221565978 (number)

221565978 is an even 9-digits composite number following 221565977 and preceding 221565979. In scientific notation, it is written as 2.21565978 × 10^8. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 72485280 positive integers (up to 221565978) that are relatively prime to 221565978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21565978 × 10^8
Engineering notation 2.21565978 × 10^6

Prime Factorization of 221565978

Prime Factorization 2 × 3 × 3 × 103 × 127 × 941

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 73855326
Product of the distinct prime numbers

The prime factorization of 221565978 is 2 × 3 × 3 × 103 × 127 × 941. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221565978)

Multiplication

n×y
n×2 443131956
n×3 664697934
n×4 886263912
n×5 1107829890

Division

n÷y
n÷2 110782989
n÷3 73855326
n÷3 55391494.5
n÷5 44313195.6

Exponentiation

ny
n2 49091482607096484
n3 1.0877002355311E+25
n4 2.4099736645629E+33
n5 5.3396817194311E+41

Nth Root

y√n
2√n 14885.092475359
3√n 605.11003895145
4√n 122.00447727587
5√n 46.67675057899

Divisors of 221565978

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -221565977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 221565978 can be divided by 48 positive divisors. The sum of these divisors (counting 221565978) is 1, the average is 0.020833333333333.

Base conversion 221565978

Base System Value
2 Binary 1101001101001101010000011010
3 Ternary 120102220201101100
4 Quaternary 31031031100122
5 Quinary 423210102403
6 Senary 33552532230
8 Octal 1515152032
10 Decimal 221565978
12 Duodecimal 62251076
16 Hexadecimal d34d41a
20 Vigesimal 394feii
36 Base36 3nwxei

Cryptographic Hash Functions

md5 5834cad580c99724fa6fd63ba984cf77
sha1 00b222db78919e10ddbf77f317f596289adac81d
sha256 5be992aaffe902de39893d746f669d0dd74db35013abac928dc94f918d5fc7d2
sha512 a52091b87c9d79201a3e2fd84e9302818b8ef6875596422fc7be9a78ca8fe33e053011c850e387fc1b9f4ad314cfccd6c120c6af1f12b6d6c898bca970892a20
ripemd-160 a8c73b49952a1c2038a3b670fc2e12980bee4887

221565978 as geometric shapes

Circle

Radius = n
Diameter 443131956
Circumference 1392140097.5405
Area 1.5422544111229E+17

Sphere

Radius = n
Volume 4.5561480923367E+25
Surface area 6.1690176444914E+17
Circumference 1392140097.5405

Square

Length = n
Perimeter 886263912
Area 49091482607096484
Diagonal 313341611.04806

Cube

Length = n
Surface area 294548895642578904
Volume 1.0877002355311E+25
Space diagonal 383763531.12469

Equilateral Triangle

Length = n
Perimeter 664697934
Area 2.1257235523594E+16
Altitude 191881765.56234

Triangular Pyramid

Length = n
Surface area 2.1257235523594E+16
Volume 1.2818670207371E+24
Height 104447203.68269