208889391 (number)

208889391 is an odd 9-digits composite number following 208889390 and preceding 208889392. In scientific notation, it is written as 2.08889391 × 10^8. The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors. There are 139259592 positive integers (up to 208889391) that are relatively prime to 208889391.

Interesting facts

Basic properties

Name

Name two hundred eight million eight hundred eighty-nine thousand three hundred ninety-one

Notation

Scientific notation 2.08889391 × 10^8
Engineering notation 2.08889391 × 10^6

Prime Factorization of 208889391

Prime Factorization 3 × 69629797

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 208889391
Product of the distinct prime numbers

The prime factorization of 208889391 is 3 × 69629797. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 10, 49, 52, 900, 463, 1402, 563, 51863, 65973, 322858, 856418, 8569809, 3881328, 96584356, 14483189, 203141237, 30516522, 3343493075, 2033623041

Basic calculations (n = 208889391)

Multiplication

n×y
n×2 417778782
n×3 626668173
n×4 835557564
n×5 1044446955

Division

n÷y
n÷2 104444695.5
n÷3 69629797
n÷3 52222347.75
n÷5 41777878.2

Exponentiation

ny
n2 43634777672350881
n3 9.1148421343978E+24
n4 1.9039938225155E+33
n5 3.9772411005302E+41

Nth Root

y√n
2√n 14453.006296269
3√n 593.34250560944
4√n 120.22065669538
5√n 46.129981108144

Divisors of 208889391

1, 3, 69629797, 208889391

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 -208889390
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 208889391 can be divided by 4 positive divisors. The sum of these divisors (counting 208889391) is 1, the average is 0.25.

Base conversion 208889391

Base System Value
2 Binary 1100011100110110011000101111
3 Ternary 112120001200101010
4 Quaternary 30130312120233
5 Quinary 411433430031
6 Senary 32421120303
8 Octal 1434663057
10 Decimal 208889391
12 Duodecimal 59b59093
16 Hexadecimal c73662f
20 Vigesimal 355b39b
36 Base36 3gd833

Cryptographic Hash Functions

md5 29787dfcf08724fb9ac4bc06643a8653
sha1 3465e4bd22a165cee95a6cee96129c10b5af48a4
sha256 55049398f1d494f599d10c51a823bd65cefcff4cf17786ae8e0719f0200192ca
sha512 7e18f196286bb0a4795682995b1662f523cc6eec0ecbc1591a3333dd99eaeff512f3515a70e3f735d2a33af1501fd8421372e9ed9ec0803a6334368026139e46
ripemd-160 2a2142d932e44f2e76a3abaa737cd21c876c7969

208889391 as geometric shapes

Circle

Radius = n
Diameter 417778782
Circumference 1312490752.3569
Area 1.3708269697648E+17

Sphere

Radius = n
Volume 3.818016145074E+25
Surface area 5.4833078790593E+17
Circumference 1312490752.3569

Square

Length = n
Perimeter 835557564
Area 43634777672350881
Diagonal 295414209.78806

Cube

Length = n
Surface area 261808666034105286
Volume 9.1148421343978E+24
Space diagonal 361807038.37412

Equilateral Triangle

Length = n
Perimeter 626668173
Area 1.8894412976371E+16
Altitude 180903519.18706

Triangular Pyramid

Length = n
Surface area 1.8894412976371E+16
Volume 1.0741944471129E+24
Height 98471403.262685