221979521 (number)

221979521 is an odd 9-digits composite number following 221979520 and preceding 221979522. In scientific notation, it is written as 2.21979521 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 221675952 positive integers (up to 221979521) that are relatively prime to 221979521.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million nine hundred seventy-nine thousand five hundred twenty-one

Notation

Scientific notation 2.21979521 × 10^8
Engineering notation 2.21979521 × 10^6

Prime Factorization of 221979521

Prime Factorization 733 × 302837

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 221979521
Product of the distinct prime numbers

The prime factorization of 221979521 is 733 × 302837. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221979521)

Multiplication

n×y
n×2 443959042
n×3 665938563
n×4 887918084
n×5 1109897605

Division

n÷y
n÷2 110989760.5
n÷3 73993173.666667
n÷3 55494880.25
n÷5 44395904.2

Exponentiation

ny
n2 49274907743389441
n3 1.0938020418197E+25
n4 2.4280165331195E+33
n5 5.3896994700196E+41

Nth Root

y√n
2√n 14898.977179659
3√n 605.48627525764
4√n 122.06136645007
5√n 46.694161599038

Divisors of 221979521

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 -221979520
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 221979521 can be divided by 4 positive divisors. The sum of these divisors (counting 221979521) is 1, the average is 0.25.

Base conversion 221979521

Base System Value
2 Binary 1101001110110010001110000001
3 Ternary 120110200201122202
4 Quaternary 31032302032001
5 Quinary 423311321041
6 Senary 34005442545
8 Octal 1516621601
10 Decimal 221979521
12 Duodecimal 62410455
16 Hexadecimal d3b2381
20 Vigesimal 39778g1
36 Base36 3o5sht

Cryptographic Hash Functions

md5 741fb7f731a0ec747383eac5e1123311
sha1 28ff1c300f6336be6299d38570c160642b731a8e
sha256 4789afed1c68fcad06f1ca39f9840f24c282024b14cfb92647a6a455f9c17da5
sha512 1c769e5bf57c44f4e9dbb5556428bd9f74dabe1b564f853e0fc099053ac018b1a1d9e7de4c202055a30e4214d56fb376e8500c084daa7f2b78fa3661e3d49bb6
ripemd-160 24bdc340730ce97ea70bfe8cb79b9abd3b96d21b

221979521 as geometric shapes

Circle

Radius = n
Diameter 443959042
Circumference 1394738464.842
Area 1.5480168817295E+17

Sphere

Radius = n
Volume 4.5817072787496E+25
Surface area 6.1920675269179E+17
Circumference 1394738464.842

Square

Length = n
Perimeter 887918084
Area 49274907743389441
Diagonal 313926449.16728

Cube

Length = n
Surface area 295649446460336646
Volume 1.0938020418197E+25
Space diagonal 384479808.6118

Equilateral Triangle

Length = n
Perimeter 665938563
Area 2.1336660937455E+16
Altitude 192239904.3059

Triangular Pyramid

Length = n
Surface area 2.1336660937455E+16
Volume 1.2890580684106E+24
Height 104642149.72243