18153985 is an odd 8-digits composite number following 18153984
and preceding 18153986 . In scientific notation, it is written as 1.8153985 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 13989888 positive integers (up to 18153985) that are relatively prime to 18153985.
18153985 has 16 divisors, whose sum is 22599936
The reverse of 18153985 is 58935181
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million one hundred fifty-three thousand nine hundred eighty-five
Scientific notation
1.8153985 × 10^7
Engineering notation
1.8153985 × 10^6
Prime Factorization
5 × 47 × 67 × 1153
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18153985
Product of the distinct prime numbers
The prime factorization of 18153985 is 5 × 47 × 67 × 1153.
Since it has a total of 4 prime factors.
1 , 2 , 89 , 86 , 801 , 478 , 5015 , 4049 , 67080 , 82100 , 80325 , 734928 , 4735437 , 4282927 , 3237852 , 14797069 , 242000654 , 363750486 , 1630174181 , 5430772859
n×2
36307970
n×3
54461955
n×4
72615940
n×5
90769925
n÷2
9076992.5
n÷3
6051328.3333333
n÷3
4538496.25
n÷5
3630797
n2
329567171380225
n3
5.982957485729E+21
n4
1.0861452045156E+29
n5
1.9717863750599E+36
2 √n
4260.7493472393
3 √n
262.81934226379
4 √n
65.274415717334
5 √n
28.300518633712
1 , 5 , 47 , 67 , 235 , 335 , 1153 , 3149 , 5765 , 15745 , 54191 , 77251 , 270955 , 386255 , 3630797 , 18153985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18153984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18153985 can be divided by 16 positive divisors.
The sum of these divisors (counting 18153985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101010000001000000001
3
Ternary
1021011022120211
4
Quaternary
1011100020001
5
Quinary
14121411420
6
Senary
1445034121
8
Octal
105201001
10
Decimal
18153985
12
Duodecimal
60b5941
16
Hexadecimal
1150201
20
Vigesimal
5d94j5
36
Base36
at3pd
md5
647c91c9a1fb8a3d232a3e82ec62cb4c
sha1
d3afc129d573ef5925c894fd1b9be3bb4a3a6670
sha256
a6bd2a8a8481d4a645e8e0716aa98cad07eb158545ba0ac906b44830b8a65dcf
sha512
2ed7991ebc096a25c73ada5dffd38c418db4ed640e3f3374ff5e7507384812bd3f56b65549690c41aa30ab943716c2c2b3c924342f15c82a182a8219ab6444f8
ripemd-160
7b759a43947a07d419a1eedaf85d39a7ed9a380f
Diameter
36307970
Circumference
114064851.81876
Area
1.0353658044725E+15
Volume
2.5061353711875E+22
Surface area
4.1414632178899E+15
Circumference
114064851.81876
Perimeter
72615940
Area
329567171380225
Diagonal
25673611.798118
Surface area
1977403028281350
Volume
5.982957485729E+21
Space diagonal
31443624.379843
Perimeter
54461955
Area
1.4270677133433E+14
Altitude
15721812.189922
Surface area
1.4270677133433E+14
Volume
7.050983016183E+20
Height
8557870.5993726