78855985 (number)

78855985 is an odd 8-digits composite number following 78855984 and preceding 78855986. In scientific notation, it is written as 7.8855985 × 10^7. The sum of its digits is 55. It has a total of 5 prime factors and 32 positive divisors. There are 54286848 positive integers (up to 78855985) that are relatively prime to 78855985.

Interesting facts

Basic properties

Name

Name seventy-eight million eight hundred fifty-five thousand nine hundred eighty-five

Notation

Scientific notation 7.8855985 × 10^7
Engineering notation 7.8855985 × 10^6

Prime Factorization of 78855985

Prime Factorization 13 × 5 × 67 × 19 × 953

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 78855985
Product of the distinct prime numbers

The prime factorization of 78855985 is 13 × 5 × 67 × 19 × 953. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 6, 80, 65, 290, 999, 4350, 3422, 16748, 77125, 461730, 388742, 9379802, 6911153, 40665031, 64259677, 18682306, 579478597, 7117774719, 2883810640

Basic calculations (n = 78855985)

Multiplication

n×y
n×2 157711970
n×3 236567955
n×4 315423940
n×5 394279925

Division

n÷y
n÷2 39427992.5
n÷3 26285328.333333
n÷3 19713996.25
n÷5 15771197

Exponentiation

ny
n2 6218266370320225
n3 4.9034751962398E+23
n4 3.8666836652255E+31
n5 3.0491114910477E+39

Nth Root

y√n
2√n 8880.089245047
3√n 428.82314765433
4√n 94.234225444087
5√n 37.963560081533

Divisors of 78855985

1, 5, 13, 19, 65, 67, 95, 247, 335, 871, 953, 1235, 1273, 4355, 4765, 6365, 12389, 16549, 18107, 61945, 63851, 82745, 90535, 235391, 319255, 830063, 1176955, 1213169, 4150315, 6065845, 15771197, 78855985

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78855984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78855985 can be divided by 32 positive divisors. The sum of these divisors (counting 78855985) is 1, the average is 0.03125.

Base conversion 78855985

Base System Value
2 Binary 100101100110011111100110001
3 Ternary 12111101022002001
4 Quaternary 10230303330301
5 Quinary 130141342420
6 Senary 11454054001
8 Octal 454637461
10 Decimal 78855985
12 Duodecimal 224aa301
16 Hexadecimal 4b33f31
20 Vigesimal 14cgjj5
36 Base36 1ay5o1

Cryptographic Hash Functions

md5 a6bcb4214cf49771f75a34563fd313cc
sha1 11dc860a2d787e6ef9f73efc891bda3e0228907c
sha256 a1ea4bba2c3439a3b89a20424a5dfe57e3507ce9f7bb41b47967561692c84bad
sha512 b92734098c8e7cb31b8acf850c827c50be9cc5fa134a6aa574dea88f181269d2801ddbc1fa0216d9ac7f6265cb6bf27d9ef3bef13c36557d9a191ffae5a74ec8
ripemd-160 2af81e3454d312e41258d20791ef14ee23f48bf9

78855985 as geometric shapes

Circle

Radius = n
Diameter 157711970
Circumference 495466766.33517
Area 1.9535259947062E+16

Sphere

Radius = n
Volume 2.0539628871422E+24
Surface area 7.814103978825E+16
Circumference 495466766.33517

Square

Length = n
Perimeter 315423940
Area 6218266370320225
Diagonal 111519203.46129

Cube

Length = n
Surface area 37309598221921350
Volume 4.9034751962398E+23
Space diagonal 136582572.50089

Equilateral Triangle

Length = n
Perimeter 236567955
Area 2.6925883220979E+15
Altitude 68291286.250445

Triangular Pyramid

Length = n
Surface area 2.6925883220979E+15
Volume 5.7788009377353E+22
Height 37173067.82043