388889660 is an even 9-digits composite number following 388889659
and preceding 388889661 . In scientific notation, it is written as 3.88889660 × 10^8.
The sum of its digits is 56. It has a total of 4 prime factors and 12 positive divisors.
There are 155555856 positive integers (up to 388889660) that are relatively prime to 388889660.
388889660 has 12 divisors, whose sum is 816668328
The reverse of 388889660 is 066988883
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 56
Digital Root 2
Name
three hundred eighty-eight million eight hundred eighty-nine thousand six hundred sixty
Scientific notation
3.88889660 × 10^8
Engineering notation
3.88889660 × 10^6
Prime Factorization
2 × 2 × 5 × 19444483
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
194444830
Product of the distinct prime numbers
The prime factorization of 388889660 is 2 × 2 × 5 × 19444483.
Since it has a total of 4 prime factors.
8 , 5 , 86 , 31 , 80 , 727 , 2917 , 3122 , 28427 , 78264 , 962023 , 354538 , 9788159 , 6361450 , 88518141 , 78434865 , 357600352 , 398745781 , 6429349518 , 3713629917
n×2
777779320
n×3
1166668980
n×4
1555558640
n×5
1944448300
n÷2
194444830
n÷3
129629886.66667
n÷3
97222415
n÷5
77777932
n2
151235167654915600
n3
5.8813792929363E+25
n4
2.287207593561E+34
n5
8.8947138340937E+42
2 √n
19720.285494891
3 √n
729.92033908993
4 √n
140.42893396623
5 √n
52.235442636182
1 , 2 , 4 , 5 , 10 , 20 , 19444483 , 38888966 , 77777932 , 97222415 , 194444830 , 388889660
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
-388889659
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 388889660 can be divided by 12 positive divisors.
The sum of these divisors (counting 388889660) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001011011111110000111100
3
Ternary
1000002202122022202
4
Quaternary
113023133300330
5
Quinary
1244023432120
6
Senary
102331131032
8
Octal
2713376074
10
Decimal
388889660
12
Duodecimal
aa2a3a78
16
Hexadecimal
172dfc3c
20
Vigesimal
61ab430
36
Base36
6fj96k
md5
4b528f5a6b43082642b8793910e35f97
sha1
efb50b25e7c1481980caf2155e4cfa29d6f80852
sha256
150ae5c5916edee424efdeebee5be22fdc079d3ceab4e4783a46b2c03a6e1502
sha512
abfe423431334598b2d887c738f55b1f702d283dbf9b309376f33714727fca1761668e45b394478122cc20c5a3df7ba9dc5a2758181d24a6e1f478fd70f1929c
ripemd-160
1d91993853358b300c3a6a0eb59d7d76516a2d8d
Diameter
777779320
Circumference
2443465797.8261
Area
4.751192916691E+17
Volume
2.4635863972885E+26
Surface area
1.9004771666764E+18
Circumference
2443465797.8261
Perimeter
1555558640
Area
151235167654915600
Diagonal
549973031.43866
Surface area
907411005929493600
Volume
5.8813792929363E+25
Space diagonal
673576649.65819
Perimeter
1166668980
Area
6.5486748567378E+16
Altitude
336788324.82909
Surface area
6.5486748567378E+16
Volume
6.9312719679423E+24
Height
183324343.81289