1290985 (number)

1290985 is an odd 7-digits composite number following 1290984 and preceding 1290986. In scientific notation, it is written as 1.290985 × 10^6. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 1032784 positive integers (up to 1290985) that are relatively prime to 1290985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.290985 × 10^6
Engineering notation 1.290985 × 10^6

Prime Factorization of 1290985

Prime Factorization 5 × 258197

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1290985
Product of the distinct prime numbers

The prime factorization of 1290985 is 5 × 258197. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1290985)

Multiplication

n×y
n×2 2581970
n×3 3872955
n×4 5163940
n×5 6454925

Division

n÷y
n÷2 645492.5
n÷3 430328.33333333
n÷3 322746.25
n÷5 258197

Exponentiation

ny
n2 1666642270225
n3 2151610171226421625
n4 2.7776964569007E+24
n5 3.585964460412E+30

Nth Root

y√n
2√n 1136.2152084883
3√n 108.8864232323
4√n 33.707791510098
5√n 16.679546531035

Divisors of 1290985

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 -1290984
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 1290985 can be divided by 4 positive divisors. The sum of these divisors (counting 1290985) is 1, the average is 0.25.

Base conversion 1290985

Base System Value
2 Binary 100111011001011101001
3 Ternary 2102120220021
4 Quaternary 10323023221
5 Quinary 312302420
6 Senary 43400441
8 Octal 4731351
10 Decimal 1290985
12 Duodecimal 523121
16 Hexadecimal 13b2e9
20 Vigesimal 81795
36 Base36 ro4p

Cryptographic Hash Functions

md5 e09450310153d1e7d7ab42195e0a4395
sha1 e19b8b44ccb38a1741af4e02ae3bda9692c33c0b
sha256 3a57eacc8ceee85cad7d08b5f215c69aa98140dd6a4cf2869d3d8b1033ec66cd
sha512 dcb7b719d550ad1c04f349f3eb0aeeb0817845a7e850c1b2cdbaf5b449d48034b9218f1d5306bc23871d91e7dba8837c00c29dcb7221ef05dca2051cd29e8345
ripemd-160 2d858cf3f2a6d33c0e4753cc1d2f7957f600ed68

1290985 as geometric shapes

Circle

Radius = n
Diameter 2581970
Circumference 8111497.9837892
Area 5235911112301.1

Sphere

Radius = n
Volume 9.012643609752E+18
Surface area 20943644449204
Circumference 8111497.9837892

Square

Length = n
Perimeter 5163940
Area 1666642270225
Diagonal 1825728.4958202

Cube

Length = n
Surface area 9999853621350
Volume 2151610171226421625
Space diagonal 2236051.6118093

Equilateral Triangle

Length = n
Perimeter 3872955
Area 721677272517.91
Altitude 1118025.8059047

Triangular Pyramid

Length = n
Surface area 721677272517.91
Volume 2.5356969042403E+17
Height 608576.16527341