1242657909 (number)

1242657909 is an odd 10-digits composite number following 1242657908 and preceding 1242657910. In scientific notation, it is written as 1.242657909 × 10^9. The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors. There are 801714240 positive integers (up to 1242657909) that are relatively prime to 1242657909.

Interesting facts

Basic properties

Name

Name one billion two hundred forty-two million six hundred fifty-seven thousand nine hundred nine

Notation

Scientific notation 1.242657909 × 10^9
Engineering notation 1.242657909 × 10^9

Prime Factorization of 1242657909

Prime Factorization 31 × 3 × 3 × 3 × 1484657

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 138073101
Product of the distinct prime numbers

The prime factorization of 1242657909 is 31 × 3 × 3 × 3 × 1484657. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1242657909)

Multiplication

n×y
n×2 2485315818
n×3 3727973727
n×4 4970631636
n×5 6213289545

Division

n÷y
n÷2 621328954.5
n÷3 414219303
n÷3 310664477.25
n÷5 248531581.8

Exponentiation

ny
n2 1544198678800252281
n3 1.9189107012785E+27
n4 2.3845495596084E+36
n5 2.9631793696499E+45

Nth Root

y√n
2√n 35251.353293172
3√n 1075.1041280783
4√n 187.75343750028
5√n 65.897709224754

Divisors of 1242657909

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 -1242657908
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 1242657909 can be divided by 16 positive divisors. The sum of these divisors (counting 1242657909) is 1, the average is 0.0625.

Base conversion 1242657909

Base System Value
2 Binary 1001010000100010111010001110101
3 Ternary 10012121021120012000
4 Quaternary 1022010113101311
5 Quinary 10021110023114
6 Senary 323150245513
8 Octal 11204272165
10 Decimal 1242657909
12 Duodecimal 2a81b6899
16 Hexadecimal 4a117475
20 Vigesimal j86c4f9
36 Base36 kjugz9

Cryptographic Hash Functions

md5 9c2402ff0e68ae1426115e1c8757dda4
sha1 1b2dfcc5cf8ecab2f25309f5c2f3c425551f5a25
sha256 73b78e9ef9efe6ed1a6042bb419ea078c0e0e48048a185b7f22686d7643ec03d
sha512 98f3c65379a2d69b3a4fc398d52885d3d3402f8f581788a45c23c93afdf8524c1aa21cb00a63a52f231d9fd60af8e2cbed0e71c7d4f07d80ad413b117c67362b
ripemd-160 c7dc7d83a94cd623c4071c231697236d301fea52

1242657909 as geometric shapes

Circle

Radius = n
Diameter 2485315818
Circumference 7807849915.6793
Area 4.8512432250019E+18

Sphere

Radius = n
Volume 8.0379143493751E+27
Surface area 1.9404972900008E+19
Circumference 7807849915.6793

Square

Length = n
Perimeter 4970631636
Area 1544198678800252281
Diagonal 1757383668.298

Cube

Length = n
Surface area 9.2651920728015E+18
Volume 1.9189107012785E+27
Space diagonal 2152346634.8153

Equilateral Triangle

Length = n
Perimeter 3727973727
Area 6.6865764216569E+17
Altitude 1076173317.4077

Triangular Pyramid

Length = n
Surface area 6.6865764216569E+17
Volume 2.2614579489424E+26
Height 585794556.09933