18085961 is an odd 8-digits composite number following 18085960
and preceding 18085962 . In scientific notation, it is written as 1.8085961 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 17644800 positive integers (up to 18085961) that are relatively prime to 18085961.
18085961 has 4 divisors, whose sum is 18527124
The reverse of 18085961 is 16958081
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
eighteen million eighty-five thousand nine hundred sixty-one
Scientific notation
1.8085961 × 10^7
Engineering notation
1.8085961 × 10^6
Prime Factorization
41 × 441121
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
18085961
Product of the distinct prime numbers
The prime factorization of 18085961 is 41 × 441121.
Since it has a total of 2 prime factors.
5 , 9 , 21 , 56 , 182 , 145 , 2460 , 8016 , 94775 , 26070 , 642099 , 674838 , 3870522 , 7528627 , 20730843 , 37516921 , 184872658 , 913112020 , 9163654478 , 6749529390
n×2
36171922
n×3
54257883
n×4
72343844
n×5
90429805
n÷2
9042980.5
n÷3
6028653.6666667
n÷3
4521490.25
n÷5
3617192.2
n2
327101985293521
n3
5.9159537490412E+21
n4
1.0699570878296E+29
n5
1.935120216216E+36
2 √n
4252.759221964
3 √n
262.49066512534
4 √n
65.213182884782
5 √n
28.279278047819
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18085960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18085961 can be divided by 4 positive divisors.
The sum of these divisors (counting 18085961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000100111111100001001001
3
Ternary
1021000212021102
4
Quaternary
1010333201021
5
Quinary
14112222321
6
Senary
1443351145
8
Octal
104774111
10
Decimal
18085961
12
Duodecimal
60824b5
16
Hexadecimal
113f849
20
Vigesimal
5d0ei1
36
Base36
arn7t
md5
e57c4316daf9e88826ebe683cfbf91f6
sha1
269652ea01866f4560a5702557735efaf4e20ade
sha256
e670d3f685b2c734ae880cba57ad336e5d0f2e94f5ab5aacfaed59ca63bb2c11
sha512
489956c28fa224f2e497ccb26d76faad5114c6b750ffab7a462df27204d548f4a11fd2499e0e15296dbdf748dd7be63074f99b463328fa54a1d2713628b982a3
ripemd-160
2699738717dfed24b2f23d4455d79be8dfbe51f2
Diameter
36171922
Circumference
113637444.42142
Area
1.0276211939728E+15
Volume
2.4780689115953E+22
Surface area
4.110484775891E+15
Circumference
113637444.42142
Perimeter
72343844
Area
327101985293521
Diagonal
25577411.334751
Surface area
1962611911761126
Volume
5.9159537490412E+21
Space diagonal
31325803.355709
Perimeter
54257883
Area
1.4163931444626E+14
Altitude
15662901.677855
Surface area
1.4163931444626E+14
Volume
6.9720183552217E+20
Height
8525803.7782503