18986875 is an odd 8-digits composite number following 18986874
and preceding 18986876 . In scientific notation, it is written as 1.8986875 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 14288000 positive integers (up to 18986875) that are relatively prime to 18986875.
18986875 has 16 divisors, whose sum is 24331104
The reverse of 18986875 is 57868981
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
eighteen million nine hundred eighty-six thousand eight hundred seventy-five
Scientific notation
1.8986875 × 10^7
Engineering notation
1.8986875 × 10^6
Prime Factorization
17 × 125 × 5 × 1787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18986875
Product of the distinct prime numbers
The prime factorization of 18986875 is 17 × 125 × 5 × 1787.
Since it has a total of 4 prime factors.
5 , 9 , 25 , 4 , 742 , 255 , 9757 , 949 , 12567 , 47000 , 835379 , 802985 , 5662649 , 6835619 , 87259331 , 35998065 , 302190426 , 91869884 , 2421503039 , 1192805020
n×2
37973750
n×3
56960625
n×4
75947500
n×5
94934375
n÷2
9493437.5
n÷3
6328958.3333333
n÷3
4746718.75
n÷5
3797375
n2
360501422265625
n3
6.8447954418796E+21
n4
1.2996127545554E+29
n5
2.4675584919149E+36
2 √n
4357.3931426944
3 √n
266.77870725958
4 √n
66.010553267598
5 √n
28.555561101942
1 , 5 , 17 , 85 , 125 , 625 , 1787 , 2125 , 8935 , 10625 , 30379 , 151895 , 223375 , 1116875 , 3797375 , 18986875
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
-18986874
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 18986875 can be divided by 16 positive divisors.
The sum of these divisors (counting 18986875) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011011011101111011
3
Ternary
1022201122002121
4
Quaternary
1020123131323
5
Quinary
14330040000
6
Senary
1514542111
8
Octal
110333573
10
Decimal
18986875
12
Duodecimal
6437937
16
Hexadecimal
121b77b
20
Vigesimal
5id73f
36
Base36
bayd7
md5
e4f5d38c9c7268989df7cd6ee565c3eb
sha1
3c128454188e69de809ef8206bd1876a77e069c6
sha256
f22d49f6dd1b0167527097324ca9b7b2350bf529f5323ba4412e7ee2e21d554f
sha512
a762246e5577a3a96f9f4c873f1c28ddadc3e1869daa1a5313eb575efb14a744ed5d6983f6adeacc3833c14dbee95fe2122b4d202896ff370e9c3224daa6ec5c
ripemd-160
a846e301f55219337691aea6af486d867530f85a
Diameter
37973750
Circumference
119298054.02926
Area
1.1325486197984E+15
Volume
2.8671412100712E+22
Surface area
4.5301944791934E+15
Circumference
119298054.02926
Perimeter
75947500
Area
360501422265625
Diagonal
26851496.132083
Surface area
2163008533593750
Volume
6.8447954418796E+21
Space diagonal
32886232.176959
Perimeter
56960625
Area
1.5610169489123E+14
Altitude
16443116.08848
Surface area
1.5610169489123E+14
Volume
8.0666687879798E+20
Height
8950498.7106942