1387945912 (number)

1387945912 is an even 10-digits composite number following 1387945911 and preceding 1387945913. In scientific notation, it is written as 1.387945912 × 10^9. The sum of its digits is 49. It has a total of 5 prime factors and 16 positive divisors. There are 692390400 positive integers (up to 1387945912) that are relatively prime to 1387945912.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-seven million nine hundred forty-five thousand nine hundred twelve

Notation

Scientific notation 1.387945912 × 10^9
Engineering notation 1.387945912 × 10^9

Prime Factorization of 1387945912

Prime Factorization 2 × 2 × 2 × 439 × 395201

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 346986478
Product of the distinct prime numbers

The prime factorization of 1387945912 is 2 × 2 × 2 × 439 × 395201. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 5, 50, 81, 156, 775, 1569, 1217, 94875, 39958, 126258, 777077, 3837178, 8399539, 21699061, 90552624, 585917379, 312298712, 5635416012, 7932389750

Basic calculations (n = 1387945912)

Multiplication

n×y
n×2 2775891824
n×3 4163837736
n×4 5551783648
n×5 6939729560

Division

n÷y
n÷2 693972956
n÷3 462648637.33333
n÷3 346986478
n÷5 277589182.4

Exponentiation

ny
n2 1926393854637511744
n3 2.6737304754461E+27
n4 3.7109932831852E+36
n5 5.1506579568563E+45

Nth Root

y√n
2√n 37255.146114329
3√n 1115.4690223832
4√n 193.01592191923
5√n 67.37123497226

Divisors of 1387945912

1, 2, 4, 8, 439, 878, 1756, 3512, 395201, 790402, 1580804, 3161608, 173493239, 346986478, 693972956, 1387945912

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 -1387945911
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 1387945912 can be divided by 16 positive divisors. The sum of these divisors (counting 1387945912) is 1, the average is 0.0625.

Base conversion 1387945912

Base System Value
2 Binary 1010010101110100101111110111000
3 Ternary 10120201122221212011
4 Quaternary 1102232211332320
5 Quinary 10320303232122
6 Senary 345420255304
8 Octal 12256457670
10 Decimal 1387945912
12 Duodecimal 3289a1534
16 Hexadecimal 52ba5fb8
20 Vigesimal 11ded4fc
36 Base36 mychx4

Cryptographic Hash Functions

md5 63247d78c188404086c8e7b2072c7d92
sha1 444b5bde9809ce4abb575e51646626b86c18ea56
sha256 eb34ef44fc0eea061c8f63952a97ad67585473eff9e6634d8b38677487949280
sha512 12bb0d020abd4fc3b2fec90a79b06188d3bc70f889b8f8aeb8c770cfdc70387ece7e9a38effb4cf25407ebb7bfb31b1387932b30ec69b81d0b674e3d0231ed48
ripemd-160 2aed56581cb47dad1adbab3a02284be9d2770e34

1387945912 as geometric shapes

Circle

Radius = n
Diameter 2775891824
Circumference 8720721361.4384
Area 6.0519447816497E+18

Sphere

Radius = n
Volume 1.1199696025787E+28
Surface area 2.4207779126599E+19
Circumference 8720721361.4384

Square

Length = n
Perimeter 5551783648
Area 1926393854637511744
Diagonal 1962851932.5907

Cube

Length = n
Surface area 1.1558363127825E+19
Volume 2.6737304754461E+27
Space diagonal 2403992837.7415

Equilateral Triangle

Length = n
Perimeter 4163837736
Area 8.3415300790516E+17
Altitude 1201996418.8708

Triangular Pyramid

Length = n
Surface area 8.3415300790516E+17
Volume 3.1510215837551E+26
Height 654283977.53023