1291390 (number)

1291390 is an even 7-digits composite number following 1291389 and preceding 1291391. In scientific notation, it is written as 1.291390 × 10^6. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 510400 positive integers (up to 1291390) that are relatively prime to 1291390.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.291390 × 10^6
Engineering notation 1.291390 × 10^6

Prime Factorization of 1291390

Prime Factorization 2 × 5 × 89 × 1451

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 1291390
Product of the distinct prime numbers

The prime factorization of 1291390 is 2 × 5 × 89 × 1451. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1291390)

Multiplication

n×y
n×2 2582780
n×3 3874170
n×4 5165560
n×5 6456950

Division

n÷y
n÷2 645695
n÷3 430463.33333333
n÷3 322847.5
n÷5 258278

Exponentiation

ny
n2 1667688132100
n3 2153635776912619000
n4 2.7811837059472E+24
n5 3.5915928260231E+30

Nth Root

y√n
2√n 1136.3934177916
3√n 108.89780843836
4√n 33.710434850229
5√n 16.680592921012

Divisors of 1291390

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 -1291389
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 1291390 can be divided by 16 positive divisors. The sum of these divisors (counting 1291390) is 1, the average is 0.0625.

Base conversion 1291390

Base System Value
2 Binary 100111011010001111110
3 Ternary 2102121110021
4 Quaternary 10323101332
5 Quinary 312311030
6 Senary 43402354
8 Octal 4732176
10 Decimal 1291390
12 Duodecimal 5233ba
16 Hexadecimal 13b47e
20 Vigesimal 8189a
36 Base36 rofy

Cryptographic Hash Functions

md5 dcdfd86de424cf57cbd31153fb208c5d
sha1 7075806e894b36ebc29780bf3a135ec171648e7a
sha256 e97e8a1bd386ba46d3edba998b610bc27a0a060f439c4e155fad401247872bd7
sha512 84d6ed8cf7bd68dfc6e5fe988162016ff63b661728281681ad19bf2d2f2d92838279d7ce802617dc924db282ca32a0425c1f41854aad5eec13ec9221ed4a63ef
ripemd-160 62f7d7312990c47206bf30527ee76d09695a976d

1291390 as geometric shapes

Circle

Radius = n
Diameter 2582780
Circumference 8114042.6738386
Area 5239196784284.2

Sphere

Radius = n
Volume 9.0211284470091E+18
Surface area 20956787137137
Circumference 8114042.6738386

Square

Length = n
Perimeter 5165560
Area 1667688132100
Diagonal 1826301.252313

Cube

Length = n
Surface area 10006128792600
Volume 2153635776912619000
Space diagonal 2236753.0923864

Equilateral Triangle

Length = n
Perimeter 3874170
Area 722130143994.21
Altitude 1118376.5461932

Triangular Pyramid

Length = n
Surface area 722130143994.21
Volume 2.5380841034348E+17
Height 608767.08410433