78906890 (number)

78906890 is an even 8-digits composite number following 78906889 and preceding 78906891. In scientific notation, it is written as 7.8906890 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors. There are 30891024 positive integers (up to 78906890) that are relatively prime to 78906890.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8906890 × 10^7
Engineering notation 7.8906890 × 10^6

Prime Factorization of 78906890

Prime Factorization 2 × 5 × 47 × 167887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 78906890
Product of the distinct prime numbers

The prime factorization of 78906890 is 2 × 5 × 47 × 167887. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78906890)

Multiplication

n×y
n×2 157813780
n×3 236720670
n×4 315627560
n×5 394534450

Division

n÷y
n÷2 39453445
n÷3 26302296.666667
n÷3 19726722.5
n÷5 15781378

Exponentiation

ny
n2 6226297289472100
n3 4.9129775532767E+23
n4 3.8766777936888E+31
n5 3.0589658823204E+39

Nth Root

y√n
2√n 8882.9550263412
3√n 428.91540252786
4√n 94.249429846239
5√n 37.968460245305

Divisors of 78906890

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 -78906889
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 78906890 can be divided by 16 positive divisors. The sum of these divisors (counting 78906890) is 1, the average is 0.0625.

Base conversion 78906890

Base System Value
2 Binary 100101101000000011000001010
3 Ternary 12111110212220102
4 Quaternary 10231000120022
5 Quinary 130200010030
6 Senary 11455125402
8 Octal 455003012
10 Decimal 78906890
12 Duodecimal 22513862
16 Hexadecimal 4b4060a
20 Vigesimal 14d374a
36 Base36 1az8y2

Cryptographic Hash Functions

md5 c06aad79eede89f649315fe59aa0330a
sha1 2299a6df2289fd9b10a2c447a0218d4171d732d9
sha256 a9c983611eb89376348f1e7558135a41075e7dd085e3f8cf49ccb62f01307e75
sha512 8bcff0b75e29b1f22e3d4011edabac63fadf2435bc54220e23248d07567408caf311ce3cf9a09266d65b3bf92329e1c4a281d457b92f96fa16704d64fa08296c
ripemd-160 abca7a5bd185413cfaa6d6e8780c428b1c00e1ae

78906890 as geometric shapes

Circle

Radius = n
Diameter 157813780
Circumference 495786611.88324
Area 1.9560489823672E+16

Sphere

Radius = n
Volume 2.0579432251501E+24
Surface area 7.8241959294686E+16
Circumference 495786611.88324

Square

Length = n
Perimeter 315627560
Area 6226297289472100
Diagonal 111591194.00268

Cube

Length = n
Surface area 37357783736832600
Volume 4.9129775532767E+23
Space diagonal 136670742.54725

Equilateral Triangle

Length = n
Perimeter 236720670
Area 2.6960658120985E+15
Altitude 68335371.273624

Triangular Pyramid

Length = n
Surface area 2.6960658120985E+15
Volume 5.7899995728988E+22
Height 37197064.667561