1288973728 (number)

1288973728 is an even 10-digits composite number following 1288973727 and preceding 1288973729. In scientific notation, it is written as 1.288973728 × 10^9. The sum of its digits is 55. It has a total of 8 prime factors and 48 positive divisors. There are 497283072 positive integers (up to 1288973728) that are relatively prime to 1288973728.

Interesting facts

Basic properties

Name

Name one billion two hundred eighty-eight million nine hundred seventy-three thousand seven hundred twenty-eight

Notation

Scientific notation 1.288973728 × 10^9
Engineering notation 1.288973728 × 10^9

Prime Factorization of 1288973728

Prime Factorization 2 × 2 × 2 × 2 × 2 × 119 × 23 × 14717

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 80560858
Product of the distinct prime numbers

The prime factorization of 1288973728 is 2 × 2 × 2 × 2 × 2 × 119 × 23 × 14717. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1288973728)

Multiplication

n×y
n×2 2577947456
n×3 3866921184
n×4 5155894912
n×5 6444868640

Division

n÷y
n÷2 644486864
n÷3 429657909.33333
n÷3 322243432
n÷5 257794745.6

Exponentiation

ny
n2 1661453271474217984
n3 2.1415696172299E+27
n4 2.7604269732924E+36
n5 3.5581178466364E+45

Nth Root

y√n
2√n 35902.280261844
3√n 1088.2984781581
4√n 189.47897050028
5√n 66.381767690349

Divisors of 1288973728

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1288973727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1288973728 can be divided by 48 positive divisors. The sum of these divisors (counting 1288973728) is 1, the average is 0.020833333333333.

Base conversion 1288973728

Base System Value
2 Binary 1001100110101000010110110100000
3 Ternary 10022211102122112201
4 Quaternary 1030311002312200
5 Quinary 10114434124403
6 Senary 331523102544
8 Octal 11465026640
10 Decimal 1288973728
12 Duodecimal 2bb811a54
16 Hexadecimal 4cd42da0
20 Vigesimal 102g1e68
36 Base36 lbf6hs

Cryptographic Hash Functions

md5 284b42facc85145df4378fe5cffe907d
sha1 08e0bbe1bfe4ea4eeb3e37f4e87f9d30f5100b59
sha256 3ae37fc664756a3f3835ff6e7128703ab45dc6ceb0653d20ed7d8c5356f9a706
sha512 51e6ea9018412d36597370bf713fd1452a2ff8b6e103f403043d03ca105487e95a5fc5ec0548f43609231814c97884a860a3d7e4bf83a2b08c0438f8a848c09a
ripemd-160 72e5be2867a4994c0b300c1e5db788f0e3c5905f

1288973728 as geometric shapes

Circle

Radius = n
Diameter 2577947456
Circumference 8098860789.1101
Area 5.2196093919461E+18

Sphere

Radius = n
Volume 8.9705858355208E+27
Surface area 2.0878437567785E+19
Circumference 8098860789.1101

Square

Length = n
Perimeter 5155894912
Area 1661453271474217984
Diagonal 1822884127.6802

Cube

Length = n
Surface area 9.9687196288453E+18
Volume 2.1415696172299E+27
Space diagonal 2232567986.5175

Equilateral Triangle

Length = n
Perimeter 3866921184
Area 7.1943037014872E+17
Altitude 1116283993.2587

Triangular Pyramid

Length = n
Surface area 7.1943037014872E+17
Volume 2.5238639978773E+26
Height 607628042.56007