389612721 (number)

389612721 is an odd 9-digits composite number following 389612720 and preceding 389612722. In scientific notation, it is written as 3.89612721 × 10^8. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 259741812 positive integers (up to 389612721) that are relatively prime to 389612721.

Interesting facts

Basic properties

Name

Name three hundred eighty-nine million six hundred twelve thousand seven hundred twenty-one

Notation

Scientific notation 3.89612721 × 10^8
Engineering notation 3.89612721 × 10^6

Prime Factorization of 389612721

Prime Factorization 3 × 129870907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 389612721
Product of the distinct prime numbers

The prime factorization of 389612721 is 3 × 129870907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 389612721)

Multiplication

n×y
n×2 779225442
n×3 1168838163
n×4 1558450884
n×5 1948063605

Division

n÷y
n÷2 194806360.5
n÷3 129870907
n÷3 97403180.25
n÷5 77922544.2

Exponentiation

ny
n2 151798072365023841
n3 5.9142460016692E+25
n4 2.3042654773737E+34
n5 8.9777114254593E+42

Nth Root

y√n
2√n 19738.609905462
3√n 730.37243833912
4√n 140.4941632434
5√n 52.254852436317

Divisors of 389612721

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 -389612720
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 389612721 can be divided by 4 positive divisors. The sum of these divisors (counting 389612721) is 1, the average is 0.25.

Base conversion 389612721

Base System Value
2 Binary 10111001110010000010010110001
3 Ternary 1000011010101011210
4 Quaternary 113032100102301
5 Quinary 1244220101341
6 Senary 102354430333
8 Octal 2716202261
10 Decimal 389612721
12 Duodecimal aa5923a9
16 Hexadecimal 173904b1
20 Vigesimal 61f1bg1
36 Base36 6fyr3l

Cryptographic Hash Functions

md5 4fee611761245c0088bce56a56a4403e
sha1 d60234eabeac6814466697d631270ae46f230f9d
sha256 16dbb261bd7f75b0d6951d4315a50093210b7aff06b5767240d8a2fbb08db679
sha512 a4211f05a18c0a0242081e68c541daa89fdc7b6ebd75f3473f404da9e78d48e84b6586a38a5b03f0c0068930e57be2ecbc2b3ea4c0dfdf5a198d1cddc2c3fcfc
ripemd-160 5c94ef822f57d2aa4807ed1b987401df1cabcb20

389612721 as geometric shapes

Circle

Radius = n
Diameter 779225442
Circumference 2448008924.0775
Area 4.7688770897105E+17

Sphere

Radius = n
Volume 2.4773535720489E+26
Surface area 1.9075508358842E+18
Circumference 2448008924.0775

Square

Length = n
Perimeter 1558450884
Area 151798072365023841
Diagonal 550995594.11128

Cube

Length = n
Surface area 910788434190143046
Volume 5.9142460016692E+25
Space diagonal 674829028.04716

Equilateral Triangle

Length = n
Perimeter 1168838163
Area 6.573049345681E+16
Altitude 337414514.02358

Triangular Pyramid

Length = n
Surface area 6.573049345681E+16
Volume 6.9700057556428E+24
Height 183665198.03709