388681639 is an odd 9-digits prime number following 388681638
and preceding 388681640 . In scientific notation, it is written as 3.88681639 × 10^8.
The sum of its digits is 52. It has a total of 1 prime factors and 2 positive divisors.
There are 388681638 positive integers (up to 388681639) that are relatively prime to 388681639.
388681639 has 2 divisors, whose sum is 388681640
The reverse of 388681639 is 936186883
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 52
Digital Root 7
Name
three hundred eighty-eight million six hundred eighty-one thousand six hundred thirty-nine
Scientific notation
3.88681639 × 10^8
Engineering notation
3.88681639 × 10^6
Prime Factorization
388681639
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
388681639
Product of the distinct prime numbers
The prime factorization of 388681639 is 388681639.
Since it has a total of 1 prime factors.
10 , 4 , 45 , 76 , 596 , 299 , 9458 , 1101 , 14173 , 55540 , 512995 , 504650 , 2486037 , 6936793 , 36807272 , 73061820 , 377517449 , 517068851 , 5606462393 , 79704401
n×2
777363278
n×3
1166044917
n×4
1554726556
n×5
1943408195
n÷2
194340819.5
n÷3
129560546.33333
n÷3
97170409.75
n÷5
77736327.8
n2
151073416495726321
n3
5.8719463132889E+25
n4
2.2823177171691E+34
n5
8.8709499102803E+42
2 √n
19715.010499617
3 √n
729.79016862781
4 √n
140.41015098495
5 √n
52.22985318713
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
388681640
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
194340820
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19715.010524978
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999948544
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388681639 can be divided by 2 positive divisors.
The sum of these divisors (counting 388681639) is 388681640, the average is 194340820.
Base
System
Value
2
Binary
10111001010101100111110100111
3
Ternary
1000002101001222021
4
Quaternary
113022230332213
5
Quinary
1244000303024
6
Senary
102322444011
8
Octal
2712547647
10
Decimal
388681639
12
Duodecimal
aa203607
16
Hexadecimal
172acfa7
20
Vigesimal
619541j
36
Base36
6feso7
md5
77d020af80a6c0c227cb3157f405ea82
sha1
6111e5f72170bbf1b50d9c6cc6fece5f431867d8
sha256
76d7ee5c0bc2c28d482cf427b01e5d1293132fdd64bf2b48fe1524fdde050e94
sha512
aac430d61f625fcd8dc91cea5edee641b314447a59c63ebf66d1a4d157b7e6dd4c887112c520b81eb9185c4ec24d0f6cc5a12e24ca99089fef7656aae931c710
ripemd-160
2a92100082cf53cd05a76adf8dbd9d711ed57a47
Diameter
777363278
Circumference
2442158763.3353
Area
4.7461113541568E+17
Volume
2.4596351200136E+26
Surface area
1.8984445416627E+18
Circumference
2442158763.3353
Perimeter
1554726556
Area
151073416495726321
Diagonal
549678845.3192
Surface area
906440498974357926
Volume
5.8719463132889E+25
Space diagonal
673216346.71714
Perimeter
1166044917
Area
6.5416708260903E+16
Altitude
336608173.35857
Surface area
6.5416708260903E+16
Volume
6.9201550948165E+24
Height
183226281.77307