78729872 (number)

78729872 is an even 8-digits composite number following 78729871 and preceding 78729873. In scientific notation, it is written as 7.8729872 × 10^7. The sum of its digits is 50. It has a total of 6 prime factors and 20 positive divisors. There are 36336768 positive integers (up to 78729872) that are relatively prime to 78729872.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8729872 × 10^7
Engineering notation 7.8729872 × 10^6

Prime Factorization of 78729872

Prime Factorization 2 × 2 × 2 × 2 × 13 × 378509

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 9841234
Product of the distinct prime numbers

The prime factorization of 78729872 is 2 × 2 × 2 × 2 × 13 × 378509. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 8, 90, 58, 25, 309, 3813, 2730, 24855, 33786, 110837, 356535, 4222470, 779874, 5639424, 70354658, 695786679, 834902919, 4402047764, 4992602961

Basic calculations (n = 78729872)

Multiplication

n×y
n×2 157459744
n×3 236189616
n×4 314919488
n×5 393649360

Division

n÷y
n÷2 39364936
n÷3 26243290.666667
n÷3 19682468
n÷5 15745974.4

Exponentiation

ny
n2 6198392745136384
n3 4.8799866743032E+23
n4 3.8420072622959E+31
n5 3.0248073998363E+39

Nth Root

y√n
2√n 8872.9855178514
3√n 428.59442255465
4√n 94.196526039188
5√n 37.951409414345

Divisors of 78729872

1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 378509, 757018, 1514036, 3028072, 4920617, 6056144, 9841234, 19682468, 39364936, 78729872

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78729871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78729872 can be divided by 20 positive divisors. The sum of these divisors (counting 78729872) is 1, the average is 0.05.

Base conversion 78729872

Base System Value
2 Binary 100101100010101001010010000
3 Ternary 12111010220002012
4 Quaternary 10230111022100
5 Quinary 130123323442
6 Senary 11451242052
8 Octal 454251220
10 Decimal 78729872
12 Duodecimal 22449328
16 Hexadecimal 4b15290
20 Vigesimal 14c14dc
36 Base36 1avgcw

Cryptographic Hash Functions

md5 a920577e80555f26e2716b5451c647fd
sha1 c7a32f6a80067e9813ffe36226c5301ef95c2e1d
sha256 5d7012b30c7edbbdda038042afc77994387ffb31751ad7adc0fc88f96050e962
sha512 c37eb736e458dcb597cd195e4eb37ea3bed1ef208867fa5a43f27b26e8e0e9a88e6b944f238c3abf1c01e49a54fcf82a4aa31493beccf7878eb877b922ec6f28
ripemd-160 c86eb27e26b9bb555661b6f1f69a4fed60701b85

78729872 as geometric shapes

Circle

Radius = n
Diameter 157459744
Circumference 494674374.98653
Area 1.9472825112185E+16

Sphere

Radius = n
Volume 2.0441240380809E+24
Surface area 7.7891300448739E+16
Circumference 494674374.98653

Square

Length = n
Perimeter 314919488
Area 6198392745136384
Diagonal 111340852.7463

Cube

Length = n
Surface area 37190356470818304
Volume 4.8799866743032E+23
Space diagonal 136364138.37739

Equilateral Triangle

Length = n
Perimeter 236189616
Area 2.6839827899606E+15
Altitude 68182069.188697

Triangular Pyramid

Length = n
Surface area 2.6839827899606E+15
Volume 5.7511194491663E+22
Height 37113617.582099