7942749021 (number)

7942749021 is an odd 10-digits composite number following 7942749020 and preceding 7942749022. In scientific notation, it is written as 7.942749021 × 10^9. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 5294795976 positive integers (up to 7942749021) that are relatively prime to 7942749021.

Interesting facts

Basic properties

Name

Name seven billion nine hundred forty-two million seven hundred forty-nine thousand twenty-one

Notation

Scientific notation 7.942749021 × 10^9
Engineering notation 7.942749021 × 10^9

Prime Factorization of 7942749021

Prime Factorization 3 × 3 × 22567 × 39107

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2647583007
Product of the distinct prime numbers

The prime factorization of 7942749021 is 3 × 3 × 22567 × 39107. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 2, 84, 75, 916, 650, 9388, 7929, 15728, 4694, 847794, 580200, 4355780, 746748, 97742147, 1534855, 914653772, 25626287, 9912596028, 1792255297

Basic calculations (n = 7942749021)

Multiplication

n×y
n×2 15885498042
n×3 23828247063
n×4 31770996084
n×5 39713745105

Division

n÷y
n÷2 3971374510.5
n÷3 2647583007
n÷3 1985687255.25
n÷5 1588549804.2

Exponentiation

ny
n2 6.3087262010596E+19
n3 5.0108628857224E+29
n4 3.9800026279936E+39
n5 3.1612161977074E+49

Nth Root

y√n
2√n 89122.101753718
3√n 1995.2176588043
4√n 298.53325066685
5√n 95.497976169354

Divisors of 7942749021

1, 3, 9, 22567, 39107, 67701, 117321, 203103, 351963, 882527669, 2647583007, 7942749021

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -7942749020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 7942749021 can be divided by 12 positive divisors. The sum of these divisors (counting 7942749021) is 1, the average is 0.083333333333333.

Base conversion 7942749021

Base System Value
2 Binary 111011001011011001011101101011101
3 Ternary 202111112200110022200
4 Quaternary 13121123023231131
5 Quinary 112231320432041
6 Senary 3352052402113
8 Octal 73133135535
10 Decimal 7942749021
12 Duodecimal 1658016339
16 Hexadecimal 1d96cbb5d
20 Vigesimal 64223cb1
36 Base36 3ncwod9

Cryptographic Hash Functions

md5 cdd38221ddf4837f94d11b114f17ec36
sha1 088c572db15e880b9a630ffed335c4f796ff2b77
sha256 6a58ab44afec260ef6af05a44e1aa3f53e4e770f3be86a19d0c77a0dca15e628
sha512 30b74110c1f396c27aa8a135dffea85787096adc26ed181963a542c396979a26a1a9f949c98177e40efef1a4c7bc0657251cc3dac09d66002baae480058329f4
ripemd-160 6c3b6d359d34278dbfe4674ebe01fa7975be5fc2

7942749021 as geometric shapes

Circle

Radius = n
Diameter 15885498042
Circumference 49905763947.362
Area 1.9819447886758E+20

Sphere

Radius = n
Volume 2.0989453373241E+30
Surface area 7.9277791547034E+20
Circumference 49905763947.362

Square

Length = n
Perimeter 31770996084
Area 6.3087262010596E+19
Diagonal 11232743388.024

Cube

Length = n
Surface area 3.7852357206358E+20
Volume 5.0108628857224E+29
Space diagonal 13757244856.14

Equilateral Triangle

Length = n
Perimeter 23828247063
Area 2.7317585778191E+19
Altitude 6878622428.07

Triangular Pyramid

Length = n
Surface area 2.7317585778191E+19
Volume 5.9053585434838E+28
Height 3744247796.0079