1388406981 (number)

1388406981 is an odd 10-digits composite number following 1388406980 and preceding 1388406982. In scientific notation, it is written as 1.388406981 × 10^9. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 829350144 positive integers (up to 1388406981) that are relatively prime to 1388406981.

Interesting facts

Basic properties

Name

Name one billion three hundred eighty-eight million four hundred six thousand nine hundred eighty-one

Notation

Scientific notation 1.388406981 × 10^9
Engineering notation 1.388406981 × 10^9

Prime Factorization of 1388406981

Prime Factorization 3 × 481 × 563 × 1709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1388406981
Product of the distinct prime numbers

The prime factorization of 1388406981 is 3 × 481 × 563 × 1709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 7, 9, 60, 498, 387, 586, 8347, 97608, 45604, 413776, 318416, 5514000, 4873284, 82613132, 39277424, 382713662, 699841256, 2181061645, 3443381555

Basic calculations (n = 1388406981)

Multiplication

n×y
n×2 2776813962
n×3 4165220943
n×4 5553627924
n×5 6942034905

Division

n÷y
n÷2 694203490.5
n÷3 462802327
n÷3 347101745.25
n÷5 277681396.2

Exponentiation

ny
n2 1927673944889534361
n3 2.6763959621764E+27
n4 3.715926837806E+36
n5 5.1592187624951E+45

Nth Root

y√n
2√n 37261.333591271
3√n 1115.5925265348
4√n 193.03194966448
5√n 67.375710458074

Divisors of 1388406981

1, 3, 481, 563, 1443, 1689, 1709, 5127, 270803, 812409, 822029, 962167, 2466087, 2886501, 462802327, 1388406981

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 -1388406980
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 1388406981 can be divided by 16 positive divisors. The sum of these divisors (counting 1388406981) is 1, the average is 0.0625.

Base conversion 1388406981

Base System Value
2 Binary 1010010110000010110100011000101
3 Ternary 10120202112101022210
4 Quaternary 1102300112203011
5 Quinary 10320413010411
6 Senary 345434214033
8 Octal 12260264305
10 Decimal 1388406981
12 Duodecimal 328b84319
16 Hexadecimal 52c168c5
20 Vigesimal 11dhah91
36 Base36 mymdol

Cryptographic Hash Functions

md5 53009564fee896308a2a4ec3bb86d357
sha1 12578cf7f640ae02675f7732cc44809001cb8677
sha256 a1c66efe7e143f0ce20e2758a039f6ef6c312324cdc2f4f8173f0760208c787f
sha512 ef1216a29c79398e0e003de960c65108c120bf166d1a1ccbc64e8a3b0a60a23d1f25bb091a7a2a13432193f592f047b868ba39be85fb288175d4ebc018dcb56e
ripemd-160 9a10ddaa4df5512e76481ecf49a46c7a2d093f84

1388406981 as geometric shapes

Circle

Radius = n
Diameter 2776813962
Circumference 8723618343.4048
Area 6.0559663037814E+18

Sphere

Radius = n
Volume 1.1210861190495E+28
Surface area 2.4223865215126E+19
Circumference 8723618343.4048

Square

Length = n
Perimeter 5553627924
Area 1927673944889534361
Diagonal 1963503982.6237

Cube

Length = n
Surface area 1.1566043669337E+19
Volume 2.6763959621764E+27
Space diagonal 2404791432.6753

Equilateral Triangle

Length = n
Perimeter 4165220943
Area 8.3470730324385E+17
Altitude 1202395716.3377

Triangular Pyramid

Length = n
Surface area 8.3470730324385E+17
Volume 3.1541628899921E+26
Height 654501327.54123