221661568 (number)

221661568 is an even 9-digits composite number following 221661567 and preceding 221661569. In scientific notation, it is written as 2.21661568 × 10^8. The sum of its digits is 37. It has a total of 8 prime factors and 16 positive divisors. There are 110830720 positive integers (up to 221661568) that are relatively prime to 221661568.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million six hundred sixty-one thousand five hundred sixty-eight

Notation

Scientific notation 2.21661568 × 10^8
Engineering notation 2.21661568 × 10^6

Prime Factorization of 221661568

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1731731

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3463462
Product of the distinct prime numbers

The prime factorization of 221661568 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1731731. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221661568)

Multiplication

n×y
n×2 443323136
n×3 664984704
n×4 886646272
n×5 1108307840

Division

n÷y
n÷2 110830784
n÷3 73887189.333333
n÷3 55415392
n÷5 44332313.6

Exponentiation

ny
n2 49133850728218624
n3 1.0891086394295E+25
n4 2.4141352873829E+33
n5 5.3512101316542E+41

Nth Root

y√n
2√n 14888.303059785
3√n 605.19704712366
4√n 122.01763421647
5√n 46.680777425388

Divisors of 221661568

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 -221661567
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 221661568 can be divided by 16 positive divisors. The sum of these divisors (counting 221661568) is 1, the average is 0.0625.

Base conversion 221661568

Base System Value
2 Binary 1101001101100100100110000000
3 Ternary 120110002120111201
4 Quaternary 31031210212000
5 Quinary 423221132233
6 Senary 33554550544
8 Octal 1515444600
10 Decimal 221661568
12 Duodecimal 62298454
16 Hexadecimal d364980
20 Vigesimal 3957di8
36 Base36 3nyz5s

Cryptographic Hash Functions

md5 c23a3e9e7e40fe7dfdd766b9a2e43e97
sha1 cf283c8ed229b2266bc938e6aad380bf9c4863d8
sha256 4467ab6fdbde64983b09c100b2db1f2884d644ef8fac92d96d0292dfb22e4aad
sha512 17fafd1ac47759c75cd6a5ec582a16e73f600d1c9e1d55c65d27db2e2f0e3a782459f437aeb4d4d4bb9aefe0c5cdf3c7db98b2f6e268e220bb00939e801bbde4
ripemd-160 babeeb6adb2f7c7967cfe2879fc4607add6a4a5d

221661568 as geometric shapes

Circle

Radius = n
Diameter 443323136
Circumference 1392740707.224
Area 1.5435854449035E+17

Sphere

Radius = n
Volume 4.5620476007905E+25
Surface area 6.174341779614E+17
Circumference 1392740707.224

Square

Length = n
Perimeter 886646272
Area 49133850728218624
Diagonal 313476795.72249

Cube

Length = n
Surface area 294803104369311744
Volume 1.0891086394295E+25
Space diagonal 383929097.86138

Equilateral Triangle

Length = n
Perimeter 664984704
Area 2.1275581458195E+16
Altitude 191964548.93069

Triangular Pyramid

Length = n
Surface area 2.1275581458195E+16
Volume 1.2835268406491E+24
Height 104492265.24083