1291385 (number)

1291385 is an odd 7-digits composite number following 1291384 and preceding 1291386. In scientific notation, it is written as 1.291385 × 10^6. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 1033104 positive integers (up to 1291385) that are relatively prime to 1291385.

Interesting facts

Basic properties

Name

Name one million two hundred ninety-one thousand three hundred eighty-five

Notation

Scientific notation 1.291385 × 10^6
Engineering notation 1.291385 × 10^6

Prime Factorization of 1291385

Prime Factorization 5 × 258277

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1291385
Product of the distinct prime numbers

The prime factorization of 1291385 is 5 × 258277. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1291385)

Multiplication

n×y
n×2 2582770
n×3 3874155
n×4 5165540
n×5 6456925

Division

n÷y
n÷2 645692.5
n÷3 430461.66666667
n÷3 322846.25
n÷5 258277

Exponentiation

ny
n2 1667675218225
n3 2153610761687491625
n4 2.7811406334818E+24
n5 3.5915232969689E+30

Nth Root

y√n
2√n 1136.3912178471
3√n 108.89766789477
4√n 33.710402220192
5√n 16.680580004218

Divisors of 1291385

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1291384
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1291385 can be divided by 4 positive divisors. The sum of these divisors (counting 1291385) is 1, the average is 0.25.

Base conversion 1291385

Base System Value
2 Binary 100111011010001111001
3 Ternary 2102121110002
4 Quaternary 10323101321
5 Quinary 312311020
6 Senary 43402345
8 Octal 4732171
10 Decimal 1291385
12 Duodecimal 5233b5
16 Hexadecimal 13b479
20 Vigesimal 81895
36 Base36 roft

Cryptographic Hash Functions

md5 0984ad5197fdd5e20223e6fce867b4fa
sha1 1cda79220e80fa95fbae237c7c301abec5979c0d
sha256 6311edc0fdf9faae4f16d2ed3f603759cfc3abaa2147b8392fd273aee37ef9b1
sha512 6f648be642704a6b1ff418b4285dd73df54de67e93ed115d3c04f3017dd23f9d1c139ac60e0b0044dbf11304647b7c3bb035a7b25b7805536d470afaabbdb911
ripemd-160 112424116f9704c810de7730535787047d05c345

1291385 as geometric shapes

Circle

Radius = n
Diameter 2582770
Circumference 8114011.2579121
Area 5239156214149.4

Sphere

Radius = n
Volume 9.0210236634791E+18
Surface area 20956624856598
Circumference 8114011.2579121

Square

Length = n
Perimeter 5165540
Area 1667675218225
Diagonal 1826294.1812452

Cube

Length = n
Surface area 10006051309350
Volume 2153610761687491625
Space diagonal 2236744.4321323

Equilateral Triangle

Length = n
Perimeter 3874155
Area 722124552122.3
Altitude 1118372.2160662

Triangular Pyramid

Length = n
Surface area 722124552122.3
Volume 2.5380546227093E+17
Height 608764.72708173