388680989 is an odd 9-digits composite number following 388680988
and preceding 388680990 . In scientific notation, it is written as 3.88680989 × 10^8.
The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors.
There are 386645820 positive integers (up to 388680989) that are relatively prime to 388680989.
388680989 has 4 divisors, whose sum is 390716160
The reverse of 388680989 is 989086883
Previous prime number is 191
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 59
Digital Root 5
Name
three hundred eighty-eight million six hundred eighty thousand nine hundred eighty-nine
Scientific notation
3.88680989 × 10^8
Engineering notation
3.88680989 × 10^6
Prime Factorization
191 × 2034979
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388680989
Product of the distinct prime numbers
The prime factorization of 388680989 is 191 × 2034979.
Since it has a total of 2 prime factors.
10 , 8 , 69 , 21 , 564 , 378 , 1391 , 799 , 38499 , 88694 , 182639 , 553957 , 9918169 , 7932517 , 57082053 , 46636167 , 130010544 , 617538197 , 2666086499 , 4325071080
n×2
777361978
n×3
1166042967
n×4
1554723956
n×5
1943404945
n÷2
194340494.5
n÷3
129560329.66667
n÷3
97170247.25
n÷5
77736197.8
n2
151072911210018121
n3
5.8719168540219E+25
n4
2.282302450147E+34
n5
8.8708757352026E+42
2 √n
19714.994014709
3 √n
729.7897618134
4 √n
140.41009228225
5 √n
52.229835718115
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-388680988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388680989 can be divided by 4 positive divisors.
The sum of these divisors (counting 388680989) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010101100110100011101
3
Ternary
1000002101001002012
4
Quaternary
113022230310131
5
Quinary
1244000242424
6
Senary
102322441005
8
Octal
2712546435
10
Decimal
388680989
12
Duodecimal
aa203165
16
Hexadecimal
172acd1d
20
Vigesimal
6195299
36
Base36
6fes65
md5
b97d8a4969f6198e70585fe0a353f108
sha1
3ffd409a1e9ae8e2abd284c4ed10dc2b20050ba1
sha256
a4237260bf2355239250001b0da18863f057751e64cee13a74903eb758c46e0a
sha512
112b866a48470ccf33ca98c4644e803e956e569e7321890bd7e849d4e87529d7e7e3e35fef968f9720329770abee4323708954ff6f81ca97ebf0f170f8bd5703
ripemd-160
c42e4e821aa3f005c1513a973e741ddc648b1a1d
Diameter
777361978
Circumference
2442154679.2648
Area
4.7460954801382E+17
Volume
2.4596227801447E+26
Surface area
1.8984381920553E+18
Circumference
2442154679.2648
Perimeter
1554723956
Area
151072911210018121
Diagonal
549677926.08039
Surface area
906437467260108726
Volume
5.8719168540219E+25
Space diagonal
673215220.88412
Perimeter
1166042967
Area
6.5416489465773E+16
Altitude
336607610.44206
Surface area
6.5416489465773E+16
Volume
6.9201203767374E+24
Height
183225975.36013