685655389 (number)

685655389 is an odd 9-digits composite number following 685655388 and preceding 685655390. In scientific notation, it is written as 6.85655389 × 10^8. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 682786300 positive integers (up to 685655389) that are relatively prime to 685655389.

Interesting facts

Basic properties

Name

Name six hundred eighty-five million six hundred fifty-five thousand three hundred eighty-nine

Notation

Scientific notation 6.85655389 × 10^8
Engineering notation 6.85655389 × 10^6

Prime Factorization of 685655389

Prime Factorization 239 × 2868851

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 685655389
Product of the distinct prime numbers

The prime factorization of 685655389 is 239 × 2868851. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 685655389)

Multiplication

n×y
n×2 1371310778
n×3 2056966167
n×4 2742621556
n×5 3428276945

Division

n÷y
n÷2 342827694.5
n÷3 228551796.33333
n÷3 171413847.25
n÷5 137131077.8

Exponentiation

ny
n2 470123312464741321
n3 3.2234258268598E+26
n4 2.2101592892282E+35
n5 1.5154076272077E+44

Nth Root

y√n
2√n 26185.022226456
3√n 881.79702901591
4√n 161.81786745121
5√n 58.508798358226

Divisors of 685655389

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 -685655388
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 685655389 can be divided by 4 positive divisors. The sum of these divisors (counting 685655389) is 1, the average is 0.25.

Base conversion 685655389

Base System Value
2 Binary 101000110111100100010101011101
3 Ternary 1202210011220101001
4 Quaternary 220313210111131
5 Quinary 2401011433024
6 Senary 152011550301
8 Octal 5067442535
10 Decimal 685655389
12 Duodecimal 17175b391
16 Hexadecimal 28de455d
20 Vigesimal ae56i99
36 Base36 bc7z31

Cryptographic Hash Functions

md5 a4e3a16e68d66455e44c1cc7ff4e2842
sha1 3d9c1c347a007e86c3a2f4ba68746c051c8129fd
sha256 07b84616d8b79f82d8f74c8a0057b3b30e0004be7fc455c593eae08e67130bbe
sha512 4a0c3ee8ed623b6d3b36bea0717e82cbadb23b89e8c6673e492593e12674dcfd53bf5b6e4a3a96cd29cea81d785e2a9e454c6add33a9ff68439295ef4593eb50
ripemd-160 edd25ccf45fbb014e3758a9e885cc91270db75d4

685655389 as geometric shapes

Circle

Radius = n
Diameter 1371310778
Circumference 4308099865.9533
Area 1.4769359447205E+18

Sphere

Radius = n
Volume 1.3502254529406E+27
Surface area 5.9077437788821E+18
Circumference 4308099865.9533

Square

Length = n
Perimeter 2742621556
Area 470123312464741321
Diagonal 969663150.238

Cube

Length = n
Surface area 2820739874788447926
Volume 3.2234258268598E+26
Space diagonal 1187589970.2314

Equilateral Triangle

Length = n
Perimeter 2056966167
Area 2.0356936575288E+17
Altitude 593794985.1157

Triangular Pyramid

Length = n
Surface area 2.0356936575288E+17
Volume 3.7988437680407E+25
Height 323221050.07933