389910981 (number)

389910981 is an odd 9-digits composite number following 389910980 and preceding 389910982. In scientific notation, it is written as 3.89910981 × 10^8. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 259940652 positive integers (up to 389910981) that are relatively prime to 389910981.

Interesting facts

Basic properties

Name

Name three hundred eighty-nine million nine hundred ten thousand nine hundred eighty-one

Notation

Scientific notation 3.89910981 × 10^8
Engineering notation 3.89910981 × 10^6

Prime Factorization of 389910981

Prime Factorization 3 × 129970327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 389910981
Product of the distinct prime numbers

The prime factorization of 389910981 is 3 × 129970327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 2, 53, 35, 136, 87, 675, 6650, 19790, 53848, 947141, 389854, 242336, 6986966, 99412761, 9848214, 85875163, 812322250, 8369491631, 551426435

Basic calculations (n = 389910981)

Multiplication

n×y
n×2 779821962
n×3 1169732943
n×4 1559643924
n×5 1949554905

Division

n÷y
n÷2 194955490.5
n÷3 129970327
n÷3 97477745.25
n÷5 77982196.2

Exponentiation

ny
n2 152030573104382361
n3 5.9278389901122E+25
n4 2.3113295158447E+34
n5 9.0121275893726E+42

Nth Root

y√n
2√n 19746.163703363
3√n 730.55876466394
4√n 140.52104363177
5√n 52.262850512954

Divisors of 389910981

1, 3, 129970327, 389910981

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 -389910980
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 389910981 can be divided by 4 positive divisors. The sum of these divisors (counting 389910981) is 1, the average is 0.25.

Base conversion 389910981

Base System Value
2 Binary 10111001111011001000111000101
3 Ternary 1000011200112022110
4 Quaternary 113033121013011
5 Quinary 1244304122411
6 Senary 102405051233
8 Octal 2717310705
10 Decimal 389910981
12 Duodecimal aa6b6b19
16 Hexadecimal 173d91c5
20 Vigesimal 61gih91
36 Base36 6g558l

Cryptographic Hash Functions

md5 1b9476e0d83b1046f735d2afd1d5bd5e
sha1 e243cf5bfe926f372766524427a87fd96f09f407
sha256 45112dfe2376ae145450f0ad2496df73ad461aeeccd84b59af464062d3c83968
sha512 b8d4ac80878b0ad3029ab526533e494a4fb2597ef685c531e14aa2bad25f9fdb31361508739ebb1eee304d418c3282e20f5ba063c25d7e041ee6f92b93196ace
ripemd-160 d7285f43bc4c9c889ca5fff67566e620cf8e57d6

389910981 as geometric shapes

Circle

Radius = n
Diameter 779821962
Circumference 2449882946.9272
Area 4.7761813158577E+17

Sphere

Radius = n
Volume 2.4830473897333E+26
Surface area 1.9104725263431E+18
Circumference 2449882946.9272

Square

Length = n
Perimeter 1559643924
Area 152030573104382361
Diagonal 551417397.4484

Cube

Length = n
Surface area 912183438626294166
Volume 5.9278389901122E+25
Space diagonal 675345629.52102

Equilateral Triangle

Length = n
Perimeter 1169732943
Area 6.5831169230151E+16
Altitude 337672814.76051

Triangular Pyramid

Length = n
Surface area 6.5831169230151E+16
Volume 6.9860252461506E+24
Height 183805799.14947