1388661640 (number)

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.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million six hundred sixty-one thousand six hundred forty

Notation

Scientific notation 1.388661640 × 10^9
Engineering notation 1.388661640 × 10^9

Prime Factorization of 1388661640

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.

Most popular turbo-numbers

Basic calculations (n = 1388661640)

Multiplication

n×y
n×2 2777323280
n×3 4165984920
n×4 5554646560
n×5 6943308200

Division

n÷y
n÷2 694330820
n÷3 462887213.33333
n÷3 347165410
n÷5 277732328

Exponentiation

ny
n2 1928381150407489600
n3 2.67786893087E+27
n4 3.7186538612469E+36
n5 5.1639519695515E+45

Nth Root

y√n
2√n 37264.750636493
3√n 1115.6607289935
4√n 193.04080044512
5√n 67.378181862007

Divisors of 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 conversion 1388661640

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

Cryptographic Hash Functions

md5 b66ec84694c7dab01e71859d50065671
sha1 489d7cf8de62a50f68fadfc7865335ac43d7f605
sha256 53399a6b19d86dc382d9181b1a7b323602fc44d91376bd1947eb19296263dafa
sha512 93887f81119ced1f675d366a2b128a54dfd0ba55234fc4a6d13181f49c811d44fc29bc1c1e0d3d1c709c1d1ae426b926b34db3f2d2feb586f46b7fa9076624de
ripemd-160 0b83136b9f9b1ca2f3e72762a59f87d7ffe8d9ce

1388661640 as geometric shapes

Circle

Radius = n
Diameter 2777323280
Circumference 8725218413.0919
Area 6.0581880554412E+18

Sphere

Radius = n
Volume 1.121703114733E+28
Surface area 2.4232752221765E+19
Circumference 8725218413.0919

Square

Length = n
Perimeter 5554646560
Area 1928381150407489600
Diagonal 1963864124.8353

Cube

Length = n
Surface area 1.1570286902445E+19
Volume 2.67786893087E+27
Space diagonal 2405232515.0019

Equilateral Triangle

Length = n
Perimeter 4165984920
Area 8.3501353221597E+17
Altitude 1202616257.501

Triangular Pyramid

Length = n
Surface area 8.3501353221597E+17
Volume 3.1558988002449E+26
Height 654621374.94509