389920861 (number)

389920861 is an odd 9-digits composite number following 389920860 and preceding 389920862. In scientific notation, it is written as 3.89920861 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 343450800 positive integers (up to 389920861) that are relatively prime to 389920861.

Interesting facts

Basic properties

Name

Name three hundred eighty-nine million nine hundred twenty thousand eight hundred sixty-one

Notation

Scientific notation 3.89920861 × 10^8
Engineering notation 3.89920861 × 10^6

Prime Factorization of 389920861

Prime Factorization 11 × 43 × 127 × 6491

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 389920861
Product of the distinct prime numbers

The prime factorization of 389920861 is 11 × 43 × 127 × 6491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 389920861)

Multiplication

n×y
n×2 779841722
n×3 1169762583
n×4 1559683444
n×5 1949604305

Division

n÷y
n÷2 194960430.5
n÷3 129973620.33333
n÷3 97480215.25
n÷5 77984172.2

Exponentiation

ny
n2 152038277842981321
n3 5.9282896201492E+25
n4 2.311563792946E+34
n5 9.0132694440191E+42

Nth Root

y√n
2√n 19746.413876955
3√n 730.56493518318
4√n 140.52193379311
5√n 52.263115369167

Divisors of 389920861

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -389920860
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 389920861 can be divided by 16 positive divisors. The sum of these divisors (counting 389920861) is 1, the average is 0.0625.

Base conversion 389920861

Base System Value
2 Binary 10111001111011011100001011101
3 Ternary 1000011201000212101
4 Quaternary 113033123201131
5 Quinary 1244304431421
6 Senary 102405205101
8 Octal 2717334135
10 Decimal 389920861
12 Duodecimal aa700791
16 Hexadecimal 173db85d
20 Vigesimal 61h0231
36 Base36 6g5cv1

Cryptographic Hash Functions

md5 6260ed043e178d600a0759b65b5aa442
sha1 07774ee38c668502fb9dc30a0bbecb363c5e8f89
sha256 6d042f6dc6175897029ec2b2bbb092f8841f1d44bc30f61266e1c0d8aaa70b46
sha512 4ff4aff971136c7b8e6f52ea6b7daea00081d4badb0251c8ea82ce2d45d9e47281a82696ba6a5ce0fa3d720f6bd64a4941adc129ed798e6094a9f0819d2eea84
ripemd-160 5808c59503f342f970916a44717231f5e8c32a12

389920861 as geometric shapes

Circle

Radius = n
Diameter 779841722
Circumference 2449945024.798
Area 4.7764233673595E+17

Sphere

Radius = n
Volume 2.4832361492018E+26
Surface area 1.9105693469438E+18
Circumference 2449945024.798

Square

Length = n
Perimeter 1559683444
Area 152038277842981321
Diagonal 551431369.87839

Cube

Length = n
Surface area 912229667057887926
Volume 5.9282896201492E+25
Space diagonal 675362742.183

Equilateral Triangle

Length = n
Perimeter 1169762583
Area 6.5834505479829E+16
Altitude 337681371.0915

Triangular Pyramid

Length = n
Surface area 6.5834505479829E+16
Volume 6.9865563187423E+24
Height 183810456.62613