208889745 (number)

208889745 is an odd 9-digits composite number following 208889744 and preceding 208889746. In scientific notation, it is written as 2.08889745 × 10^8. The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors. There are 111265920 positive integers (up to 208889745) that are relatively prime to 208889745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.08889745 × 10^8
Engineering notation 2.08889745 × 10^6

Prime Factorization of 208889745

Prime Factorization 15 × 823 × 16921

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 208889745
Product of the distinct prime numbers

The prime factorization of 208889745 is 15 × 823 × 16921. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 9, 61, 70, 790, 251, 8692, 7610, 36500, 86019, 710, 442456, 1316217, 8407774, 54446854, 5421813, 424298450, 765854117, 5757474046, 8212955624

Basic calculations (n = 208889745)

Multiplication

n×y
n×2 417779490
n×3 626669235
n×4 835558980
n×5 1044448725

Division

n÷y
n÷2 104444872.5
n÷3 69629915
n÷3 52222436.25
n÷5 41777949

Exponentiation

ny
n2 43634925566165025
n3 9.1148884746102E+24
n4 1.9040067291648E+33
n5 3.9772748013351E+41

Nth Root

y√n
2√n 14453.018542851
3√n 593.34284078384
4√n 120.22070762914
5√n 46.129996743215

Divisors of 208889745

1, 15, 823, 12345, 16921, 253815, 13925983, 208889745

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -208889744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 208889745 can be divided by 8 positive divisors. The sum of these divisors (counting 208889745) is 1, the average is 0.125.

Base conversion 208889745

Base System Value
2 Binary 1100011100110110011110010001
3 Ternary 112120001200212020
4 Quaternary 30130312132101
5 Quinary 411433432440
6 Senary 32421122053
8 Octal 1434663621
10 Decimal 208889745
12 Duodecimal 59b59329
16 Hexadecimal c736791
20 Vigesimal 355b475
36 Base36 3gd8cx

Cryptographic Hash Functions

md5 b082e9f26cfb7c7d1519ef7e911d22f9
sha1 be788c91d9e8a64ee672a7156793ec0edbc646c2
sha256 103510c7e9f4de35dced6a241eb0810d1068f4370944e7d572b6e181e5741978
sha512 d8127f97451d891e6f9974ca0270b5f8f8feb670d30b46eeec6617aee87354a9560181cf330e951390b2caf8bd55b097efbe9bcc27c4cc157046c4d15f405512
ripemd-160 edc3bb81cd47bdcdb58fe4dd1da5b10e83d01432

208889745 as geometric shapes

Circle

Radius = n
Diameter 417779490
Circumference 1312492976.6045
Area 1.370831615986E+17

Sphere

Radius = n
Volume 3.8180355560168E+25
Surface area 5.4833264639441E+17
Circumference 1312492976.6045

Square

Length = n
Perimeter 835558980
Area 43634925566165025
Diagonal 295414710.41966

Cube

Length = n
Surface area 261809553396990150
Volume 9.1148884746102E+24
Space diagonal 361807651.52011

Equilateral Triangle

Length = n
Perimeter 626669235
Area 1.8894477016271E+16
Altitude 180903825.76005

Triangular Pyramid

Length = n
Surface area 1.8894477016271E+16
Volume 1.0741999083593E+24
Height 98471570.139886