388639047 is an odd 9-digits composite number following 388639046
and preceding 388639048 . In scientific notation, it is written as 3.88639047 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 259092696 positive integers (up to 388639047) that are relatively prime to 388639047.
388639047 has 4 divisors, whose sum is 518185400
The reverse of 388639047 is 740936883
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
three hundred eighty-eight million six hundred thirty-nine thousand forty-seven
Scientific notation
3.88639047 × 10^8
Engineering notation
3.88639047 × 10^6
Prime Factorization
3 × 129546349
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
388639047
Product of the distinct prime numbers
The prime factorization of 388639047 is 3 × 129546349.
Since it has a total of 2 prime factors.
1 , 3 , 70 , 78 , 735 , 601 , 1839 , 3389 , 74963 , 19932 , 532089 , 987716 , 8706431 , 5277004 , 16562135 , 41547695 , 995219080 , 878660256 , 900354644 , 3911089791
n×2
777278094
n×3
1165917141
n×4
1554556188
n×5
1943195235
n÷2
194319523.5
n÷3
129546349
n÷3
97159761.75
n÷5
77727809.4
n2
151040308853068209
n3
5.8700161691242E+25
n4
2.281317489843E+34
n5
8.8660905515702E+42
2 √n
19713.930277852
3 √n
729.76351068535
4 √n
140.40630426677
5 √n
52.228708460341
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
-388639046
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 388639047 can be divided by 4 positive divisors.
The sum of these divisors (counting 388639047) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111001010100010100101000111
3
Ternary
1000002021220112210
4
Quaternary
113022202211013
5
Quinary
1243442422142
6
Senary
102321514503
8
Octal
2712424507
10
Decimal
388639047
12
Duodecimal
aa1a2a33
16
Hexadecimal
172a2947
20
Vigesimal
618jhc7
36
Base36
6fdvt3
md5
ce3dfd6ea022425e4f811efd01551498
sha1
f24b34069e84fda1289b1a3d482682f8994f30c1
sha256
7b69c0833bae994026f97a41c677eda412f3ea9794cd16a35e396d409ad4189b
sha512
bc0ce51e6ef312c4e1cac9e42eaccc594365d418dff129448c221ec670b737d5da64c167d83796694cacdc538e8beb3b65143cc9af9099b9e53d10face385092
ripemd-160
3e653e4e06e6347f41021e8747b79f29b0ca1873
Diameter
777278094
Circumference
2441891149.9067
Area
4.7450712468873E+17
Volume
2.4588266231165E+26
Surface area
1.8980284987549E+18
Circumference
2441891149.9067
Perimeter
1554556188
Area
151040308853068209
Diagonal
549618611.13515
Surface area
906241853118409254
Volume
5.8700161691242E+25
Space diagonal
673142575.20915
Perimeter
1165917141
Area
6.5402372231102E+16
Altitude
336571287.60457
Surface area
6.5402372231102E+16
Volume
6.917880398104E+24
Height
183206203.71172