1388402768 (number)

1388402768 is an even 10-digits composite number following 1388402767 and preceding 1388402769. In scientific notation, it is written as 1.388402768 × 10^9. The sum of its digits is 47. It has a total of 7 prime factors and 40 positive divisors. There are 682186752 positive integers (up to 1388402768) that are relatively prime to 1388402768.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million four hundred two thousand seven hundred sixty-eight

Notation

Scientific notation 1.388402768 × 10^9
Engineering notation 1.388402768 × 10^9

Prime Factorization of 1388402768

Prime Factorization 2 × 2 × 2 × 2 × 73 × 293 × 4057

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 173550346
Product of the distinct prime numbers

The prime factorization of 1388402768 is 2 × 2 × 2 × 2 × 73 × 293 × 4057. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1388402768)

Multiplication

n×y
n×2 2776805536
n×3 4165208304
n×4 5553611072
n×5 6942013840

Division

n÷y
n÷2 694201384
n÷3 462800922.66667
n÷3 347100692
n÷5 277680553.6

Exponentiation

ny
n2 1927662246190061824
n3 2.6763715983794E+27
n4 3.7158817353865E+36
n5 5.1591404869713E+45

Nth Root

y√n
2√n 37261.277058093
3√n 1115.5913981442
4√n 193.03180322966
5√n 67.37566956888

Divisors of 1388402768

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1388402767
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1388402768 can be divided by 40 positive divisors. The sum of these divisors (counting 1388402768) is 1, the average is 0.025.

Base conversion 1388402768

Base System Value
2 Binary 1010010110000010101100001010000
3 Ternary 10120202112011112202
4 Quaternary 1102300111201100
5 Quinary 10320412342033
6 Senary 345434142332
8 Octal 12260254120
10 Decimal 1388402768
12 Duodecimal 328b819a8
16 Hexadecimal 52c15850
20 Vigesimal 11dha6i8
36 Base36 mymafk

Cryptographic Hash Functions

md5 510d325060caa86ae3b5d1f14c232fe5
sha1 d80b0d311529636d3444e98eecbac69650a999d4
sha256 d72e6517df8ce63d1b3e3610fce7daaad689f85e334c48733cfaae6fbb5497ec
sha512 77d3d2929ef59462d62188b01b2ae7f0e26a23cd9ef5f14c2d900af6e13eddb0d4381027a665faf6f72ce3ff920eecc97be20a52bb2f46c7eab15d760768471d
ripemd-160 5334900f3e4418e8923bed30e81377e221769a08

1388402768 as geometric shapes

Circle

Radius = n
Diameter 2776805536
Circumference 8723591872.3451
Area 6.0559295512331E+18

Sphere

Radius = n
Volume 1.121075913566E+28
Surface area 2.4223718204932E+19
Circumference 8723591872.3451

Square

Length = n
Perimeter 5553611072
Area 1927662246190061824
Diagonal 1963498024.5419

Cube

Length = n
Surface area 1.156597347714E+19
Volume 2.6763715983794E+27
Space diagonal 2404784135.5453

Equilateral Triangle

Length = n
Perimeter 4165208304
Area 8.3470223755838E+17
Altitude 1202392067.7726

Triangular Pyramid

Length = n
Surface area 8.3470223755838E+17
Volume 3.1541341769819E+26
Height 654499341.51398