18182997 is an odd 8-digits composite number following 18182996
and preceding 18182998 . In scientific notation, it is written as 1.8182997 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 10349856 positive integers (up to 18182997) that are relatively prime to 18182997.
18182997 has 16 divisors, whose sum is 23179520
The reverse of 18182997 is 79928181
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
eighteen million one hundred eighty-two thousand nine hundred ninety-seven
Scientific notation
1.8182997 × 10^7
Engineering notation
1.8182997 × 10^6
Prime Factorization
9 × 7 × 397 × 727
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18182997
Product of the distinct prime numbers
The prime factorization of 18182997 is 9 × 7 × 397 × 727.
Since it has a total of 4 prime factors.
9 , 5 , 87 , 12 , 6 , 520 , 7779 , 7000 , 11928 , 25904 , 475968 , 583670 , 7858792 , 3977465 , 85626048 , 35450164 , 726735547 , 7905611 , 9086819705 , 7106770486
n×2
36365994
n×3
54548991
n×4
72731988
n×5
90914985
n÷2
9091498.5
n÷3
6060999
n÷3
4545749.25
n÷5
3636599.4
n2
330621379902009
n3
6.0116875588941E+21
n4
1.0931049684831E+29
n5
1.9875924362613E+36
2 √n
4264.1525535562
3 √n
262.95927217544
4 √n
65.300478968812
5 √n
28.309558305125
1 , 7 , 9 , 63 , 397 , 727 , 2779 , 3573 , 5089 , 6543 , 25011 , 45801 , 288619 , 2020333 , 2597571 , 18182997
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
-18182996
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 18182997 can be divided by 16 positive divisors.
The sum of these divisors (counting 18182997) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000101010111001101010101
3
Ternary
1021012210101100
4
Quaternary
1011113031111
5
Quinary
14123323442
6
Senary
1445420313
8
Octal
105271525
10
Decimal
18182997
12
Duodecimal
610a699
16
Hexadecimal
1157355
20
Vigesimal
5dch9h
36
Base36
atq39
md5
095c8be9c746e702444443da9cdddfd5
sha1
54a850cecb44fb18d8ae185a04ccc7e53e828d50
sha256
3077f955ebfc5d54de4699404379c6ed6f51e21237f4a43203fb9521a00a9b7a
sha512
c5ff7b6f62da38991789fc8e71a8bacf141129cd1987281fee7827749ada0262d351f398e9a525104d6dc09076829ec790612b7107e7d4e269b34d051571255a
ripemd-160
c86e33ae8f7f29353149bd3d8a99e5b29e6bdf88
Diameter
36365994
Circumference
114247139.59089
Area
1.0386776982199E+15
Volume
2.5181697960932E+22
Surface area
4.1547107928795E+15
Circumference
114247139.59089
Perimeter
72731988
Area
330621379902009
Diagonal
25714640.961989
Surface area
1983728279412054
Volume
6.0116875588941E+21
Space diagonal
31493874.637872
Perimeter
54548991
Area
1.431632570147E+14
Altitude
15746937.318936
Surface area
1.431632570147E+14
Volume
7.0848417321147E+20
Height
8571546.9873298