208021221 (number)

208021221 is an odd 9-digits composite number following 208021220 and preceding 208021222. In scientific notation, it is written as 2.08021221 × 10^8. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 138623040 positive integers (up to 208021221) that are relatively prime to 208021221.

Interesting facts

Basic properties

Name

Name two hundred eight million twenty-one thousand two hundred twenty-one

Notation

Scientific notation 2.08021221 × 10^8
Engineering notation 2.08021221 × 10^6

Prime Factorization of 208021221

Prime Factorization 9 × 4549 × 5081

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 208021221
Product of the distinct prime numbers

The prime factorization of 208021221 is 9 × 4549 × 5081. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 9, 12, 24, 637, 537, 8949, 843, 38034, 99231, 889998, 475867, 3280612, 1242122, 76863487, 58169655, 157077903, 396804572, 6136877722, 3458235543

Basic calculations (n = 208021221)

Multiplication

n×y
n×2 416042442
n×3 624063663
n×4 832084884
n×5 1040106105

Division

n÷y
n÷2 104010610.5
n÷3 69340407
n÷3 52005305.25
n÷5 41604244.2

Exponentiation

ny
n2 43272828386330841
n3 9.001666597048E+24
n4 1.8725376765528E+33
n5 3.8952757384502E+41

Nth Root

y√n
2√n 14422.940788896
3√n 592.51936271712
4√n 120.09554858069
5√n 46.091572828155

Divisors of 208021221

1, 9, 4549, 5081, 40941, 45729, 23113469, 208021221

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 -208021220
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 208021221 can be divided by 8 positive divisors. The sum of these divisors (counting 208021221) is 1, the average is 0.125.

Base conversion 208021221

Base System Value
2 Binary 1100011001100010011011100101
3 Ternary 112111102120110200
4 Quaternary 30121202123211
5 Quinary 411223134341
6 Senary 32350341113
8 Octal 1431423345
10 Decimal 208021221
12 Duodecimal 597ba799
16 Hexadecimal c6626e5
20 Vigesimal 3502d11
36 Base36 3fum79

Cryptographic Hash Functions

md5 f561a9d77e0c1c62999d4a0809a4ecb0
sha1 bff871375f6e7f807bf2a36b9d07af4b3f0fbfe3
sha256 754a75aa33d08677c94c58ef733a85582c6bce69ac71bf9f97bac954992d655f
sha512 4e35f63495191638472e3c2a848385c56f2c8057f123648bbb482cc988f8cf3f9b5b8ab3e6d33553adb76d97880fa4afd11485efdf435d6c7af711f4b74fe6cb
ripemd-160 25513264d8914bba8d5d51baddb479038dedede0

208021221 as geometric shapes

Circle

Radius = n
Diameter 416042442
Circumference 1307035879.3688
Area 1.3594559975855E+17

Sphere

Radius = n
Volume 3.7706092868468E+25
Surface area 5.437823990342E+17
Circumference 1307035879.3688

Square

Length = n
Perimeter 832084884
Area 43272828386330841
Diagonal 294186431.99961

Cube

Length = n
Surface area 259636970317985046
Volume 9.001666597048E+24
Space diagonal 360303323.82451

Equilateral Triangle

Length = n
Perimeter 624063663
Area 1.8737684338083E+16
Altitude 180151661.91226

Triangular Pyramid

Length = n
Surface area 1.8737684338083E+16
Volume 1.0608565821255E+24
Height 98062143.99987