1391878081 (number)

1391878081 is an odd 10-digits composite number following 1391878080 and preceding 1391878082. In scientific notation, it is written as 1.391878081 × 10^9. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 1260300000 positive integers (up to 1391878081) that are relatively prime to 1391878081.

Interesting facts

Basic properties

Name

Name one billion three hundred ninety-one million eight hundred seventy-eight thousand eighty-one

Notation

Scientific notation 1.391878081 × 10^9
Engineering notation 1.391878081 × 10^9

Prime Factorization of 1391878081

Prime Factorization 11 × 251 × 504121

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 1391878081
Product of the distinct prime numbers

The prime factorization of 1391878081 is 11 × 251 × 504121. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 8, 13, 25, 302, 983, 6777, 9349, 94006, 90815, 937241, 112149, 4219818, 8750323, 44854592, 72808953, 613614905, 115775717, 8316925734, 7031840691

Basic calculations (n = 1391878081)

Multiplication

n×y
n×2 2783756162
n×3 4175634243
n×4 5567512324
n×5 6959390405

Division

n÷y
n÷2 695939040.5
n÷3 463959360.33333
n÷3 347969520.25
n÷5 278375616.2

Exponentiation

ny
n2 1937324592368242561
n3 2.6965196358996E+27
n4 3.7532265761948E+36
n5 5.2240338044322E+45

Nth Root

y√n
2√n 37307.882290476
3√n 1116.5214354031
4√n 193.15248455683
5√n 67.409365475455

Divisors of 1391878081

1, 11, 251, 2761, 504121, 5545331, 126534371, 1391878081

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1391878080
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1391878081 can be divided by 8 positive divisors. The sum of these divisors (counting 1391878081) is 1, the average is 0.125.

Base conversion 1391878081

Base System Value
2 Binary 1010010111101100101111111000001
3 Ternary 10121000001201210001
4 Quaternary 1102331211333001
5 Quinary 10322310044311
6 Senary 350040440001
8 Octal 12275457701
10 Decimal 1391878081
12 Duodecimal 32a179001
16 Hexadecimal 52f65fc1
20 Vigesimal 11ej4f41
36 Base36 n0os01

Cryptographic Hash Functions

md5 709fe3c2081f8b1bd2b25cc8a5184ab5
sha1 afc2b315b0b4169b23871ed6d2a3c01d3ccd2672
sha256 7cf3f01970d220d97f09b7271c9952cc8785f871e8cf6da146fa6bd9d8ec2b78
sha512 6fa3f828ce8981ede24217be339c8c884d29406a18a9498e4276b8ee6c5f724a36da3918bfe0eb3f227f8e17ba04c5ab7dc020dc2a5fbad0f7ba38bdc51d2310
ripemd-160 9397b74c36f96157727a3e5001116bddd9d35652

1391878081 as geometric shapes

Circle

Radius = n
Diameter 2783756162
Circumference 8745427907.9245
Area 6.0862847070029E+18

Sphere

Radius = n
Volume 1.129515503787E+28
Surface area 2.4345138828012E+19
Circumference 8745427907.9245

Square

Length = n
Perimeter 5567512324
Area 1937324592368242561
Diagonal 1968412859.32

Cube

Length = n
Surface area 1.1623947554209E+19
Volume 2.6965196358996E+27
Space diagonal 2410803554.2335

Equilateral Triangle

Length = n
Perimeter 4175634243
Area 8.3888615618362E+17
Altitude 1205401777.1167

Triangular Pyramid

Length = n
Surface area 8.3888615618362E+17
Volume 3.1778788669122E+26
Height 656137619.77335