78729842 (number)

78729842 is an even 8-digits composite number following 78729841 and preceding 78729843. In scientific notation, it is written as 7.8729842 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 39364920 positive integers (up to 78729842) that are relatively prime to 78729842.

Interesting facts

Basic properties

Name

Name seventy-eight million seven hundred twenty-nine thousand eight hundred forty-two

Notation

Scientific notation 7.8729842 × 10^7
Engineering notation 7.8729842 × 10^6

Prime Factorization of 78729842

Prime Factorization 2 × 39364921

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78729842
Product of the distinct prime numbers

The prime factorization of 78729842 is 2 × 39364921. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78729842)

Multiplication

n×y
n×2 157459684
n×3 236189526
n×4 314919368
n×5 393649210

Division

n÷y
n÷2 39364921
n÷3 26243280.666667
n÷3 19682460.5
n÷5 15745968.4

Exponentiation

ny
n2 6198388021344964
n3 4.8799810957518E+23
n4 3.8420014063153E+31
n5 3.0248016368298E+39

Nth Root

y√n
2√n 8872.9838273266
3√n 428.59436811604
4√n 94.196517065795
5√n 37.951406522069

Divisors of 78729842

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 -78729841
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 78729842 can be divided by 4 positive divisors. The sum of these divisors (counting 78729842) is 1, the average is 0.25.

Base conversion 78729842

Base System Value
2 Binary 100101100010101001001110010
3 Ternary 12111010220001002
4 Quaternary 10230111021302
5 Quinary 130123323332
6 Senary 11451242002
8 Octal 454251162
10 Decimal 78729842
12 Duodecimal 22449302
16 Hexadecimal 4b15272
20 Vigesimal 14c14c2
36 Base36 1avgc2

Cryptographic Hash Functions

md5 45dca6dbdc8f74bb116516254a8313ef
sha1 7aea9065a956f246e992a9c97256e165928761ad
sha256 dd693940715388194a00e9e45a35d39a176b3ec69007bd08495c6c7b3791d78d
sha512 46c0e4e09337de8e1f4422f88611f711a1b4b25dcc8d698ca14ccc9c319fb2392197805f85428e96e40bf3f5540658d52e27eb40981acea0276684f5fa20e848
ripemd-160 e3210d5efee1274caaceb5ecaa9b7dc9a5d73d9e

78729842 as geometric shapes

Circle

Radius = n
Diameter 157459684
Circumference 494674186.49097
Area 1.9472810271956E+16

Sphere

Radius = n
Volume 2.0441217013428E+24
Surface area 7.7891241087825E+16
Circumference 494674186.49097

Square

Length = n
Perimeter 314919368
Area 6198388021344964
Diagonal 111340810.31989

Cube

Length = n
Surface area 37190328128069784
Volume 4.8799810957518E+23
Space diagonal 136364086.41587

Equilateral Triangle

Length = n
Perimeter 236189526
Area 2.683980744499E+15
Altitude 68182043.207935

Triangular Pyramid

Length = n
Surface area 2.683980744499E+15
Volume 5.7511128747804E+22
Height 37113603.439964