208520991 (number)

208520991 is an odd 9-digits composite number following 208520990 and preceding 208520992. In scientific notation, it is written as 2.08520991 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 108972864 positive integers (up to 208520991) that are relatively prime to 208520991.

Interesting facts

Basic properties

Name

Name two hundred eight million five hundred twenty thousand nine hundred ninety-one

Notation

Scientific notation 2.08520991 × 10^8
Engineering notation 2.08520991 × 10^6

Prime Factorization of 208520991

Prime Factorization 63 × 19 × 29 × 6007

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 208520991
Product of the distinct prime numbers

The prime factorization of 208520991 is 63 × 19 × 29 × 6007. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 82, 43, 531, 134, 7827, 3225, 25091, 6746, 43921, 973362, 1702306, 4086354, 99027060, 27368992, 980983308, 48546844, 8761999969, 5974400877

Basic calculations (n = 208520991)

Multiplication

n×y
n×2 417041982
n×3 625562973
n×4 834083964
n×5 1042604955

Division

n÷y
n÷2 104260495.5
n÷3 69506997
n÷3 52130247.75
n÷5 41704198.2

Exponentiation

ny
n2 43481003687622081
n3 9.0667019786176E+24
n4 1.890597681683E+33
n5 3.9422930216684E+41

Nth Root

y√n
2√n 14440.255918785
3√n 592.99349154473
4√n 120.16761593202
5√n 46.113698532763

Divisors of 208520991

1, 19, 29, 63, 551, 1197, 1827, 6007, 34713, 114133, 174203, 378441, 3309857, 7190379, 10974789, 208520991

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 -208520990
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 208520991 can be divided by 16 positive divisors. The sum of these divisors (counting 208520991) is 1, the average is 0.0625.

Base conversion 208520991

Base System Value
2 Binary 1100011011011100011100011111
3 Ternary 112112100222000200
4 Quaternary 30123130130133
5 Quinary 411340132431
6 Senary 32405154543
8 Octal 1433343437
10 Decimal 208520991
12 Duodecimal 599bba53
16 Hexadecimal c6dc71f
20 Vigesimal 353529b
36 Base36 3g5btr

Cryptographic Hash Functions

md5 37c090c89a88a93daf4a9bce4eea3a49
sha1 3c86895b9523f0b16e89a429cff84c8b58c69985
sha256 3e1f64caf9d5e2b562da6b4374c237751b41c91a8f8eb35114fb5966ceb510a8
sha512 f6f0a2c8523becf5db520d01d2a3def96a081f4578a40002b66c7f163e03a239779be01afc3be258b7d19e38611150bbeeca2b2189fd265ea67cf625190617f0
ripemd-160 642cf120d2049332cc7bd7ef1ca413d33440f92e

208520991 as geometric shapes

Circle

Radius = n
Diameter 417041982
Circumference 1310176026.8897
Area 1.3659960175574E+17

Sphere

Radius = n
Volume 3.7978512437751E+25
Surface area 5.4639840702298E+17
Circumference 1310176026.8897

Square

Length = n
Perimeter 834083964
Area 43481003687622081
Diagonal 294893213.51168

Cube

Length = n
Surface area 260886022125732486
Volume 9.0667019786176E+24
Space diagonal 361168950.85661

Equilateral Triangle

Length = n
Perimeter 625562973
Area 1.8827826887763E+16
Altitude 180584475.42831

Triangular Pyramid

Length = n
Surface area 1.8827826887763E+16
Volume 1.0685210753463E+24
Height 98297737.837226