18100812 is an even 8-digits composite number following 18100811
and preceding 18100813 . In scientific notation, it is written as 1.8100812 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 12 positive divisors.
There are 6033600 positive integers (up to 18100812) that are relatively prime to 18100812.
18100812 has 12 divisors, whose sum is 42235256
The reverse of 18100812 is 21800181
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
eighteen million one hundred thousand eight hundred twelve
Scientific notation
1.8100812 × 10^7
Engineering notation
1.8100812 × 10^6
Prime Factorization
2 × 2 × 3 × 1508401
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
9050406
Product of the distinct prime numbers
The prime factorization of 18100812 is 2 × 2 × 3 × 1508401.
Since it has a total of 4 prime factors.
1 , 5 , 71 , 15 , 345 , 447 , 38 , 6820 , 65439 , 10553 , 939386 , 147220 , 885489 , 2112314 , 84979565 , 29992210 , 923865960 , 20281004 , 2046729171 , 6793457457
n×2
36201624
n×3
54302436
n×4
72403248
n×5
90504060
n÷2
9050406
n÷3
6033604
n÷3
4525203
n÷5
3620162.4
n2
327639395059344
n3
5.9305390937629E+21
n4
1.0734757319485E+29
n5
1.9430782410563E+36
2 √n
4254.5049065667
3 √n
262.56249215108
4 √n
65.226565957183
5 √n
28.283920739282
1 , 2 , 3 , 4 , 6 , 12 , 1508401 , 3016802 , 4525203 , 6033604 , 9050406 , 18100812
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
-18100811
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 18100812 can be divided by 12 positive divisors.
The sum of these divisors (counting 18100812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000101000011001001001100
3
Ternary
1021001121122110
4
Quaternary
1011003021030
5
Quinary
14113211222
6
Senary
1443544020
8
Octal
105031114
10
Decimal
18100812
12
Duodecimal
608b010
16
Hexadecimal
114324c
20
Vigesimal
5d2c0c
36
Base36
aryoc
md5
63626838ec2aa8edf263b941bf5b3b4a
sha1
ff287fc00874df5f7d58b4b2fc76b8987c58e68e
sha256
979587c5b887902126d7a15230ef29ed1452b71d53a748c06fb6edc1ace2848f
sha512
e694d3c4b4fcdcc8f36c46aa42341f93ac91c15b1c53d092cab8fabca0aa00c05eff1abd82e1f26534a1ec5f22929df7fa598f05bf2c63438272234f5f7c0120
ripemd-160
6fc5667ec4b90e134536fbea29ef7f46954f189e
Diameter
36201624
Circumference
113730756.00642
Area
1.029309516545E+15
Volume
2.4841784065057E+22
Surface area
4.1172380661802E+15
Circumference
113730756.00642
Perimeter
72403248
Area
327639395059344
Diagonal
25598413.820366
Surface area
1965836370356064
Volume
5.9305390937629E+21
Space diagonal
31351526.042252
Perimeter
54302436
Area
1.4187201970098E+14
Altitude
15675763.021126
Surface area
1.4187201970098E+14
Volume
6.9892073488195E+20
Height
8532804.6067886