221566987 (number)

221566987 is an odd 9-digits composite number following 221566986 and preceding 221566988. In scientific notation, it is written as 2.21566987 × 10^8. The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors. There are 219420000 positive integers (up to 221566987) that are relatively prime to 221566987.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million five hundred sixty-six thousand nine hundred eighty-seven

Notation

Scientific notation 2.21566987 × 10^8
Engineering notation 2.21566987 × 10^6

Prime Factorization of 221566987

Prime Factorization 181 × 251 × 4877

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221566987
Product of the distinct prime numbers

The prime factorization of 221566987 is 181 × 251 × 4877. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 8, 29, 100, 375, 436, 2346, 2140, 35743, 82271, 198041, 362183, 4533462, 1528088, 71703412, 63307575, 544711683, 319899920, 4863263801, 129414108

Basic calculations (n = 221566987)

Multiplication

n×y
n×2 443133974
n×3 664700961
n×4 886267948
n×5 1107834935

Division

n÷y
n÷2 110783493.5
n÷3 73855662.333333
n÷3 55391746.75
n÷5 44313397.4

Exponentiation

ny
n2 49091929728258169
n3 1.0877150955906E+25
n4 2.4100175644442E+33
n5 5.3398033037099E+41

Nth Root

y√n
2√n 14885.126368291
3√n 605.11095749666
4√n 122.00461617616
5√n 46.676793091614

Divisors of 221566987

1, 181, 251, 4877, 45431, 882737, 1224127, 221566987

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 -221566986
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 221566987 can be divided by 8 positive divisors. The sum of these divisors (counting 221566987) is 1, the average is 0.125.

Base conversion 221566987

Base System Value
2 Binary 1101001101001101100000001011
3 Ternary 120102220202202201
4 Quaternary 31031031200023
5 Quinary 423210120422
6 Senary 33552541031
8 Octal 1515154013
10 Decimal 221566987
12 Duodecimal 62251777
16 Hexadecimal d34d80b
20 Vigesimal 394fh97
36 Base36 3nwy6j

Cryptographic Hash Functions

md5 0cc80acfcc5096f448be95c4a17480b0
sha1 bfff0e6ea2fc4493780669bfe27a53098e567962
sha256 e80934178516d6bf48c03cb4a0d0759bc751203cbbb1d293a89d6b4fc3353724
sha512 bd7c6d28a80a7df07c1d8518743a06f66037e4781e542231c553860c757f7b430ba5d69e0ed6383b1a7587725bb6f4e5b19fa801d65e1970c0f37ccc302078d5
ripemd-160 ad7cd9b5860cf1f8c30b249b793bc3e8e278e5d7

221566987 as geometric shapes

Circle

Radius = n
Diameter 443133974
Circumference 1392146437.2745
Area 1.5422684578484E+17

Sphere

Radius = n
Volume 4.5562103380082E+25
Surface area 6.1690738313937E+17
Circumference 1392146437.2745

Square

Length = n
Perimeter 886267948
Area 49091929728258169
Diagonal 313343037.98954

Cube

Length = n
Surface area 294551578369549014
Volume 1.0877150955906E+25
Space diagonal 383765278.76395

Equilateral Triangle

Length = n
Perimeter 664700961
Area 2.1257429132736E+16
Altitude 191882639.38198

Triangular Pyramid

Length = n
Surface area 2.1257429132736E+16
Volume 1.2818845334851E+24
Height 104447679.32985