1291388 (number)

1291388 is an even 7-digits composite number following 1291387 and preceding 1291389. In scientific notation, it is written as 1.291388 × 10^6. The sum of its digits is 32. It has a total of 5 prime factors and 24 positive divisors. There are 520704 positive integers (up to 1291388) that are relatively prime to 1291388.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.291388 × 10^6
Engineering notation 1.291388 × 10^6

Prime Factorization of 1291388

Prime Factorization 2 × 2 × 17 × 7 × 2713

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 645694
Product of the distinct prime numbers

The prime factorization of 1291388 is 2 × 2 × 17 × 7 × 2713. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 4, 11, 94, 806, 154, 3828, 474, 10588, 53652, 570771, 749330, 4181906, 7704235, 57994550, 54485997, 744455381, 447868606, 2597061633, 6384816714

Basic calculations (n = 1291388)

Multiplication

n×y
n×2 2582776
n×3 3874164
n×4 5165552
n×5 6456940

Division

n÷y
n÷2 645694
n÷3 430462.66666667
n÷3 322847
n÷5 258277.6

Exponentiation

ny
n2 1667682966544
n3 2153625770799323072
n4 2.781166476901E+24
n5 3.5915650142722E+30

Nth Root

y√n
2√n 1136.3925378143
3√n 108.89775222097
4√n 33.710421798226
5√n 16.680587754299

Divisors of 1291388

1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 2713, 5426, 10852, 18991, 37982, 46121, 75964, 92242, 184484, 322847, 645694, 1291388

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1291387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1291388 can be divided by 24 positive divisors. The sum of these divisors (counting 1291388) is 1, the average is 0.041666666666667.

Base conversion 1291388

Base System Value
2 Binary 100111011010001111100
3 Ternary 2102121110012
4 Quaternary 10323101330
5 Quinary 312311023
6 Senary 43402352
8 Octal 4732174
10 Decimal 1291388
12 Duodecimal 5233b8
16 Hexadecimal 13b47c
20 Vigesimal 81898
36 Base36 rofw

Cryptographic Hash Functions

md5 815a2bef539aa8d97a7e57ecab92e440
sha1 7670294d3b5f94bf6409d50502d651f934089808
sha256 80cb6e281bb86294d660ec0e5a24a00893740a87c9ee4beff745b1afd63ffbb3
sha512 4057d4f9d6c450b4bf244fae4e60d5a5ca7111f58c9df225ed52413fabd55ca5dc44ea14147723cd66d563a8b159fc683fa8fb33c42cda6338db1132f087f262
ripemd-160 aed5479a2137fa3e4fb1f97104d868c72d5261a8

1291388 as geometric shapes

Circle

Radius = n
Diameter 2582776
Circumference 8114030.107468
Area 5239180556211.5

Sphere

Radius = n
Volume 9.0210865334997E+18
Surface area 20956722224846
Circumference 8114030.107468

Square

Length = n
Perimeter 5165552
Area 1667682966544
Diagonal 1826298.4238859

Cube

Length = n
Surface area 10006097799264
Volume 2153625770799323072
Space diagonal 2236749.6282848

Equilateral Triangle

Length = n
Perimeter 3874164
Area 722127907242.85
Altitude 1118374.8141424

Triangular Pyramid

Length = n
Surface area 722127907242.85
Volume 2.5380723111172E+17
Height 608766.14129529