1308996987 (number)

1308996987 is an odd 10-digits composite number following 1308996986 and preceding 1308996988. In scientific notation, it is written as 1.308996987 × 10^9. The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors. There are 855578880 positive integers (up to 1308996987) that are relatively prime to 1308996987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.308996987 × 10^9
Engineering notation 1.308996987 × 10^9

Prime Factorization of 1308996987

Prime Factorization 3 × 61 × 313 × 22853

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1308996987
Product of the distinct prime numbers

The prime factorization of 1308996987 is 3 × 61 × 313 × 22853. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1308996987)

Multiplication

n×y
n×2 2617993974
n×3 3926990961
n×4 5235987948
n×5 6544984935

Division

n÷y
n÷2 654498493.5
n÷3 436332329
n÷3 327249246.75
n÷5 261799397.4

Exponentiation

ny
n2 1713473111975078169
n3 2.2429311408809E+27
n4 2.9359901054616E+36
n5 3.843202201911E+45

Nth Root

y√n
2√n 36180.063391321
3√n 1093.90485282
4√n 190.21057644443
5√n 66.586736390899

Divisors of 1308996987

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 -1308996986
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 1308996987 can be divided by 16 positive divisors. The sum of these divisors (counting 1308996987) is 1, the average is 0.0625.

Base conversion 1308996987

Base System Value
2 Binary 1001110000001011011010101111011
3 Ternary 10101020002221021220
4 Quaternary 1032001123111323
5 Quinary 10140100400422
6 Senary 333520203123
8 Octal 11601332573
10 Decimal 1308996987
12 Duodecimal 3064694a3
16 Hexadecimal 4e05b57b
20 Vigesimal 10914c97
36 Base36 lnccjf

Cryptographic Hash Functions

md5 909b4a4937ae5120768de467af27e96a
sha1 8f5bb3e0c8e4b4b6d660ab30c3b19ebe024f0c16
sha256 fa0fc6ac3049bb3b424f19b18ad77b38d515715ca0d63751805db2b6b500b2c6
sha512 4d265e90b2c5d8628b250589bdadf9a7f2b7074890cf38d9e11fef75bda0095a412ce07a02f8122f85181f0009a8fab367c9335b844fb7eb205ac27160a7484f
ripemd-160 44d24a937b86ca4adb98f5d11b61a3392f6e976f

1308996987 as geometric shapes

Circle

Radius = n
Diameter 2617993974
Circumference 8224670635.8607
Area 5.3830345407045E+18

Sphere

Radius = n
Volume 9.3951679929322E+27
Surface area 2.1532138162818E+19
Circumference 8224670635.8607

Square

Length = n
Perimeter 5235987948
Area 1713473111975078169
Diagonal 1851201292.1209

Cube

Length = n
Surface area 1.028083867185E+19
Volume 2.2429311408809E+27
Space diagonal 2267249288.4386

Equilateral Triangle

Length = n
Perimeter 3926990961
Area 7.41955621836E+17
Altitude 1133624644.2193

Triangular Pyramid

Length = n
Surface area 7.41955621836E+17
Volume 2.6433196990856E+26
Height 617067097.37364