218973728 is an even 9-digits composite number following 218973727
and preceding 218973729 . In scientific notation, it is written as 2.18973728 × 10^8.
The sum of its digits is 47. It has a total of 6 prime factors and 12 positive divisors.
There are 109486848 positive integers (up to 218973728) that are relatively prime to 218973728.
218973728 has 12 divisors, whose sum is 431104590
The reverse of 218973728 is 827379812
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred eighteen million nine hundred seventy-three thousand seven hundred twenty-eight
Scientific notation
2.18973728 × 10^8
Engineering notation
2.18973728 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 6842929
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
13685858
Product of the distinct prime numbers
The prime factorization of 218973728 is 2 × 2 × 2 × 2 × 2 × 6842929.
Since it has a total of 6 prime factors.
10 , 6 , 3 , 30 , 582 , 316 , 1800 , 166 , 26724 , 87683 , 501716 , 192727 , 3588216 , 4796278 , 86118557 , 65505471 , 520842940 , 436259085 , 9514091760 , 3104737030
n×2
437947456
n×3
656921184
n×4
875894912
n×5
1094868640
n÷2
109486864
n÷3
72991242.666667
n÷3
54743432
n÷5
43794745.6
n2
47949493554217984
n3
1.0499679359279E+25
n4
2.299153932106E+33
n5
5.0345430775911E+41
2 √n
14797.760911706
3 √n
602.74091179004
4 √n
121.64604766167
5 √n
46.567015258031
1 , 2 , 4 , 8 , 16 , 32 , 6842929 , 13685858 , 27371716 , 54743432 , 109486864 , 218973728
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
-218973727
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 218973728 can be divided by 12 positive divisors.
The sum of these divisors (counting 218973728) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101000011010100011000100000
3
Ternary
120021001000111002
4
Quaternary
31003110120200
5
Quinary
422024124403
6
Senary
33421211132
8
Octal
1503243040
10
Decimal
218973728
12
Duodecimal
61400aa8
16
Hexadecimal
d0d4620
20
Vigesimal
388be68
36
Base36
3mdd7k
md5
a5875444ec4b7daa2bd665cc6c50fe9d
sha1
4784a4ef6408e9cf0beb38150f308607a3ea2817
sha256
bb41aa23c900e562bf3aa94ffc5fef77f659530bd029c1609fb3cb591b4a78d3
sha512
37009bec4238ff5dae2c5f733975f9cbe008c51978fd79a3e18beb07a922494146ae87b5dceba5a9e36971532d6f96ce0aef25ea4d3a95bf2d1d965a2b2c236c
ripemd-160
06dc4589ece7ede9a483b7c43d56013baa2ead42
Diameter
437947456
Circumference
1375852510.4279
Area
1.5063777669328E+17
Volume
4.3980954053546E+25
Surface area
6.0255110677313E+17
Circumference
1375852510.4279
Perimeter
875894912
Area
47949493554217984
Diagonal
309675615.941
Surface area
287696961325307904
Volume
1.0499679359279E+25
Space diagonal
379273622.41877
Perimeter
656921184
Area
2.0762739758275E+16
Altitude
189636811.20938
Surface area
2.0762739758275E+16
Volume
1.2373990792051E+24
Height
103225205.31367