78909989 (number)

78909989 is an odd 8-digits composite number following 78909988 and preceding 78909990. In scientific notation, it is written as 7.8909989 × 10^7. The sum of its digits is 59. It has a total of 2 prime factors and 4 positive divisors. There are 78817056 positive integers (up to 78909989) that are relatively prime to 78909989.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.8909989 × 10^7
Engineering notation 7.8909989 × 10^6

Prime Factorization of 78909989

Prime Factorization 857 × 92077

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 78909989
Product of the distinct prime numbers

The prime factorization of 78909989 is 857 × 92077. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 78909989)

Multiplication

n×y
n×2 157819978
n×3 236729967
n×4 315639956
n×5 394549945

Division

n÷y
n÷2 39454994.5
n÷3 26303329.666667
n÷3 19727497.25
n÷5 15781997.8

Exponentiation

ny
n2 6226786363980121
n3 4.9135564348702E+23
n4 3.8772868422649E+31
n5 3.0595666207297E+39

Nth Root

y√n
2√n 8883.1294598244
3√n 428.92101754843
4√n 94.250355223863
5√n 37.968758476321

Divisors of 78909989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -78909988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 78909989 can be divided by 4 positive divisors. The sum of these divisors (counting 78909989) is 1, the average is 0.25.

Base conversion 78909989

Base System Value
2 Binary 100101101000001001000100101
3 Ternary 12111111001011012
4 Quaternary 10231001020211
5 Quinary 130200104424
6 Senary 11455152005
8 Octal 455011045
10 Decimal 78909989
12 Duodecimal 22515605
16 Hexadecimal 4b41225
20 Vigesimal 14d3ej9
36 Base36 1azbc5

Cryptographic Hash Functions

md5 713b21128504d1fd252717cc1f968e53
sha1 63874a7cda192b41a64491b15f685fb82ceae402
sha256 ecc67e278eb98586aa66dc9adabe02f5972fb13f7e908f63a751fa21314ca9e3
sha512 14985024f200c5665a61a487207e45245357173ba506e50c46877d04e9a93ebb42c2fbf10a2276dc7df819840769f15fece62572ee17d9ce2453b1548f8f7363
ripemd-160 027d4456fef80330f14da3d0d53d431ddb48bf55

78909989 as geometric shapes

Circle

Radius = n
Diameter 157819978
Circumference 495806083.4745
Area 1.9562026296553E+16

Sphere

Radius = n
Volume 2.0581857065049E+24
Surface area 7.8248105186212E+16
Circumference 495806083.4745

Square

Length = n
Perimeter 315639956
Area 6226786363980121
Diagonal 111595576.65051

Cube

Length = n
Surface area 37360718183880726
Volume 4.9135564348702E+23
Space diagonal 136676110.1727

Equilateral Triangle

Length = n
Perimeter 236729967
Area 2.6962775875727E+15
Altitude 68338055.086351

Triangular Pyramid

Length = n
Surface area 2.6962775875727E+15
Volume 5.7906817913992E+22
Height 37198525.550171