388739969 is an odd 9-digits composite number following 388739968
and preceding 388739970 . In scientific notation, it is written as 3.88739969 × 10^8.
The sum of its digits is 62. It has a total of 4 prime factors and 12 positive divisors.
There are 354062400 positive integers (up to 388739969) that are relatively prime to 388739969.
388739969 has 12 divisors, whose sum is 426283008
The reverse of 388739969 is 969937883
Previous prime number is 31
Is Prime? no Number parity odd Number length 9 Sum of Digits 62 Digital Root 8
Name
three hundred eighty-eight million seven hundred thirty-nine thousand nine hundred sixty-nine
Scientific notation
3.88739969 × 10^8
Engineering notation
3.88739969 × 10^6
Prime Factorization
17 × 17 × 31 × 43391
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
22867057 Product of the distinct prime numbers
The prime factorization of 388739969 is 17 × 17 × 31 × 43391.
Since it has a total of 4 prime factors.
2 , 2 , 42 , 98 , 565 , 494 , 429 , 8656 , 28064 , 29933 , 68528 , 876610 , 6928123 , 562009 , 89005661 , 53770211 , 835231157 , 826715215 , 5834375713 , 1305398234
n×2
777479938
n×3
1166219907
n×4
1554959876
n×5
1943699845
n÷2
194369984.5
n÷3
129579989.66667
n÷3
97184992.25
n÷5
77747993.8
n2
151118763498120961
n3
5.8745903437578E+25
n4
2.2836880681201E+34
n5
8.8776082880668E+42
2 √n19716.489773791
3 √n729.82667368061
4 √n140.41541857571
5 √n52.231420734534
1 , 17 , 31 , 289 , 527 , 8959 , 43391 , 737647 , 1345121 , 12539999 , 22867057 , 388739969
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
-388739968 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 388739969 can be divided by 12 positive divisors.
The sum of these divisors (counting 388739969) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111001010111011001110000001
3
Ternary
1000002111000222122
4
Quaternary
113022323032001
5
Quinary
1244004134334
6
Senary
102324014025
8
Octal
2712731601
10
Decimal
388739969
12
Duodecimal
aa231315
16
Hexadecimal
172bb381
20
Vigesimal
619c9i9
36
Base36
6fg1oh
md5
78ba5d870c1cc3d2429df0c3832b8229
sha1
5d975a152910d26a95b57ee0f8947ddc50513f9e
sha256
450161ce34834e6b6e025f04fff5a5084c0d513e944a7b6e5fc316b39345e692
sha512
4332fb87133d89f5c2f60322b4e7315f1ce483a76266c56d9225d5ed48079e749138a3dbbe661185458d0d78e45463e8b16c7c98ffaed05580e76040a819d251
ripemd-160
5b62f3f289348df015204ba29ebe9aecf73088b9
Diameter
777479938
Circumference
2442525261.5342
Area
4.7475359722527E+17
Volume
2.4607426489065E+26
Surface area
1.8990143889011E+18
Circumference
2442525261.5342
Perimeter
1554959876
Area
151118763498120961
Diagonal
549761336.3963
Surface area
906712580988725766
Volume
5.8745903437578E+25
Space diagonal
673317377.24075
Perimeter
1166219907
Area
6.5436344088933E+16
Altitude
336658688.62038
Surface area
6.5436344088933E+16
Volume
6.9232711146069E+24
Height
183253778.79877