1387968 (number)

1387968 is an even 7-digits composite number following 1387967 and preceding 1387969. In scientific notation, it is written as 1.387968 × 10^6. The sum of its digits is 42. It has a total of 8 prime factors and 28 positive divisors. There are 462592 positive integers (up to 1387968) that are relatively prime to 1387968.

Interesting facts

Basic properties

Name

Name one million three hundred eighty-seven thousand nine hundred sixty-eight

Notation

Scientific notation 1.387968 × 10^6
Engineering notation 1.387968 × 10^6

Prime Factorization of 1387968

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7229

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 43374
Product of the distinct prime numbers

The prime factorization of 1387968 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 7229. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1387968)

Multiplication

n×y
n×2 2775936
n×3 4163904
n×4 5551872
n×5 6939840

Division

n÷y
n÷2 693984
n÷3 462656
n÷3 346992
n÷5 277593.6

Exponentiation

ny
n2 1926455169024
n3 2673858128039903232
n4 3.7112295182593E+24
n5 5.1510678119993E+30

Nth Root

y√n
2√n 1178.1205371268
3√n 111.54749396044
4√n 34.323760533001
5√n 16.922942962473

Divisors of 1387968

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1387967
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1387968 can be divided by 28 positive divisors. The sum of these divisors (counting 1387968) is 1, the average is 0.035714285714286.

Base conversion 1387968

Base System Value
2 Binary 101010010110111000000
3 Ternary 2121111221020
4 Quaternary 11102313000
5 Quinary 323403333
6 Senary 45425440
8 Octal 5226700
10 Decimal 1387968
12 Duodecimal 56b280
16 Hexadecimal 152dc0
20 Vigesimal 8d9i8
36 Base36 tqyo

Cryptographic Hash Functions

md5 224d88286b6163e9b4339815023a3efd
sha1 fb4a7edd6b6b39f935ade55f612cbeaa074e2915
sha256 58423f4b66df004b515ed79789a71391d1f6db035ca10bf663c190b2b1e01068
sha512 177076eb8d96cbccb2b7772b3e59ab5478bcd847f8963857487c787352d0a70b14f1cf5ecd31446008bb6b8716194b20642976f3cfd5fddbe4833a86206656f9
ripemd-160 fc5f096a316265135b57ac06e74450357d875c5f

1387968 as geometric shapes

Circle

Radius = n
Diameter 2775936
Circumference 8720860.1444354
Area 6052137406475.9

Sphere

Radius = n
Volume 1.1200230735722E+19
Surface area 24208549625904
Circumference 8720860.1444354

Square

Length = n
Perimeter 5551872
Area 1926455169024
Diagonal 1962883.1697399

Cube

Length = n
Surface area 11558731014144
Volume 2673858128039903232
Space diagonal 2404031.0952798

Equilateral Triangle

Length = n
Perimeter 4163904
Area 834179557813.31
Altitude 1202015.5476399

Triangular Pyramid

Length = n
Surface area 834179557813.31
Volume 3.1511720237796E+17
Height 654294.38991329