389640978 (number)

389640978 is an even 9-digits composite number following 389640977 and preceding 389640979. In scientific notation, it is written as 3.89640978 × 10^8. The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors. There are 129880320 positive integers (up to 389640978) that are relatively prime to 389640978.

Interesting facts

Basic properties

Name

Name three hundred eighty-nine million six hundred forty thousand nine hundred seventy-eight

Notation

Scientific notation 3.89640978 × 10^8
Engineering notation 3.89640978 × 10^6

Prime Factorization of 389640978

Prime Factorization 2 × 3 × 3 × 21646721

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 129880326
Product of the distinct prime numbers

The prime factorization of 389640978 is 2 × 3 × 3 × 21646721. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 8, 53, 35, 262, 901, 5464, 2328, 20207, 68647, 557635, 380595, 6357667, 3851933, 55271575, 58074880, 55958662, 881453141, 4568987247, 8245433166

Basic calculations (n = 389640978)

Multiplication

n×y
n×2 779281956
n×3 1168922934
n×4 1558563912
n×5 1948204890

Division

n÷y
n÷2 194820489
n÷3 129880326
n÷3 97410244.5
n÷5 77928195.6

Exponentiation

ny
n2 151820091736796484
n3 5.9155329024375E+25
n4 2.3049340254969E+34
n5 8.980967479201E+42

Nth Root

y√n
2√n 19739.325672373
3√n 730.39009487681
4√n 140.49671053933
5√n 52.255610380015

Divisors of 389640978

1, 2, 3, 6, 9, 18, 21646721, 43293442, 64940163, 129880326, 194820489, 389640978

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -389640977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 389640978 can be divided by 12 positive divisors. The sum of these divisors (counting 389640978) is 1, the average is 0.083333333333333.

Base conversion 389640978

Base System Value
2 Binary 10111001110010111001100010010
3 Ternary 1000011011210221100
4 Quaternary 113032113030102
5 Quinary 1244222002403
6 Senary 102355205230
8 Octal 2716271422
10 Decimal 389640978
12 Duodecimal aa5a6816
16 Hexadecimal 17397312
20 Vigesimal 61f528i
36 Base36 6fzcwi

Cryptographic Hash Functions

md5 36ef3639001182ba86df146eef3b8988
sha1 93e373c783ea0086aa95c92c87094fb3b73ab7d7
sha256 1974440d27c4fe1d82a6061f0bbd61ae78641b0a0f66d82fa5365e69d7f2868c
sha512 6227360639e9e66706d3866365183ff459d32142fe9b9820b8701c30a4d82296330c6fce2f8e5a1a726d8877dd2208d85826de6fe21ffbe78d8acfb17f66d9c9
ripemd-160 872c97564762f9532e81d34537ad80d10f165e6c

389640978 as geometric shapes

Circle

Radius = n
Diameter 779281956
Circumference 2448186468.0447
Area 4.7695688486765E+17

Sphere

Radius = n
Volume 2.4778926277822E+26
Surface area 1.9078275394706E+18
Circumference 2448186468.0447

Square

Length = n
Perimeter 1558563912
Area 151820091736796484
Diagonal 551035555.54392

Cube

Length = n
Surface area 910920550420778904
Volume 5.9155329024375E+25
Space diagonal 674877970.60683

Equilateral Triangle

Length = n
Perimeter 1168922934
Area 6.5740028124475E+16
Altitude 337438985.30341

Triangular Pyramid

Length = n
Surface area 6.5740028124475E+16
Volume 6.9715223827428E+24
Height 183678518.51464