1288230985 (number)

1288230985 is an odd 10-digits composite number following 1288230984 and preceding 1288230986. In scientific notation, it is written as 1.288230985 × 10^9. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 1008704320 positive integers (up to 1288230985) that are relatively prime to 1288230985.

Interesting facts

Basic properties

Name

Name one billion two hundred eighty-eight million two hundred thirty thousand nine hundred eighty-five

Notation

Scientific notation 1.288230985 × 10^9
Engineering notation 1.288230985 × 10^9

Prime Factorization of 1288230985

Prime Factorization 5 × 53 × 431 × 11279

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1288230985
Product of the distinct prime numbers

The prime factorization of 1288230985 is 5 × 53 × 431 × 11279. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 10, 30, 28, 436, 6, 2333, 1132, 88980, 60296, 954422, 186117, 9719022, 5975089, 79883443, 3010433, 108083572, 428280105, 3576626040, 9474512376

Basic calculations (n = 1288230985)

Multiplication

n×y
n×2 2576461970
n×3 3864692955
n×4 5152923940
n×5 6441154925

Division

n÷y
n÷2 644115492.5
n÷3 429410328.33333
n÷3 322057746.25
n÷5 257646197

Exponentiation

ny
n2 1659539070714070225
n3 2.137869651712E+27
n4 2.7540699272265E+36
n5 3.5478782151099E+45

Nth Root

y√n
2√n 35891.934818285
3√n 1088.0894019065
4√n 189.45166881895
5√n 66.374115717245

Divisors of 1288230985

1, 5, 53, 265, 431, 2155, 11279, 22843, 56395, 114215, 597787, 2988935, 4861249, 24306245, 257646197, 1288230985

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 -1288230984
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 1288230985 can be divided by 16 positive divisors. The sum of these divisors (counting 1288230985) is 1, the average is 0.0625.

Base conversion 1288230985

Base System Value
2 Binary 1001100110010001101100001001001
3 Ternary 10022210000220200201
4 Quaternary 1030302031201021
5 Quinary 10114241342420
6 Senary 331455132201
8 Octal 11462154111
10 Decimal 1288230985
12 Duodecimal 2bb514061
16 Hexadecimal 4cc8d849
20 Vigesimal 102b8h95
36 Base36 laz9e1

Cryptographic Hash Functions

md5 593ef98549050a3a4c95e6adf1925041
sha1 80548ee14e7a02752283d03d8112841363281271
sha256 1c1c00ad567af9c2c7ea7db4a450f01bd0b0380c4feaf7383b351ff3984d8a51
sha512 9008bfd1c383f59dda01fe0bf4f167ba42a634c9cd336cea5964e6ecb40917f0e5200a87a7b97b083f5fa2463d44b2d05f28477469443b78fdac0b570a34c84a
ripemd-160 dab417ecc1892f7070992c0131bf56fa949ff1b0

1288230985 as geometric shapes

Circle

Radius = n
Diameter 2576461970
Circumference 8094193997.2055
Area 5.2135957529006E+18

Sphere

Radius = n
Volume 8.9550874562012E+27
Surface area 2.0854383011602E+19
Circumference 8094193997.2055

Square

Length = n
Perimeter 5152923940
Area 1659539070714070225
Diagonal 1821833730.4563

Cube

Length = n
Surface area 9.9572344242844E+18
Volume 2.137869651712E+27
Space diagonal 2231281517.9045

Equilateral Triangle

Length = n
Perimeter 3864692955
Area 7.186014969056E+17
Altitude 1115640758.9523

Triangular Pyramid

Length = n
Surface area 7.186014969056E+17
Volume 2.5195035466974E+26
Height 607277910.15208