208655985 (number)

208655985 is an odd 9-digits composite number following 208655984 and preceding 208655986. In scientific notation, it is written as 2.08655985 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 109873920 positive integers (up to 208655985) that are relatively prime to 208655985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.08655985 × 10^8
Engineering notation 2.08655985 × 10^6

Prime Factorization of 208655985

Prime Factorization 3 × 5 × 79 × 176081

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 208655985
Product of the distinct prime numbers

The prime factorization of 208655985 is 3 × 5 × 79 × 176081. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 6, 73, 95, 426, 759, 9777, 3158, 28342, 85548, 508869, 886793, 3389151, 85424, 52900854, 59096723, 562314771, 676705835, 3771535145, 942354949

Basic calculations (n = 208655985)

Multiplication

n×y
n×2 417311970
n×3 625967955
n×4 834623940
n×5 1043279925

Division

n÷y
n÷2 104327992.5
n÷3 69551995
n÷3 52163996.25
n÷5 41731197

Exponentiation

ny
n2 43537320076320225
n3 9.0843224047849E+24
n4 1.895498239428E+33
n5 3.9550705221361E+41

Nth Root

y√n
2√n 14444.929387159
3√n 593.12142957571
4√n 120.18705998217
5√n 46.119667678795

Divisors of 208655985

1, 3, 5, 15, 79, 237, 395, 1185, 176081, 528243, 880405, 2641215, 13910399, 41731197, 69551995, 208655985

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 -208655984
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 208655985 can be divided by 16 positive divisors. The sum of these divisors (counting 208655985) is 1, the average is 0.0625.

Base conversion 208655985

Base System Value
2 Binary 1100011011111101011001110001
3 Ternary 112112121211012110
4 Quaternary 30123331121301
5 Quinary 411403442420
6 Senary 32412115533
8 Octal 1433753161
10 Decimal 208655985
12 Duodecimal 59a65ba9
16 Hexadecimal c6fd671
20 Vigesimal 3541jj5
36 Base36 3g87zl

Cryptographic Hash Functions

md5 f290c0df26de8e088b8ade746dc48d46
sha1 5ee2d94ccffcf33b71572f57e20955ba05e05bf0
sha256 cc6e063bb5137a075f908f446c0de59eead146bbc9867fe14980df1a6e381bc1
sha512 33e4d7956a46dc3323658dab7f21c19dbdce1628570a3df26832cbe010eca6d13b645885f0f58948c6a3dee0dff3bd39a8d294758885c31ec41ab334e552d5c1
ripemd-160 90a850e07fce4d6d262e5c8173e3bf66e6e2b9c5

208655985 as geometric shapes

Circle

Radius = n
Diameter 417311970
Circumference 1311024219.2071
Area 1.3677652490876E+17

Sphere

Radius = n
Volume 3.8052320706284E+25
Surface area 5.4710609963502E+17
Circumference 1311024219.2071

Square

Length = n
Perimeter 834623940
Area 43537320076320225
Diagonal 295084123.85732

Cube

Length = n
Surface area 261223920457921350
Volume 9.0843224047849E+24
Space diagonal 361402767.32333

Equilateral Triangle

Length = n
Perimeter 625967955
Area 1.8852212599394E+16
Altitude 180701383.66166

Triangular Pyramid

Length = n
Surface area 1.8852212599394E+16
Volume 1.0705976624847E+24
Height 98361374.619106