685655985 (number)

685655985 is an odd 9-digits composite number following 685655984 and preceding 685655986. In scientific notation, it is written as 6.85655985 × 10^8. The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors. There are 285465600 positive integers (up to 685655985) that are relatively prime to 685655985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.85655985 × 10^8
Engineering notation 6.85655985 × 10^6

Prime Factorization of 685655985

Prime Factorization 21 × 5 × 527 × 12391

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 685655985
Product of the distinct prime numbers

The prime factorization of 685655985 is 21 × 5 × 527 × 12391. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 5, 57, 93, 495, 631, 2789, 8758, 59310, 1431, 999699, 675529, 8103473, 648060, 26902770, 89370285, 52804484, 763471725, 3417693741, 7913629539

Basic calculations (n = 685655985)

Multiplication

n×y
n×2 1371311970
n×3 2056967955
n×4 2742623940
n×5 3428279925

Division

n÷y
n÷2 342827992.5
n÷3 228551995
n÷3 171413996.25
n÷5 137131197

Exponentiation

ny
n2 470124129766320225
n3 3.2234342326719E+26
n4 2.2101669738854E+35
n5 1.5154142134939E+44

Nth Root

y√n
2√n 26185.033607005
3√n 881.79728451397
4√n 161.81790261589
5√n 58.508808529876

Divisors of 685655985

1, 5, 21, 105, 527, 2635, 11067, 12391, 55335, 61955, 260211, 1301055, 6530057, 32650285, 137131197, 685655985

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 -685655984
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 685655985 can be divided by 16 positive divisors. The sum of these divisors (counting 685655985) is 1, the average is 0.0625.

Base conversion 685655985

Base System Value
2 Binary 101000110111100100011110110001
3 Ternary 1202210011221012010
4 Quaternary 220313210132301
5 Quinary 2401011442420
6 Senary 152011553133
8 Octal 5067443661
10 Decimal 685655985
12 Duodecimal 17175b7a9
16 Hexadecimal 28de47b1
20 Vigesimal ae56jj5
36 Base36 bc7zjl

Cryptographic Hash Functions

md5 691858bcb4bbee1f67d3da9cca4af2e4
sha1 ea7d3cf711158d5dd768033998bd93cd8758ccb2
sha256 914c3f46f8ab60244e67dceefb67c966233a8d2a0cda64ea1a3e060a914b45a8
sha512 efda90572dbb61ad34bc7ea7559f65783e81fdd3338cb2206956699bc2a3bc32c1f5a930a7174f37184ed95af0fbe2e944ee509b4af2e51062ba26decafd3669
ripemd-160 393c63a9f6d6db592a42400230293df8fce77ac7

685655985 as geometric shapes

Circle

Radius = n
Diameter 1371311970
Circumference 4308103610.7317
Area 1.4769385123492E+18

Sphere

Radius = n
Volume 1.3502289739589E+27
Surface area 5.9077540493967E+18
Circumference 4308103610.7317

Square

Length = n
Perimeter 2742623940
Area 470124129766320225
Diagonal 969663993.10928

Cube

Length = n
Surface area 2820744778597921350
Volume 3.2234342326719E+26
Space diagonal 1187591002.5337

Equilateral Triangle

Length = n
Perimeter 2056967955
Area 2.0356971965484E+17
Altitude 593795501.26684

Triangular Pyramid

Length = n
Surface area 2.0356971965484E+17
Volume 3.7988536743853E+25
Height 323221331.03643