18461938 is an even 8-digits composite number following 18461937
and preceding 18461939 . In scientific notation, it is written as 1.8461938 × 10^7.
The sum of its digits is 40. It has a total of 4 prime factors and 12 positive divisors.
There are 8391680 positive integers (up to 18461938) that are relatively prime to 18461938.
18461938 has 12 divisors, whose sum is 30439710
The reverse of 18461938 is 83916481
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighteen million four hundred sixty-one thousand nine hundred thirty-eight
Scientific notation
1.8461938 × 10^7
Engineering notation
1.8461938 × 10^6
Prime Factorization
2 × 11 × 11 × 76289
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1678358
Product of the distinct prime numbers
The prime factorization of 18461938 is 2 × 11 × 11 × 76289.
Since it has a total of 4 prime factors.
3 , 8 , 73 , 98 , 384 , 491 , 7929 , 8881 , 85704 , 5678 , 265320 , 34609 , 8937969 , 4143898 , 91709224 , 81019271 , 818854180 , 161123589 , 1090817024 , 8295944424
n×2
36923876
n×3
55385814
n×4
73847752
n×5
92309690
n÷2
9230969
n÷3
6153979.3333333
n÷3
4615484.5
n÷5
3692387.6
n2
340843154715844
n3
6.2926251900883E+21
n4
1.1617405611665E+29
n5
2.1447982212341E+36
2 √n
4296.7357377432
3 √n
264.29711918504
4 √n
65.549490751212
5 √n
28.395888201712
1 , 2 , 11 , 22 , 121 , 242 , 76289 , 152578 , 839179 , 1678358 , 9230969 , 18461938
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
-18461937
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 18461938 can be divided by 12 positive divisors.
The sum of these divisors (counting 18461938) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1000110011011010011110010
3
Ternary
1021201222000111
4
Quaternary
1012123103302
5
Quinary
14211240223
6
Senary
1455411534
8
Octal
106332362
10
Decimal
18461938
12
Duodecimal
6223baa
16
Hexadecimal
119b4f2
20
Vigesimal
5f7egi
36
Base36
azpbm
md5
04ed481cfdbf42abb7cef74e1d62d21f
sha1
c96441b531a66992ded24d250a71395670ed7035
sha256
d9b679b841e308217d823d55e8d82b126992cd2ef9b48d04e6aefc83565797f1
sha512
9b2f6061adc30255bff774b80527f972e780c3baec3ab2eb0754d4653c5bfa1f76d5ce7595b00f49ec45a3e6e5492c16eda37c7d13494849a758dfa73d9bdc7f
ripemd-160
41c8da08dc2655c4297a35a970d4124a7d122af5
Diameter
36923876
Circumference
115999777.58366
Area
1.0707903508817E+15
Volume
2.6358486758634E+22
Surface area
4.2831614035267E+15
Circumference
115999777.58366
Perimeter
73847752
Area
340843154715844
Diagonal
26109123.107291
Surface area
2045058928295064
Volume
6.2926251900883E+21
Space diagonal
31977014.622187
Perimeter
55385814
Area
1.4758941534498E+14
Altitude
15988507.311093
Surface area
1.4758941534498E+14
Volume
7.4159299056279E+20
Height
8703041.0357637