221645971 (number)

221645971 is an odd 9-digits composite number following 221645970 and preceding 221645972. In scientific notation, it is written as 2.21645971 × 10^8. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 220131912 positive integers (up to 221645971) that are relatively prime to 221645971.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21645971 × 10^8
Engineering notation 2.21645971 × 10^6

Prime Factorization of 221645971

Prime Factorization 463 × 239 × 2003

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221645971
Product of the distinct prime numbers

The prime factorization of 221645971 is 463 × 239 × 2003. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 18, 60, 214, 69, 8808, 4129, 60632, 25236, 828205, 41098, 5729204, 3813074, 48889839, 22786433, 233406874, 85173666, 2397379849, 9844147514

Basic calculations (n = 221645971)

Multiplication

n×y
n×2 443291942
n×3 664937913
n×4 886583884
n×5 1108229855

Division

n÷y
n÷2 110822985.5
n÷3 73881990.333333
n÷3 55411492.75
n÷5 44329194.2

Exponentiation

ny
n2 49126936460532841
n3 1.088878753405E+25
n4 2.4134558859972E+33
n5 5.3493277331752E+41

Nth Root

y√n
2√n 14887.77925011
3√n 605.18285209076
4√n 122.01548774688
5√n 46.680120477424

Divisors of 221645971

1, 239, 463, 2003, 110657, 478717, 927389, 221645971

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 -221645970
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 221645971 can be divided by 8 positive divisors. The sum of these divisors (counting 221645971) is 1, the average is 0.125.

Base conversion 221645971

Base System Value
2 Binary 1101001101100000110010010011
3 Ternary 120110001210010001
4 Quaternary 31031200302103
5 Quinary 423220132341
6 Senary 33554350431
8 Octal 1515406223
10 Decimal 221645971
12 Duodecimal 6228b417
16 Hexadecimal d360c93
20 Vigesimal 3955eib
36 Base36 3nyn4j

Cryptographic Hash Functions

md5 de58c94565f4818837a2f0a4b1079660
sha1 215372883526a5b70b7e9ba8e2f573c15ea79409
sha256 c4f0d251a8bf832ec391d15d6d53bf38f6edfe25f065caf94797d42ce96d6605
sha512 47f163c2f4d289db0c4b935cbc97a88de49d7ebd56898a02ea9d6f29cdb767c33ea60a80e7afb726260e8108c4b3fcf1c619d8ef4f3a8eb935d84eb607a8116e
ripemd-160 ad97456ad40457532f4f00eefd805ae70ecd849f

221645971 as geometric shapes

Circle

Radius = n
Diameter 443291942
Circumference 1392642708.3828
Area 1.5433682267778E+17

Sphere

Radius = n
Volume 4.5610846564629E+25
Surface area 6.1734729071113E+17
Circumference 1392642708.3828

Square

Length = n
Perimeter 886583884
Area 49126936460532841
Diagonal 313454738.23355

Cube

Length = n
Surface area 294761618763197046
Volume 1.088878753405E+25
Space diagonal 383902083.06494

Equilateral Triangle

Length = n
Perimeter 664937913
Area 2.1272587492463E+16
Altitude 191951041.53247

Triangular Pyramid

Length = n
Surface area 2.1272587492463E+16
Volume 1.2832559173711E+24
Height 104484912.74452