221649387 (number)

221649387 is an odd 9-digits composite number following 221649386 and preceding 221649388. In scientific notation, it is written as 2.21649387 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 145797120 positive integers (up to 221649387) that are relatively prime to 221649387.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.21649387 × 10^8
Engineering notation 2.21649387 × 10^6

Prime Factorization of 221649387

Prime Factorization 3 × 113 × 241 × 2713

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 221649387
Product of the distinct prime numbers

The prime factorization of 221649387 is 3 × 113 × 241 × 2713. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221649387)

Multiplication

n×y
n×2 443298774
n×3 664948161
n×4 886597548
n×5 1108246935

Division

n÷y
n÷2 110824693.5
n÷3 73883129
n÷3 55412346.75
n÷5 44329877.4

Exponentiation

ny
n2 49128450757475769
n3 1.0889290994654E+25
n4 2.4136046738297E+33
n5 5.3497399641469E+41

Nth Root

y√n
2√n 14887.893974636
3√n 605.18596109382
4√n 122.01595786878
5√n 46.680264363016

Divisors of 221649387

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 -221649386
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 221649387 can be divided by 16 positive divisors. The sum of these divisors (counting 221649387) is 1, the average is 0.0625.

Base conversion 221649387

Base System Value
2 Binary 1101001101100001100111101011
3 Ternary 120110001221210120
4 Quaternary 31031201213223
5 Quinary 423220240022
6 Senary 33554414323
8 Octal 1515414753
10 Decimal 221649387
12 Duodecimal 622913a3
16 Hexadecimal d3619eb
20 Vigesimal 3956397
36 Base36 3nyprf

Cryptographic Hash Functions

md5 d3149f5b5efe1e9d3c5f9659cdc8075a
sha1 ec2888ebad7e45cabfa139af59bc47b1bc10eeb8
sha256 6df344703c516556d2046c63299e3bda2e499cf401876e4a3ac20338ba5b7bad
sha512 e55e34cc7fff9f94cc4d69b50f3dba5a7a0a5b912478b4c238e9a0145790b04c753b5de3c1de8eb8025d154eb28c25b06eac0aadc043de775452cf2fa70ebfa1
ripemd-160 e59d4055358dbe293eeba026266994ad281bb06f

221649387 as geometric shapes

Circle

Radius = n
Diameter 443298774
Circumference 1392664171.7438
Area 1.5434157998193E+17

Sphere

Radius = n
Volume 4.5612955455476E+25
Surface area 6.1736631992774E+17
Circumference 1392664171.7438

Square

Length = n
Perimeter 886597548
Area 49128450757475769
Diagonal 313459569.18708

Cube

Length = n
Surface area 294770704544854614
Volume 1.0889290994654E+25
Space diagonal 383907999.7505

Equilateral Triangle

Length = n
Perimeter 664948161
Area 2.1273243202273E+16
Altitude 191953999.87525

Triangular Pyramid

Length = n
Surface area 2.1273243202273E+16
Volume 1.2833152507723E+24
Height 104486523.06236