1288991 (number)

1288991 is an odd 7-digits composite number following 1288990 and preceding 1288992. In scientific notation, it is written as 1.288991 × 10^6. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 1075200 positive integers (up to 1288991) that are relatively prime to 1288991.

Interesting facts

Basic properties

Name

Name one million two hundred eighty-eight thousand nine hundred ninety-one

Notation

Scientific notation 1.288991 × 10^6
Engineering notation 1.288991 × 10^6

Prime Factorization of 1288991

Prime Factorization 61 × 11 × 17 × 113

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1288991
Product of the distinct prime numbers

The prime factorization of 1288991 is 61 × 11 × 17 × 113. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1288991)

Multiplication

n×y
n×2 2577982
n×3 3866973
n×4 5155964
n×5 6444955

Division

n÷y
n÷2 644495.5
n÷3 429663.66666667
n÷3 322247.75
n÷5 257798.2

Exponentiation

ny
n2 1661497798081
n3 2141655708246226271
n4 2.760574933028E+24
n5 3.5583562434987E+30

Nth Root

y√n
2√n 1135.3373947862
3√n 108.83033391331
4√n 33.694768062508
5√n 16.674390842467

Divisors of 1288991

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 -1288990
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 1288991 can be divided by 16 positive divisors. The sum of these divisors (counting 1288991) is 1, the average is 0.0625.

Base conversion 1288991

Base System Value
2 Binary 100111010101100011111
3 Ternary 2102111011102
4 Quaternary 10322230133
5 Quinary 312221431
6 Senary 43343315
8 Octal 4725437
10 Decimal 1288991
12 Duodecimal 521b3b
16 Hexadecimal 13ab1f
20 Vigesimal 8129b
36 Base36 rmlb

Cryptographic Hash Functions

md5 e56b7d77466384b5376f446a0e8d79a6
sha1 fc7e46e0b0c1ed56a5e6a0b3a4c171598edd1c9b
sha256 454063fa6e6a43e4969d4ba38279db181753916c382ec1aae3985e4271e92ae2
sha512 5be5084e381cbf15c7ba2037f3e7edf9556006345ae5627c352ee8f0fd4fce770ace02611e249eb4915bebd1976851eb54b4c311b234a6e29d08028d2f89a2d8
ripemd-160 85b164306744526a3cd1642f05fea350cfa9b0e3

1288991 as geometric shapes

Circle

Radius = n
Diameter 2577982
Circumference 8098969.3122867
Area 5219749276406.9

Sphere

Radius = n
Volume 8.9709464527267E+18
Surface area 20878997105628
Circumference 8098969.3122867

Square

Length = n
Perimeter 5155964
Area 1661497798081
Diagonal 1822908.5539769

Cube

Length = n
Surface area 9968986788486
Volume 2141655708246226271
Space diagonal 2232597.902499

Equilateral Triangle

Length = n
Perimeter 3866973
Area 719449650735.03
Altitude 1116298.9512495

Triangular Pyramid

Length = n
Surface area 719449650735.03
Volume 2.523965457113E+17
Height 607636.18465895