78989815 (number)

78989815 is an odd 8-digits composite number following 78989814 and preceding 78989816. In scientific notation, it is written as 7.8989815 × 10^7. The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors. There are 62155680 positive integers (up to 78989815) that are relatively prime to 78989815.

Interesting facts

Basic properties

Name

Name seventy-eight million nine hundred eighty-nine thousand eight hundred fifteen

Notation

Scientific notation 7.8989815 × 10^7
Engineering notation 7.8989815 × 10^6

Prime Factorization of 78989815

Prime Factorization 5 × 61 × 258983

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 78989815
Product of the distinct prime numbers

The prime factorization of 78989815 is 5 × 61 × 258983. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78989815)

Multiplication

n×y
n×2 157979630
n×3 236969445
n×4 315959260
n×5 394949075

Division

n÷y
n÷2 39494907.5
n÷3 26329938.333333
n÷3 19747453.75
n÷5 15797963

Exponentiation

ny
n2 6239390873734225
n3 4.9284833082895E+23
n4 3.8929998475238E+31
n5 3.0750733775093E+39

Nth Root

y√n
2√n 8887.6214478341
3√n 429.06560215917
4√n 94.27418229735
5√n 37.976437272036

Divisors of 78989815

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78989814
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78989815 can be divided by 8 positive divisors. The sum of these divisors (counting 78989815) is 1, the average is 0.125.

Base conversion 78989815

Base System Value
2 Binary 100101101010100100111110111
3 Ternary 12111122002122201
4 Quaternary 10231110213313
5 Quinary 130210133230
6 Senary 11501005331
8 Octal 455244767
10 Decimal 78989815
12 Duodecimal 22553847
16 Hexadecimal 4b549f7
20 Vigesimal 14ddeaf
36 Base36 1b10xj

Cryptographic Hash Functions

md5 37e070a5d48dc9c76d9fd7d0cb03e9a1
sha1 6376b766bcf9198b52db946e1d9b95722d9e3c11
sha256 9361c568806a6f7e6243bc8e6f14923f472893967790daf3199b06749f726bf4
sha512 23b86d74bb04015218990244fd5c557959640550fa5f42b8aaef8ac3d58b8b49083fafbc0c9f6eea587e28f8f9876ad24d18876973d7a7a7c2a84f61877cc13a
ripemd-160 713e9fd00ede329a69cf6875132541b9227fc28b

78989815 as geometric shapes

Circle

Radius = n
Diameter 157979630
Circumference 496307645.02483
Area 1.9601624531799E+16

Sphere

Radius = n
Volume 2.0644382606216E+24
Surface area 7.8406498127195E+16
Circumference 496307645.02483

Square

Length = n
Perimeter 315959260
Area 6239390873734225
Diagonal 111708467.66234

Cube

Length = n
Surface area 37436345242405350
Volume 4.9284833082895E+23
Space diagonal 136814372.86047

Equilateral Triangle

Length = n
Perimeter 236969445
Area 2.7017355003973E+15
Altitude 68407186.430233

Triangular Pyramid

Length = n
Surface area 2.7017355003973E+15
Volume 5.8082732804271E+22
Height 37236155.887447