1291738128 (number)

1291738128 is an even 10-digits composite number following 1291738127 and preceding 1291738129. In scientific notation, it is written as 1.291738128 × 10^9. The sum of its digits is 42. It has a total of 7 prime factors and 40 positive divisors. There are 420076800 positive integers (up to 1291738128) that are relatively prime to 1291738128.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.291738128 × 10^9
Engineering notation 1.291738128 × 10^9

Prime Factorization of 1291738128

Prime Factorization 2 × 2 × 2 × 2 × 3 × 41 × 656371

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 161467266
Product of the distinct prime numbers

The prime factorization of 1291738128 is 2 × 2 × 2 × 2 × 3 × 41 × 656371. Since it has a total of 7 prime factors.

Most popular turbo-numbers

10, 3, 98, 4, 659, 427, 4155, 6646, 32298, 32112, 67029, 351540, 5160960, 9233893, 84592488, 38990351, 214272787, 155835338, 7610786996, 3437943505

Basic calculations (n = 1291738128)

Multiplication

n×y
n×2 2583476256
n×3 3875214384
n×4 5166952512
n×5 6458690640

Division

n÷y
n÷2 645869064
n÷3 430579376
n÷3 322934532
n÷5 258347625.6

Exponentiation

ny
n2 1668587391328944384
n3 2.1553779532797E+27
n4 2.7841838825019E+36
n5 3.5964364763908E+45

Nth Root

y√n
2√n 35940.758589657
3√n 1089.0759297807
4√n 189.58048050803
5√n 66.410216453034

Divisors of 1291738128

1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 48, 82, 123, 164, 246, 328, 492, 656, 984, 1968, 656371, 1312742, 1969113, 2625484, 3938226, 5250968, 7876452, 10501936, 15752904, 26911211, 31505808, 53822422, 80733633, 107644844, 161467266, 215289688, 322934532, 430579376, 645869064, 1291738128

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1291738127
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1291738128 can be divided by 40 positive divisors. The sum of these divisors (counting 1291738128) is 1, the average is 0.025.

Base conversion 1291738128

Base System Value
2 Binary 1001100111111100101110000010000
3 Ternary 10100000122002120220
4 Quaternary 1030333211300100
5 Quinary 10121141110003
6 Senary 332102233040
8 Octal 11477456020
10 Decimal 1291738128
12 Duodecimal 300725780
16 Hexadecimal 4cfe5c10
20 Vigesimal 103d7568
36 Base36 ld2fio

Cryptographic Hash Functions

md5 fb64519e9c3f4f49913a786282ed5138
sha1 e26f472304de2040b15f157e22cff9497b173746
sha256 c5852a1fca9cfeff22c67663308d138b11dac44eeacb1be1adc21de70943981d
sha512 fd8fa2777f838eca70c2d9e19942c0b0c7bd2ffca9d48558b7b94f28b6132425d19ae40404cb1cd64e0b16f536c5494ffa5de5b420830959b1ba13e418d28847
ripemd-160 895b6ddf424d0442fe617a82cd0dcba7e9f4bf1d

1291738128 as geometric shapes

Circle

Radius = n
Diameter 2583476256
Circumference 8116230026.5733
Area 5.2420218904716E+18

Sphere

Radius = n
Volume 9.0284260583104E+27
Surface area 2.0968087561886E+19
Circumference 8116230026.5733

Square

Length = n
Perimeter 5166952512
Area 1668587391328944384
Diagonal 1826793579.652

Cube

Length = n
Surface area 1.0011524347974E+19
Volume 2.1553779532797E+27
Space diagonal 2237356067.7699

Equilateral Triangle

Length = n
Perimeter 3875214384
Area 7.2251953466264E+17
Altitude 1118678033.885

Triangular Pyramid

Length = n
Surface area 7.2251953466264E+17
Volume 2.5401372779734E+26
Height 608931193.21734