1388661640 is an even 10-digits composite number following 1388661639
and preceding 1388661641 . In scientific notation, it is written as 1.388661640 × 10^9.
The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors.
There are 555464640 positive integers (up to 1388661640) that are relatively prime to 1388661640.
1388661640 has 16 divisors, whose sum is 3124488780
The reverse of 1388661640 is 0461668831
Previous prime number is 5
Is Prime? no
Number parity even
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion three hundred eighty-eight million six hundred sixty-one thousand six hundred forty
Scientific notation
1.388661640 × 10^9
Engineering notation
1.388661640 × 10^9
Prime Factorization
2 × 2 × 2 × 5 × 34716541
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
347165410
Product of the distinct prime numbers
The prime factorization of 1388661640 is 2 × 2 × 2 × 5 × 34716541.
Since it has a total of 5 prime factors.
9 , 3 , 72 , 97 , 925 , 720 , 1582 , 4557 , 1408 , 45462 , 528724 , 519595 , 6327474 , 4765387 , 28531945 , 52977073 , 488308802 , 9557059 , 3462492615 , 5140904788
n×2
2777323280
n×3
4165984920
n×4
5554646560
n×5
6943308200
n÷2
694330820
n÷3
462887213.33333
n÷3
347165410
n÷5
277732328
n2
1928381150407489600
n3
2.67786893087E+27
n4
3.7186538612469E+36
n5
5.1639519695515E+45
2 √n
37264.750636493
3 √n
1115.6607289935
4 √n
193.04080044512
5 √n
67.378181862007
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 34716541 , 69433082 , 138866164 , 173582705 , 277732328 , 347165410 , 694330820 , 1388661640
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
-1388661639
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 1388661640 can be divided by 16 positive divisors.
The sum of these divisors (counting 1388661640) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110001010100101110001000
3
Ternary
10120210000022122121
4
Quaternary
1102301110232020
5
Quinary
10320444133030
6
Senary
345443501024
8
Octal
12261245610
10
Decimal
1388661640
12
Duodecimal
329087774
16
Hexadecimal
52c54b88
20
Vigesimal
11dj2e20
36
Base36
myru6g
md5
b66ec84694c7dab01e71859d50065671
sha1
489d7cf8de62a50f68fadfc7865335ac43d7f605
sha256
53399a6b19d86dc382d9181b1a7b323602fc44d91376bd1947eb19296263dafa
sha512
93887f81119ced1f675d366a2b128a54dfd0ba55234fc4a6d13181f49c811d44fc29bc1c1e0d3d1c709c1d1ae426b926b34db3f2d2feb586f46b7fa9076624de
ripemd-160
0b83136b9f9b1ca2f3e72762a59f87d7ffe8d9ce
Diameter
2777323280
Circumference
8725218413.0919
Area
6.0581880554412E+18
Volume
1.121703114733E+28
Surface area
2.4232752221765E+19
Circumference
8725218413.0919
Perimeter
5554646560
Area
1928381150407489600
Diagonal
1963864124.8353
Surface area
1.1570286902445E+19
Volume
2.67786893087E+27
Space diagonal
2405232515.0019
Perimeter
4165984920
Area
8.3501353221597E+17
Altitude
1202616257.501
Surface area
8.3501353221597E+17
Volume
3.1558988002449E+26
Height
654621374.94509