7942749 (number)

7942749 is an odd 7-digits composite number following 7942748 and preceding 7942750. In scientific notation, it is written as 7.942749 × 10^6. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 5208240 positive integers (up to 7942749) that are relatively prime to 7942749.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.942749 × 10^6
Engineering notation 7.942749 × 10^6

Prime Factorization of 7942749

Prime Factorization 3 × 61 × 43403

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 7942749
Product of the distinct prime numbers

The prime factorization of 7942749 is 3 × 61 × 43403. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 7942749)

Multiplication

n×y
n×2 15885498
n×3 23828247
n×4 31770996
n×5 39713745

Division

n÷y
n÷2 3971374.5
n÷3 2647583
n÷3 1985687.25
n÷5 1588549.8

Exponentiation

ny
n2 63087261677001
n3 5.0108628459774E+20
n4 3.9800025859024E+27
n5 3.1612161559174E+34

Nth Root

y√n
2√n 2818.2883103047
3√n 199.52176570459
4√n 53.087553252195
5√n 23.988007044958

Divisors of 7942749

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -7942748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 7942749 can be divided by 8 positive divisors. The sum of these divisors (counting 7942749) is 1, the average is 0.125.

Base conversion 7942749

Base System Value
2 Binary 11110010011001001011101
3 Ternary 112221112101220
4 Quaternary 132103021131
5 Quinary 4013131444
6 Senary 442123553
8 Octal 36231135
10 Decimal 7942749
12 Duodecimal 27b05b9
16 Hexadecimal 79325d
20 Vigesimal 29cgh9
36 Base36 4q8nx

Cryptographic Hash Functions

md5 12de243998807691d7bcc0e96d239412
sha1 4ab8a2e1e83b2b5d1c5deaf30c0880c5375d13a2
sha256 f820880b5a2c98257cded62b863381ce790dd8aa90ddcba4e476e42bfa264713
sha512 bf05e7169c8cd4b9a357c058bfbc00d3a81447c2d2fe84eed163d83a27c08cf2b52c5ffbcab9bf75ae392d64bb329e5554259d7caf0efd12ffa769392c1fc037
ripemd-160 f87d41c808aff775cf60e74b008129c23d4471b9

7942749 as geometric shapes

Circle

Radius = n
Diameter 15885498
Circumference 49905763.815415
Area 1.9819447781956E+14

Sphere

Radius = n
Volume 2.0989453206758E+21
Surface area 7.9277791127825E+14
Circumference 49905763.815415

Square

Length = n
Perimeter 31770996
Area 63087261677001
Diagonal 11232743.358325

Cube

Length = n
Surface area 378523570062006
Volume 5.0108628459774E+20
Space diagonal 13757244.819767

Equilateral Triangle

Length = n
Perimeter 23828247
Area 27317585633740
Altitude 6878622.4098834

Triangular Pyramid

Length = n
Surface area 27317585633740
Volume 5.9053584966439E+19
Height 3744247.7861084