factors.
4 , 2 , 52 , 86 , 848 , 797 , 9692 , 9278 , 97289 , 10884 , 43659 , 45422 , 2958951 , 6601331 , 55344188 , 93832298 , 410178503 , 170923843 , 1189373765 , 8891506991
n×2
37962672
n×3
56944008
n×4
75925344
n×5
94906680
n÷2
9490668
n÷3
6327112
n÷3
4745334
n÷5
3796267.2
n2
360291116344896
n3
6.8388067371576E+21
n4
1.2980968851705E+29
n5
2.4639613137975E+36
2 √n
4356.757509892
3 √n
266.75276247795
4 √n
66.005738461833
5 √n
28.553894817067
1 , 2 , 3 , 4 , 6 , 8 , 11 , 12 , 22 , 24 , 33 , 44 , 66 , 88 , 132 , 264 , 71899 , 143798 , 215697 , 287596 , 431394 , 575192 , 790889 , 862788 , 1581778 , 1725576 , 2372667 , 3163556 , 4745334 , 6327112 , 9490668 , 18981336
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
-18981335
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 18981336 can be divided by 32 positive divisors.
The sum of these divisors (counting 18981336) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001000011010000111011000
3
Ternary
1022201100111110
4
Quaternary
1020122013120
5
Quinary
14324400321
6
Senary
1514500320
8
Octal
110320730
10
Decimal
18981336
12
Duodecimal
64346a0
16
Hexadecimal
121a1d8
20
Vigesimal
5icd6g
36
Base36
bau3c
md5
2e34b115c57126647d34ef2b2f2c3114
sha1
625824b32f44ba0d23730c422869491862e97840
sha256
3797463aaf2bdffb1952f2ac1ce8f3c5bc124d964ea8059138df2a14a43f3b3b
sha512
5f82727cd7ee10a3d184e0d0df3656f6bf27e0dbc6778615e8862406511d2b4ed1980db640f0143a3e79c0f18b167d3749c862ac72e7f83f4ca31520efebdc90
ripemd-160
35f40f7041a4b951af1e9ff5c5865e6792f59a9a
Diameter
37962672
Circumference
119263251.46584
Area
1.1318879242628E+15
Volume
2.8646326673033E+22
Surface area
4.5275516970512E+15
Circumference
119263251.46584
Perimeter
75925344
Area
360291116344896
Diagonal
26843662.803161
Surface area
2161746698069376
Volume
6.8388067371576E+21
Space diagonal
32876638.347536
Perimeter
56944008
Area
1.5601062975627E+14
Altitude
16438319.173768
Surface area
1.5601062975627E+14
Volume
8.0596110317806E+20
Height
8947887.6010536