389939781 (number)

389939781 is an odd 9-digits composite number following 389939780 and preceding 389939782. In scientific notation, it is written as 3.89939781 × 10^8. The sum of its digits is 57. It has a total of 6 prime factors and 64 positive divisors. There are 192326400 positive integers (up to 389939781) that are relatively prime to 389939781.

Interesting facts

Basic properties

Name

Name three hundred eighty-nine million nine hundred thirty-nine thousand seven hundred eighty-one

Notation

Scientific notation 3.89939781 × 10^8
Engineering notation 3.89939781 × 10^6

Prime Factorization of 389939781

Prime Factorization 3 × 7 × 11 × 43 × 37 × 1061

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 389939781
Product of the distinct prime numbers

The prime factorization of 389939781 is 3 × 7 × 11 × 43 × 37 × 1061. Since it has a total of 6 prime factors.

Most popular turbo-numbers

8, 8, 55, 76, 528, 613, 8203, 5344, 30692, 62329, 379026, 240181, 2146558, 4479761, 9938176, 64070968, 453833516, 907430139, 889946537, 9767196654

Basic calculations (n = 389939781)

Multiplication

n×y
n×2 779879562
n×3 1169819343
n×4 1559759124
n×5 1949698905

Division

n÷y
n÷2 194969890.5
n÷3 129979927
n÷3 97484945.25
n÷5 77987956.2

Exponentiation

ny
n2 152053032806327961
n3 5.9291526312885E+25
n4 2.3120124785602E+34
n5 9.0154563955904E+42

Nth Root

y√n
2√n 19746.892945474
3√n 730.57675131169
4√n 140.52363838683
5√n 52.263622548469

Divisors of 389939781

1, 3, 7, 11, 21, 33, 37, 43, 77, 111, 129, 231, 259, 301, 407, 473, 777, 903, 1061, 1221, 1419, 1591, 2849, 3183, 3311, 4773, 7427, 8547, 9933, 11137, 11671, 17501, 22281, 33411, 35013, 39257, 45623, 52503, 81697, 117771, 122507, 136869, 245091, 274799, 319361, 367521, 431827, 501853, 824397, 958083, 1295481, 1505559, 1688051, 3022789, 3512971, 5064153, 9068367, 10538913, 11816357, 18568561, 35449071, 55705683, 129979927, 389939781

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -389939780
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 389939781 can be divided by 64 positive divisors. The sum of these divisors (counting 389939781) is 1, the average is 0.015625.

Base conversion 389939781

Base System Value
2 Binary 10111001111100000001001000101
3 Ternary 1000011201222211010
4 Quaternary 113033200021011
5 Quinary 1244311033111
6 Senary 102405432433
8 Octal 2717401105
10 Decimal 389939781
12 Duodecimal aa70b719
16 Hexadecimal 173e0245
20 Vigesimal 61h2991
36 Base36 6g5rgl

Cryptographic Hash Functions

md5 4c0d23ef88502e2e3557885a507ce25c
sha1 7312cfa24cb585d7b22e838baf00733f49c61b0f
sha256 271c9423f00d332ef75332b7017487d330d32902110155b07d44954c195c5860
sha512 7d6a7da07f8fb79ccfaffcc3bf43bbc61ae00f971f00ff1e70fb870b9b2c203957c3b62ebfe8c26b6be6c480c5b2e979395b9c46642c9fe9dbde28f38bc6fcea
ripemd-160 cd015a1bd94f904ac879cc0d015de422bc5e74d4

389939781 as geometric shapes

Circle

Radius = n
Diameter 779879562
Circumference 2450063902.664
Area 4.7768869082041E+17

Sphere

Radius = n
Volume 2.4835976464625E+26
Surface area 1.9107547632816E+18
Circumference 2450063902.664

Square

Length = n
Perimeter 1559759124
Area 152053032806327961
Diagonal 551458126.79899

Cube

Length = n
Surface area 912318196837967766
Volume 5.9291526312885E+25
Space diagonal 675395512.58428

Equilateral Triangle

Length = n
Perimeter 1169819343
Area 6.5840894566374E+16
Altitude 337697756.29214

Triangular Pyramid

Length = n
Surface area 6.5840894566374E+16
Volume 6.9875733871236E+24
Height 183819375.59966