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.
1308996987 has 16 divisors, whose sum is 1779686688
The reverse of 1308996987 is 7896998031
Previous prime number is 313
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 60
Digital Root 6
Name
one billion three hundred eight million nine hundred ninety-six thousand nine hundred eighty-seven
Scientific notation
1.308996987 × 10^9
Engineering notation
1.308996987 × 10^9
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.
1 , 9 , 67 , 70 , 737 , 206 , 4449 , 823 , 99748 , 32706 , 504294 , 99707 , 702602 , 6598890 , 53858728 , 44291755 , 997628841 , 682481174 , 9459542965 , 9624141163
n×2
2617993974
n×3
3926990961
n×4
5235987948
n×5
6544984935
n÷2
654498493.5
n÷3
436332329
n÷3
327249246.75
n÷5
261799397.4
n2
1713473111975078169
n3
2.2429311408809E+27
n4
2.9359901054616E+36
n5
3.843202201911E+45
2 √n
36180.063391321
3 √n
1093.90485282
4 √n
190.21057644443
5 √n
66.586736390899
1 , 3 , 61 , 183 , 313 , 939 , 19093 , 22853 , 57279 , 68559 , 1394033 , 4182099 , 7152989 , 21458967 , 436332329 , 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
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
md5
909b4a4937ae5120768de467af27e96a
sha1
8f5bb3e0c8e4b4b6d660ab30c3b19ebe024f0c16
sha256
fa0fc6ac3049bb3b424f19b18ad77b38d515715ca0d63751805db2b6b500b2c6
sha512
4d265e90b2c5d8628b250589bdadf9a7f2b7074890cf38d9e11fef75bda0095a412ce07a02f8122f85181f0009a8fab367c9335b844fb7eb205ac27160a7484f
ripemd-160
44d24a937b86ca4adb98f5d11b61a3392f6e976f
Diameter
2617993974
Circumference
8224670635.8607
Area
5.3830345407045E+18
Volume
9.3951679929322E+27
Surface area
2.1532138162818E+19
Circumference
8224670635.8607
Perimeter
5235987948
Area
1713473111975078169
Diagonal
1851201292.1209
Surface area
1.028083867185E+19
Volume
2.2429311408809E+27
Space diagonal
2267249288.4386
Perimeter
3926990961
Area
7.41955621836E+17
Altitude
1133624644.2193
Surface area
7.41955621836E+17
Volume
2.6433196990856E+26
Height
617067097.37364