221746987 (number)

221746987 is an odd 9-digits composite number following 221746986 and preceding 221746988. In scientific notation, it is written as 2.21746987 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 166538400 positive integers (up to 221746987) that are relatively prime to 221746987.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21746987 × 10^8
Engineering notation 2.21746987 × 10^6

Prime Factorization of 221746987

Prime Factorization 11 × 329 × 71 × 863

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 221746987
Product of the distinct prime numbers

The prime factorization of 221746987 is 11 × 329 × 71 × 863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221746987)

Multiplication

n×y
n×2 443493974
n×3 665240961
n×4 886987948
n×5 1108734935

Division

n÷y
n÷2 110873493.5
n÷3 73915662.333333
n÷3 55436746.75
n÷5 44349397.4

Exponentiation

ny
n2 49171726243578169
n3 1.0903682140102E+25
n4 2.4178586617734E+33
n5 5.361528732401E+41

Nth Root

y√n
2√n 14891.171444853
3√n 605.27477626131
4√n 122.02938762795
5√n 46.684374630687

Divisors of 221746987

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 -221746986
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 221746987 can be divided by 16 positive divisors. The sum of these divisors (counting 221746987) is 1, the average is 0.0625.

Base conversion 221746987

Base System Value
2 Binary 1101001101111001011100101011
3 Ternary 120110020220200101
4 Quaternary 31031321130223
5 Quinary 423231400422
6 Senary 34000450231
8 Octal 1515713453
10 Decimal 221746987
12 Duodecimal 62319977
16 Hexadecimal d37972b
20 Vigesimal 395i797
36 Base36 3o0t2j

Cryptographic Hash Functions

md5 9ca28f6df68b527a3dc8fa1fbe009adf
sha1 78bd25d2ff12736902fab92ac17aa0e8b0dccaf3
sha256 bab254fd6cfab0d2e42e0126f9646eca44f5553e764a18b1c23ac2088bd9bf7a
sha512 344ef80edcd2fad8cacbd0e25292a67ece49d25f2a318b7bf678b19a6c07188becbd2d687bda4e1e0968e202adf61138b5b23678242a145de375e9aa05241de0
ripemd-160 79e2936c4ee342e72f4a035f84e757e765bb2faf

221746987 as geometric shapes

Circle

Radius = n
Diameter 443493974
Circumference 1393277410.6297
Area 1.5447753393115E+17

Sphere

Radius = n
Volume 4.5673236944565E+25
Surface area 6.1791013572461E+17
Circumference 1393277410.6297

Square

Length = n
Perimeter 886987948
Area 49171726243578169
Diagonal 313597596.43077

Cube

Length = n
Surface area 295030357461469014
Volume 1.0903682140102E+25
Space diagonal 384077047.90932

Equilateral Triangle

Length = n
Perimeter 665240961
Area 2.1291982037436E+16
Altitude 192038523.95466

Triangular Pyramid

Length = n
Surface area 2.1291982037436E+16
Volume 1.2850112635282E+24
Height 104532532.14359