389438861 (number)

389438861 is an odd 9-digits composite number following 389438860 and preceding 389438862. In scientific notation, it is written as 3.89438861 × 10^8. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 333804732 positive integers (up to 389438861) that are relatively prime to 389438861.

Interesting facts

Basic properties

Name

Name three hundred eighty-nine million four hundred thirty-eight thousand eight hundred sixty-one

Notation

Scientific notation 3.89438861 × 10^8
Engineering notation 3.89438861 × 10^6

Prime Factorization of 389438861

Prime Factorization 7 × 55634123

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 389438861
Product of the distinct prime numbers

The prime factorization of 389438861 is 7 × 55634123. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 1, 26, 37, 65, 519, 9603, 4602, 66179, 33453, 195134, 831963, 8126636, 2317822, 25242011, 70484852, 317865560, 607710169, 1584557973, 6353521816

Basic calculations (n = 389438861)

Multiplication

n×y
n×2 778877722
n×3 1168316583
n×4 1557755444
n×5 1947194305

Division

n÷y
n÷2 194719430.5
n÷3 129812953.66667
n÷3 97359715.25
n÷5 77887772.2

Exponentiation

ny
n2 151662626456977321
n3 5.9063320503674E+25
n4 2.3001552263829E+34
n5 8.9576983148574E+42

Nth Root

y√n
2√n 19734.205355169
3√n 730.2637821975
4√n 140.47848716145
5√n 52.25018798353

Divisors of 389438861

1, 7, 55634123, 389438861

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 -389438860
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 389438861 can be divided by 4 positive divisors. The sum of these divisors (counting 389438861) is 1, the average is 0.25.

Base conversion 389438861

Base System Value
2 Binary 10111001101100101110110001101
3 Ternary 1000010210112200112
4 Quaternary 113031211312031
5 Quinary 1244144020421
6 Senary 102351005405
8 Octal 2715456615
10 Decimal 389438861
12 Duodecimal aa509865
16 Hexadecimal 17365d8d
20 Vigesimal 61djh31
36 Base36 6fv0y5

Cryptographic Hash Functions

md5 849655820da3b85a2aa6ee24cf7a989c
sha1 e98e4ea3aeb6e1dc2317e668a7f9fe7af21fcc50
sha256 4976079ce8833e4e98c2545fcc810063456b1e5d78405ae31d4c17e2d36f9bc6
sha512 c0b5ccb742327b95cc7e70f8bc0d267da856d8a72790a0ff828b75b341ea773ee954eff6218ab5d975fd5a02802603422e1093786cdd4ea96c9d3262bf372e0d
ripemd-160 9fddbea91af19717f8df62cca3b335324427cbef

389438861 as geometric shapes

Circle

Radius = n
Diameter 778877722
Circumference 2446916529.48
Area 4.7646219310137E+17

Sphere

Radius = n
Volume 2.4740385838795E+26
Surface area 1.9058487724055E+18
Circumference 2446916529.48

Square

Length = n
Perimeter 1557755444
Area 151662626456977321
Diagonal 550749718.94133

Cube

Length = n
Surface area 909975758741863926
Volume 5.9063320503674E+25
Space diagonal 674527893.69375

Equilateral Triangle

Length = n
Perimeter 1168316583
Area 6.5671843658206E+16
Altitude 337263946.84688

Triangular Pyramid

Length = n
Surface area 6.5671843658206E+16
Volume 6.9606790745904E+24
Height 183583239.64711