18997071 is an odd 8-digits composite number following 18997070
and preceding 18997072 . In scientific notation, it is written as 1.8997071 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 12395160 positive integers (up to 18997071) that are relatively prime to 18997071.
18997071 has 8 divisors, whose sum is 25868544
The reverse of 18997071 is 17079981
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
eighteen million nine hundred ninety-seven thousand seventy-one
Scientific notation
1.8997071 × 10^7
Engineering notation
1.8997071 × 10^6
Prime Factorization
3 × 47 × 134731
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
18997071
Product of the distinct prime numbers
The prime factorization of 18997071 is 3 × 47 × 134731.
Since it has a total of 3 prime factors.
4 , 10 , 50 , 56 , 76 , 280 , 3193 , 1795 , 4471 , 36020 , 589745 , 775297 , 9106311 , 5127370 , 20084910 , 10653284 , 794830464 , 246629832 , 8712921015 , 5585113138
n×2
37994142
n×3
56991213
n×4
75988284
n×5
94985355
n÷2
9498535.5
n÷3
6332357
n÷3
4749267.75
n÷5
3799414.2
n2
360888706579041
n3
6.8558283819802E+21
n4
1.3024065853629E+29
n5
2.4741910373007E+36
2 √n
4358.562951249
3 √n
266.82645232819
4 √n
66.019413442176
5 √n
28.558627325123
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-18997070
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 18997071 can be divided by 8 positive divisors.
The sum of these divisors (counting 18997071) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000011101111101001111
3
Ternary
1022202011002020
4
Quaternary
1020131331033
5
Quinary
14330401241
6
Senary
1515101223
8
Octal
110357517
10
Decimal
18997071
12
Duodecimal
6441813
16
Hexadecimal
121df4f
20
Vigesimal
5iecdb
36
Base36
bb68f
md5
9bf9cf9f9b132fba6dc1a1612b333517
sha1
22bef92f974b4937461f192fe9fc5472ea0d15ba
sha256
d418ea08649f9f2bedd54c7d32cccc9bed5021da54663bba0096b3d1ad295987
sha512
a1cf8117359bf62e9a6f826e35179297e5132463686df65365220dbc240cbab0aeba1c5e1e5e4266aa5742a5c182596d3e2ea50b97d27369900be810996b582e
ripemd-160
d3cb238d5eaad6c0b15323e5cdc113ecf0058142
Diameter
37994142
Circumference
119362117.38665
Area
1.1337653093522E+15
Volume
2.8717626772135E+22
Surface area
4.535061237409E+15
Circumference
119362117.38665
Perimeter
75988284
Area
360888706579041
Diagonal
26865915.453565
Surface area
2165332239474246
Volume
6.8558283819802E+21
Space diagonal
32903892.166993
Perimeter
56991213
Area
1.5626939391818E+14
Altitude
16451946.083497
Surface area
1.5626939391818E+14
Volume
8.0796712325823E+20
Height
8955305.1511882