388680986 is an even 9-digits composite number following 388680985
and preceding 388680987 . In scientific notation, it is written as 3.88680986 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 183991248 positive integers (up to 388680986) that are relatively prime to 388680986.
388680986 has 16 divisors, whose sum is 614109600
The reverse of 388680986 is 689086883
Previous prime number is 4373
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
three hundred eighty-eight million six hundred eighty thousand nine hundred eighty-six
Scientific notation
3.88680986 × 10^8
Engineering notation
3.88680986 × 10^6
Prime Factorization
2 × 19 × 4373 × 2339
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388680986
Product of the distinct prime numbers
The prime factorization of 388680986 is 2 × 19 × 4373 × 2339.
Since it has a total of 4 prime factors.
6 , 9 , 25 , 3 , 653 , 140 , 8019 , 1523 , 57115 , 44047 , 975329 , 146952 , 6647357 , 4214156 , 92198797 , 38535528 , 98554989 , 627311444 , 1153075254 , 1061527717
n×2
777361972
n×3
1166042958
n×4
1554723944
n×5
1943404930
n÷2
194340493
n÷3
129560328.66667
n÷3
97170246.5
n÷5
77736197.2
n2
151072908877932196
n3
5.8719167180563E+25
n4
2.282302379684E+34
n5
8.8708753928572E+42
2 √n
19714.993938624
3 √n
729.78975993579
4 √n
140.41009201131
5 √n
52.229835637488
1 , 2 , 19 , 38 , 2339 , 4373 , 4678 , 8746 , 44441 , 83087 , 88882 , 166174 , 10228447 , 20456894 , 194340493 , 388680986
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
-388680985
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 388680986 can be divided by 16 positive divisors.
The sum of these divisors (counting 388680986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010101100110100011010
3
Ternary
1000002101001002002
4
Quaternary
113022230310122
5
Quinary
1244000242421
6
Senary
102322441002
8
Octal
2712546432
10
Decimal
388680986
12
Duodecimal
aa203162
16
Hexadecimal
172acd1a
20
Vigesimal
6195296
36
Base36
6fes62
md5
47a6f335c738a239ec8b73045bb12980
sha1
d1e94c7702d407867df1983c12fb57c2fe9d924f
sha256
da750737557e76576c4d4a8664aeed58d03213ed8b5af508315fa3c4bf5fdcca
sha512
b43c686377839ac1c382de174a5b2963279ed3b8a8ff69e98a5b2da6053020458d3cef2edf54620cc803138853ed882d54cdaf94e9575d5cc98915f1dd0c03ae
ripemd-160
3acb31b8c1e659754e935051e3510aecac024916
Diameter
777361972
Circumference
2442154660.4153
Area
4.7460954068735E+17
Volume
2.4596227231916E+26
Surface area
1.8984381627494E+18
Circumference
2442154660.4153
Perimeter
1554723944
Area
151072908877932196
Diagonal
549677921.83775
Surface area
906437453267593176
Volume
5.8719167180563E+25
Space diagonal
673215215.68797
Perimeter
1166042958
Area
6.541648845595E+16
Altitude
336607607.84398
Surface area
6.541648845595E+16
Volume
6.9201202165004E+24
Height
183225973.94592