18081966 is an even 8-digits composite number following 18081965
and preceding 18081967 . In scientific notation, it is written as 1.8081966 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 5078016 positive integers (up to 18081966) that are relatively prime to 18081966.
18081966 has 32 divisors, whose sum is 42036480
The reverse of 18081966 is 66918081
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
eighteen million eighty-one thousand nine hundred sixty-six
Scientific notation
1.8081966 × 10^7
Engineering notation
1.8081966 × 10^6
Prime Factorization
2 × 3 × 7 × 59 × 7297
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
18081966
Product of the distinct prime numbers
The prime factorization of 18081966 is 2 × 3 × 7 × 59 × 7297.
Since it has a total of 5 prime factors.
6 , 9 , 34 , 69 , 686 , 840 , 4234 , 9237 , 76117 , 66818 , 901568 , 825431 , 9316843 , 2848443 , 17496913 , 65157131 , 382559822 , 777855042 , 8414565655 , 9074383577
n×2
36163932
n×3
54245898
n×4
72327864
n×5
90409830
n÷2
9040983
n÷3
6027322
n÷3
4520491.5
n÷5
3616393.2
n2
326957494425156
n3
5.9120342976409E+21
n4
1.0690120316078E+29
n5
1.9329839209122E+36
2 √n
4252.289500963
3 √n
262.47133655277
4 √n
65.209581358593
5 √n
28.278028617953
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 59 , 118 , 177 , 354 , 413 , 826 , 1239 , 2478 , 7297 , 14594 , 21891 , 43782 , 51079 , 102158 , 153237 , 306474 , 430523 , 861046 , 1291569 , 2583138 , 3013661 , 6027322 , 9040983 , 18081966
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
-18081965
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 18081966 can be divided by 32 positive divisors.
The sum of these divisors (counting 18081966) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1000100111110100010101110
3
Ternary
1021000122210110
4
Quaternary
1010332202232
5
Quinary
14112110331
6
Senary
1443320450
8
Octal
104764256
10
Decimal
18081966
12
Duodecimal
6080126
16
Hexadecimal
113e8ae
20
Vigesimal
5d04i6
36
Base36
ark4u
md5
a4771b7ed029cea0ab82284daea14f38
sha1
2a512bc7eebaf2853c9baee23bc79a9c9901c7f8
sha256
ac4f0947ef13587932d1dfa232bcccbde81f13839a40df851c570bc4c48fe54d
sha512
4b5553448b7cbba90d5b93ccc06441a4a178444958857c0769fcd76f785daaecb13b3d8383e2732d2ecda49470c766c8c49e8708be648004f6cb87f8dbb16ab7
ripemd-160
fc21fced3c067ede49715085675b71b1b4a68a50
Diameter
36163932
Circumference
113612343.09612
Area
1.0271672625222E+15
Volume
2.4764271356319E+22
Surface area
4.1086690500888E+15
Circumference
113612343.09612
Perimeter
72327864
Area
326957494425156
Diagonal
25571761.551569
Surface area
1961744966550936
Volume
5.9120342976409E+21
Space diagonal
31318883.812733
Perimeter
54245898
Area
1.4157674806495E+14
Altitude
15659441.906366
Surface area
1.4157674806495E+14
Volume
6.9673992374488E+20
Height
8523920.5171897