78942020 (number)

78942020 is an even 8-digits composite number following 78942019 and preceding 78942021. In scientific notation, it is written as 7.8942020 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 31576800 positive integers (up to 78942020) that are relatively prime to 78942020.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8942020 × 10^7
Engineering notation 7.8942020 × 10^6

Prime Factorization of 78942020

Prime Factorization 2 × 2 × 5 × 3947101

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 39471010
Product of the distinct prime numbers

The prime factorization of 78942020 is 2 × 2 × 5 × 3947101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 4, 18, 57, 860, 558, 8050, 9139, 26043, 44583, 925501, 113529, 2431895, 2657714, 426201, 83782885, 94471945, 586401415, 5026763146, 8892109009

Basic calculations (n = 78942020)

Multiplication

n×y
n×2 157884040
n×3 236826060
n×4 315768080
n×5 394710100

Division

n÷y
n÷2 39471010
n÷3 26314006.666667
n÷3 19735505
n÷5 15788404

Exponentiation

ny
n2 6231842521680400
n3 4.9195423698334E+23
n4 3.8835861215024E+31
n5 3.0657813327536E+39

Nth Root

y√n
2√n 8884.932188824
3√n 428.97904531217
4√n 94.259918251736
5√n 37.971840417908

Divisors of 78942020

1, 2, 4, 5, 10, 20, 3947101, 7894202, 15788404, 19735505, 39471010, 78942020

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 -78942019
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 78942020 can be divided by 12 positive divisors. The sum of these divisors (counting 78942020) is 1, the average is 0.083333333333333.

Base conversion 78942020

Base System Value
2 Binary 100101101001000111101000100
3 Ternary 12111112200002112
4 Quaternary 10231020331010
5 Quinary 130202121040
6 Senary 11500000152
8 Octal 455107504
10 Decimal 78942020
12 Duodecimal 22530058
16 Hexadecimal 4b48f44
20 Vigesimal 14d7f10
36 Base36 1b001w

Cryptographic Hash Functions

md5 3756399caf7d617f1b229c24514e5113
sha1 ea11ed4e5989e6c013a437aae03cfb92979bb414
sha256 5491a834782b11867f485116ff3b2b349698f8cb9e4adfdd3fc4037dcde360f6
sha512 4f4bbc7b5c489d4222168bba3a627db7140c31b331bdb6ee1bb3a81f125c7ff6b444b741793483a59d0eb0f5df886e978bf9fffddd8d4ac039cdc3bb0ef75016
ripemd-160 1fdb6557cf18573a475e52dc9fceac245ed1a486

78942020 as geometric shapes

Circle

Radius = n
Diameter 157884040
Circumference 496007340.18308
Area 1.957791068444E+16

Sphere

Radius = n
Volume 2.060693089079E+24
Surface area 7.8311642737759E+16
Circumference 496007340.18308

Square

Length = n
Perimeter 315768080
Area 6231842521680400
Diagonal 111640875.32513

Cube

Length = n
Surface area 37391055130082400
Volume 4.9195423698334E+23
Space diagonal 136731589.49212

Equilateral Triangle

Length = n
Perimeter 236826060
Area 2.6984669680797E+15
Altitude 68365794.746059

Triangular Pyramid

Length = n
Surface area 2.6984669680797E+15
Volume 5.7977362834063E+22
Height 37213625.108376