208996921 (number)

208996921 is an odd 9-digits composite number following 208996920 and preceding 208996922. In scientific notation, it is written as 2.08996921 × 10^8. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 175328448 positive integers (up to 208996921) that are relatively prime to 208996921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.08996921 × 10^8
Engineering notation 2.08996921 × 10^6

Prime Factorization of 208996921

Prime Factorization 7 × 47 × 635249

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 208996921
Product of the distinct prime numbers

The prime factorization of 208996921 is 7 × 47 × 635249. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 50, 96, 256, 790, 45, 6753, 69422, 84760, 90394, 400507, 3757507, 111210, 23822532, 1820453, 252736837, 284593102, 634070784, 9318542525

Basic calculations (n = 208996921)

Multiplication

n×y
n×2 417993842
n×3 626990763
n×4 835987684
n×5 1044984605

Division

n÷y
n÷2 104498460.5
n÷3 69665640.333333
n÷3 52249230.25
n÷5 41799384.2

Exponentiation

ny
n2 43679712987480241
n3 9.1289255245471E+24
n4 1.9079173266687E+33
n5 3.987488467963E+41

Nth Root

y√n
2√n 14456.725804967
3√n 593.44429979287
4√n 120.23612520772
5√n 46.134729396971

Divisors of 208996921

1, 7, 47, 329, 635249, 4446743, 29856703, 208996921

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 -208996920
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 208996921 can be divided by 8 positive divisors. The sum of these divisors (counting 208996921) is 1, the average is 0.125.

Base conversion 208996921

Base System Value
2 Binary 1100011101010000101000111001
3 Ternary 112120021010212201
4 Quaternary 30131100220321
5 Quinary 412000400141
6 Senary 32423310201
8 Octal 1435205071
10 Decimal 208996921
12 Duodecimal 59bab361
16 Hexadecimal c750a39
20 Vigesimal 3564c61
36 Base36 3gfj21

Cryptographic Hash Functions

md5 f546817abc8febe2c0f0e8bc3ed2c7a6
sha1 bdda211ef28d959d7f8b07046e899e3a563d091c
sha256 29304cd90c6e6ca7d55a88c541732eb1976d250e269b1772b14c995878ee12f8
sha512 115503cca8d8b798f4c84b65d516da9744bd7a66879e2b265b303128525ba12b4c636d40890b925ef87e0144e560300fae60b66c78ee45e77bc320ac79645ffb
ripemd-160 c9ca3bc2a44f7064eeac0b967e3a1a34fa5994b1

208996921 as geometric shapes

Circle

Radius = n
Diameter 417993842
Circumference 1313166383.273
Area 1.3722386543238E+17

Sphere

Radius = n
Volume 3.8239153817447E+25
Surface area 5.4889546172951E+17
Circumference 1313166383.273

Square

Length = n
Perimeter 835987684
Area 43679712987480241
Diagonal 295566280.17242

Cube

Length = n
Surface area 262078277924881446
Volume 9.1289255245471E+24
Space diagonal 361993285.79746

Equilateral Triangle

Length = n
Perimeter 626990763
Area 1.8913870538585E+16
Altitude 180996642.89873

Triangular Pyramid

Length = n
Surface area 1.8913870538585E+16
Volume 1.075854190559E+24
Height 98522093.390806