1291728 (number)

1291728 is an even 7-digits composite number following 1291727 and preceding 1291729. In scientific notation, it is written as 1.291728 × 10^6. The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors. There are 404992 positive integers (up to 1291728) that are relatively prime to 1291728.

Interesting facts

Basic properties

Name

Name one million two hundred ninety-one thousand seven hundred twenty-eight

Notation

Scientific notation 1.291728 × 10^6
Engineering notation 1.291728 × 10^6

Prime Factorization of 1291728

Prime Factorization 2 × 2 × 2 × 2 × 51 × 1583

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 161466
Product of the distinct prime numbers

The prime factorization of 1291728 is 2 × 2 × 2 × 2 × 51 × 1583. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 1, 92, 18, 901, 82, 9635, 6555, 14190, 40599, 639172, 143148, 2709923, 1354607, 72936016, 85530080, 20674456, 340137954, 711094572, 6259079304

Basic calculations (n = 1291728)

Multiplication

n×y
n×2 2583456
n×3 3875184
n×4 5166912
n×5 6458640

Division

n÷y
n÷2 645864
n÷3 430576
n÷3 322932
n÷5 258345.6

Exponentiation

ny
n2 1668561225984
n3 2155327255317860352
n4 2.7840965648572E+24
n5 3.5962954875299E+30

Nth Root

y√n
2√n 1136.5421241643
3√n 108.90730834375
4√n 33.712640421129
5√n 16.681466003541

Divisors of 1291728

1, 2, 4, 8, 16, 51, 102, 204, 408, 816, 1583, 3166, 6332, 12664, 25328, 80733, 161466, 322932, 645864, 1291728

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1291727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1291728 can be divided by 20 positive divisors. The sum of these divisors (counting 1291728) is 1, the average is 0.05.

Base conversion 1291728

Base System Value
2 Binary 100111011010111010000
3 Ternary 2102121220210
4 Quaternary 10323113100
5 Quinary 312313403
6 Senary 43404120
8 Octal 4732720
10 Decimal 1291728
12 Duodecimal 523640
16 Hexadecimal 13b5d0
20 Vigesimal 81968
36 Base36 ropc

Cryptographic Hash Functions

md5 1ceb69a026d2496eeee8b5d33a0ece58
sha1 a03135247cd6313c2b580783d29fa20f7fb70f68
sha256 38a2b58fe416c15003d975f967cb7c6c08e496172663f7bb18f2235a89ebcd1c
sha512 4b5d45dcd62330aec4710d018734ca7d3c1177027298718236a530a446a90f022b9978f2229ac8e690cdfecbd10bf4a6b7b2464ad63c26cd21527a80ff4a8493
ripemd-160 68806532b3d2e6570ea5581659f700a3a79ce3c6

1291728 as geometric shapes

Circle

Radius = n
Diameter 2583456
Circumference 8116166.3904725
Area 5241939689616.1

Sphere

Radius = n
Volume 9.0282136951846E+18
Surface area 20967758758464
Circumference 8116166.3904725

Square

Length = n
Perimeter 5166912
Area 1668561225984
Diagonal 1826779.2564971

Cube

Length = n
Surface area 10011367355904
Volume 2155327255317860352
Space diagonal 2237338.5255593

Equilateral Triangle

Length = n
Perimeter 3875184
Area 722508204735.93
Altitude 1118669.2627797

Triangular Pyramid

Length = n
Surface area 722508204735.93
Volume 2.5400775298524E+17
Height 608926.41883236