208045985 (number)

208045985 is an odd 9-digits composite number following 208045984 and preceding 208045986. In scientific notation, it is written as 2.08045985 × 10^8. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 139207680 positive integers (up to 208045985) that are relatively prime to 208045985.

Interesting facts

Basic properties

Name

Name two hundred eight million forty-five thousand nine hundred eighty-five

Notation

Scientific notation 2.08045985 × 10^8
Engineering notation 2.08045985 × 10^6

Prime Factorization of 208045985

Prime Factorization 35 × 73 × 107 × 761

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 208045985
Product of the distinct prime numbers

The prime factorization of 208045985 is 35 × 73 × 107 × 761. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 56, 2, 192, 972, 6229, 5691, 82940, 30675, 136154, 828608, 2165571, 1521, 11777936, 79260047, 394754291, 22146692, 8786696673, 1860395112

Basic calculations (n = 208045985)

Multiplication

n×y
n×2 416091970
n×3 624137955
n×4 832183940
n×5 1040229925

Division

n÷y
n÷2 104022992.5
n÷3 69348661.666667
n÷3 52011496.25
n÷5 41609197

Exponentiation

ny
n2 43283131874620225
n3 9.0048818047403E+24
n4 1.8734295048758E+33
n5 3.8975948666994E+41

Nth Root

y√n
2√n 14423.799256784
3√n 592.54287404801
4√n 120.0991226312
5√n 46.092670175201

Divisors of 208045985

1, 35, 73, 107, 761, 2555, 3745, 7811, 26635, 55553, 81427, 273385, 1944355, 2849945, 5944171, 208045985

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 -208045984
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 208045985 can be divided by 16 positive divisors. The sum of these divisors (counting 208045985) is 1, the average is 0.0625.

Base conversion 208045985

Base System Value
2 Binary 1100011001101000011110100001
3 Ternary 112111110211102212
4 Quaternary 30121220132201
5 Quinary 411224432420
6 Senary 32351051505
8 Octal 1431503641
10 Decimal 208045985
12 Duodecimal 59810b95
16 Hexadecimal c6687a1
20 Vigesimal 3505ej5
36 Base36 3fv5b5

Cryptographic Hash Functions

md5 fe35871819a26c0cb0756dbba2179210
sha1 aa1eeb1aed2f1267b7694610c760a08828a43109
sha256 8f7fc917c513252d789305764301274be2f34d287a89d1c92fcba6fe991de21b
sha512 86fe5095504ab65d21a46028bdf51b9682bb07f7b68c48063a23fc0ca72b451899f4cd8c80c754c72e3604a524e04eb4019bffbf012be86e5294768113fa5335
ripemd-160 33200b2cb8a321e11bcf298339527f73c8f2d760

208045985 as geometric shapes

Circle

Radius = n
Diameter 416091970
Circumference 1307191476.1697
Area 1.3597796912167E+17

Sphere

Radius = n
Volume 3.7719560698955E+25
Surface area 5.4391187648666E+17
Circumference 1307191476.1697

Square

Length = n
Perimeter 832183940
Area 43283131874620225
Diagonal 294221453.58427

Cube

Length = n
Surface area 259698791247721350
Volume 9.0048818047403E+24
Space diagonal 360346216.33071

Equilateral Triangle

Length = n
Perimeter 624137955
Area 1.8742145879387E+16
Altitude 180173108.16536

Triangular Pyramid

Length = n
Surface area 1.8742145879387E+16
Volume 1.0612354979859E+24
Height 98073817.861423