388628289 is an odd 9-digits composite number following 388628288
and preceding 388628290 . In scientific notation, it is written as 3.88628289 × 10^8.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 217346688 positive integers (up to 388628289) that are relatively prime to 388628289.
388628289 has 16 divisors, whose sum is 504000000
The reverse of 388628289 is 982826883
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
three hundred eighty-eight million six hundred twenty-eight thousand two hundred eighty-nine
Scientific notation
3.88628289 × 10^8
Engineering notation
3.88628289 × 10^6
Prime Factorization
9 × 7 × 47 × 131249
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
388628289
Product of the distinct prime numbers
The prime factorization of 388628289 is 9 × 7 × 47 × 131249.
Since it has a total of 4 prime factors.
7 , 8 , 36 , 81 , 619 , 333 , 837 , 1218 , 40150 , 87928 , 65395 , 447260 , 8193799 , 5365065 , 75855169 , 51862160 , 560973283 , 147540792 , 3858166666 , 8494773884
n×2
777256578
n×3
1165884867
n×4
1554513156
n×5
1943141445
n÷2
194314144.5
n÷3
129542763
n÷3
97157072.25
n÷5
77725657.8
n2
151031947011067521
n3
5.869528715125E+25
n4
2.2810649017954E+34
n5
8.864863498827E+42
2 √n
19713.657423218
3 √n
729.75677704364
4 √n
140.4053326025
5 √n
52.228419306345
1 , 7 , 9 , 47 , 63 , 329 , 423 , 2961 , 131249 , 918743 , 1181241 , 6168703 , 8268687 , 43180921 , 55518327 , 388628289
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
-388628288
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 388628289 can be divided by 16 positive divisors.
The sum of these divisors (counting 388628289) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10111001010011111111101000001
3
Ternary
1000002021100210100
4
Quaternary
113022133331001
5
Quinary
1243442101124
6
Senary
102321353013
8
Octal
2712377501
10
Decimal
388628289
12
Duodecimal
aa198769
16
Hexadecimal
1729ff41
20
Vigesimal
618iae9
36
Base36
6fdni9
md5
38c48b473f9de93eb1d55e88c3acf26c
sha1
e7136bb4500ca847371f8fb62ccf7eb65fd36bfd
sha256
24ec0f7641914e064938485e2901b0a1a57d415bc99c17ce633482914c0a0166
sha512
c0130a54dfeabd07d3d21874db391bcc9bd8ef723a57dff7106fca3490680815bd784625329741f6a5fe1cf973671fce424c859fc285e55513bb77c72a519b45
ripemd-160
251b67b9e68acebc51ecc683bae98ce29c71933c
Diameter
777256578
Circumference
2441823555.3991
Area
4.7448085518733E+17
Volume
2.4586224388628E+26
Surface area
1.8979234207493E+18
Circumference
2441823555.3991
Perimeter
1554513156
Area
151031947011067521
Diagonal
549603397.02565
Surface area
906191682066405126
Volume
5.869528715125E+25
Space diagonal
673123941.80656
Perimeter
1165884867
Area
6.5398751447305E+16
Altitude
336561970.90328
Surface area
6.5398751447305E+16
Volume
6.9173059280567E+24
Height
183201132.34188