18993755 is an odd 8-digits composite number following 18993754
and preceding 18993756 . In scientific notation, it is written as 1.8993755 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 13735680 positive integers (up to 18993755) that are relatively prime to 18993755.
18993755 has 16 divisors, whose sum is 25005024
The reverse of 18993755 is 55739981
Previous prime number is 197
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
eighteen million nine hundred ninety-three thousand seven hundred fifty-five
Scientific notation
1.8993755 × 10^7
Engineering notation
1.8993755 × 10^6
Prime Factorization
5 × 11 × 197 × 1753
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
18993755
Product of the distinct prime numbers
The prime factorization of 18993755 is 5 × 11 × 197 × 1753.
Since it has a total of 4 prime factors.
4 , 7 , 16 , 45 , 253 , 531 , 868 , 6895 , 95910 , 88801 , 580392 , 164137 , 9851754 , 2677364 , 12236904 , 22142111 , 465179439 , 18835497 , 982095741 , 1596479056
n×2
37987510
n×3
56981265
n×4
75975020
n×5
94968775
n÷2
9496877.5
n÷3
6331251.6666667
n÷3
4748438.75
n÷5
3798751
n2
360762729000025
n3
6.8522388877579E+21
n4
1.3014974663555E+29
n5
2.4720324009076E+36
2 √n
4358.1825340387
3 √n
266.81092628556
4 √n
66.016532278201
5 √n
28.557630255406
1 , 5 , 11 , 55 , 197 , 985 , 1753 , 2167 , 8765 , 10835 , 19283 , 96415 , 345341 , 1726705 , 3798751 , 18993755
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
-18993754
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 18993755 can be divided by 16 positive divisors.
The sum of these divisors (counting 18993755) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001000011101001001011011
3
Ternary
1022201222112102
4
Quaternary
1020131021123
5
Quinary
14330300010
6
Senary
1515034015
8
Octal
110351133
10
Decimal
18993755
12
Duodecimal
643b90b
16
Hexadecimal
121d25b
20
Vigesimal
5ie47f
36
Base36
bb3ob
md5
1750fa573bd25a1de4a55ae5b9d6a974
sha1
aa1ecb4fb70295301ecd1755d4597c479ab73dbd
sha256
fae54e448e3f4faae423b234152fc6250b1b783f98c65d902bc13dac4c7c7160
sha512
26ad6603298482f84cf068ec7f0ff91c74757e0fc6398965eb81c6802a26c5fa7259fc9e20d0fb456d23647fdf87e445b07f65908a26117542b232fd275209f8
ripemd-160
8acd3a979855426a186ec8e483026a9c518b9607
Diameter
37987510
Circumference
119341282.34417
Area
1.1333695391155E+15
Volume
2.8702591133897E+22
Surface area
4.5334781564619E+15
Circumference
119341282.34417
Perimeter
75975020
Area
360762729000025
Diagonal
26861225.921392
Surface area
2164576374000150
Volume
6.8522388877579E+21
Space diagonal
32898148.686515
Perimeter
56981265
Area
1.5621484402631E+14
Altitude
16449074.343258
Surface area
1.5621484402631E+14
Volume
8.0754409730729E+20
Height
8953741.9737973