1242909 (number)

1242909 is an odd 7-digits composite number following 1242908 and preceding 1242910. In scientific notation, it is written as 1.242909 × 10^6. The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors. There are 828600 positive integers (up to 1242909) that are relatively prime to 1242909.

Interesting facts

Basic properties

Name

Name one million two hundred forty-two thousand nine hundred nine

Notation

Scientific notation 1.242909 × 10^6
Engineering notation 1.242909 × 10^6

Prime Factorization of 1242909

Prime Factorization 9 × 138101

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1242909
Product of the distinct prime numbers

The prime factorization of 1242909 is 9 × 138101. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1242909)

Multiplication

n×y
n×2 2485818
n×3 3728727
n×4 4971636
n×5 6214545

Division

n÷y
n÷2 621454.5
n÷3 414303
n÷3 310727.25
n÷5 248581.8

Exponentiation

ny
n2 1544822782281
n3 1920074139502095429
n4 2.3864774286544E+24
n5 2.9661742743714E+30

Nth Root

y√n
2√n 1114.8582869585
3√n 107.51765349165
4√n 33.389493661307
5√n 16.553425041628

Divisors of 1242909

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 -1242908
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 1242909 can be divided by 4 positive divisors. The sum of these divisors (counting 1242909) is 1, the average is 0.25.

Base conversion 1242909

Base System Value
2 Binary 100101111011100011101
3 Ternary 2100010221200
4 Quaternary 10233130131
5 Quinary 304233114
6 Senary 42350113
8 Octal 4573435
10 Decimal 1242909
12 Duodecimal 4bb339
16 Hexadecimal 12f71d
20 Vigesimal 7f759
36 Base36 qn19

Cryptographic Hash Functions

md5 8bc6c3e641837b85b4894290930980a4
sha1 73228a958b36ce5ae1342154f2750cb2d53e8beb
sha256 770f47d7e8f9b70dd2798b9ab339ef5facc5b1095fec5a7d98478959d54047c1
sha512 3a1db1a362e94912eec2498527d0d9a8c7c7b04456a70273e5e9a012fb44ba9276577807b4569eab5b754b4bdf8fd7d9fa5f790f09d56aa826b75b586a6cb0ec
ripemd-160 b4e79076836666c15fbb6c7b0120bbe9c0033424

1242909 as geometric shapes

Circle

Radius = n
Diameter 2485818
Circumference 7809427.5669613
Area 4853203903912.1

Sphere

Radius = n
Volume 8.04278774801E+18
Surface area 19412815615649
Circumference 7809427.5669613

Square

Length = n
Perimeter 4971636
Area 1544822782281
Diagonal 1757738.7645956

Cube

Length = n
Surface area 9268936693686
Volume 1920074139502095429
Space diagonal 2152781.5371846

Equilateral Triangle

Length = n
Perimeter 3728727
Area 668927886900.15
Altitude 1076390.7685923

Triangular Pyramid

Length = n
Surface area 668927886900.15
Volume 2.2628290740381E+17
Height 585912.92153186