78904890 (number)

78904890 is an even 8-digits composite number following 78904889 and preceding 78904891. In scientific notation, it is written as 7.8904890 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 21041280 positive integers (up to 78904890) that are relatively prime to 78904890.

Interesting facts

Basic properties

Name

Name seventy-eight million nine hundred four thousand eight hundred ninety

Notation

Scientific notation 7.8904890 × 10^7
Engineering notation 7.8904890 × 10^6

Prime Factorization of 78904890

Prime Factorization 2 × 15 × 3 × 876721

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78904890
Product of the distinct prime numbers

The prime factorization of 78904890 is 2 × 15 × 3 × 876721. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 23, 69, 22, 575, 3002, 6153, 88278, 35515, 835487, 953097, 9763303, 6206591, 72267130, 41308017, 816997501, 108968989, 9200456134, 3867821183

Basic calculations (n = 78904890)

Multiplication

n×y
n×2 157809780
n×3 236714670
n×4 315619560
n×5 394524450

Division

n÷y
n÷2 39452445
n÷3 26301630
n÷3 19726222.5
n÷5 15780978

Exponentiation

ny
n2 6225981665912100
n3 4.9126039849081E+23
n4 3.8762847704274E+31
n5 3.0585782341925E+39

Nth Root

y√n
2√n 8882.8424504772
3√n 428.91177868693
4√n 94.248832621297
5√n 37.968267771137

Divisors of 78904890

1, 2, 3, 6, 15, 30, 45, 90, 876721, 1753442, 2630163, 5260326, 13150815, 26301630, 39452445, 78904890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78904889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78904890 can be divided by 16 positive divisors. The sum of these divisors (counting 78904890) is 1, the average is 0.0625.

Base conversion 78904890

Base System Value
2 Binary 100101100111111111000111010
3 Ternary 12111110210011100
4 Quaternary 10230333320322
5 Quinary 130144424030
6 Senary 11455112230
8 Octal 454777072
10 Decimal 78904890
12 Duodecimal 22512676
16 Hexadecimal 4b3fe3a
20 Vigesimal 14d324a
36 Base36 1az7ei

Cryptographic Hash Functions

md5 b3fc8f436089f7c0778b258bda96ffbd
sha1 46ae8f020958524d0bbab8315cda13bd58ab57b5
sha256 4b0f33477240e6e7936a0fdc86e599a8073acbc87958fe18eb366f29f251adbe
sha512 3db178a5fd5d55c44f45b11f5b35578eb6d58bda8731ff956af3df03252bf695b4a6b6615ee2597a0a328f8078186b7b5b17f2fb96a843b283031cf8e4f32c11
ripemd-160 f30d5636de464c01ea2890852c9c5edd5ed7cacd

78904890 as geometric shapes

Circle

Radius = n
Diameter 157809780
Circumference 495774045.51262
Area 1.9559498263014E+16

Sphere

Radius = n
Volume 2.0577867451978E+24
Surface area 7.8237993052057E+16
Circumference 495774045.51262

Square

Length = n
Perimeter 315619560
Area 6225981665912100
Diagonal 111588365.57556

Cube

Length = n
Surface area 37355889995472600
Volume 4.9126039849081E+23
Space diagonal 136667278.44563

Equilateral Triangle

Length = n
Perimeter 236714670
Area 2.695929143088E+15
Altitude 68333639.222817

Triangular Pyramid

Length = n
Surface area 2.695929143088E+15
Volume 5.7895593183543E+22
Height 37196121.858519