221821761 (number)

221821761 is an odd 9-digits composite number following 221821760 and preceding 221821762. In scientific notation, it is written as 2.21821761 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 126755280 positive integers (up to 221821761) that are relatively prime to 221821761.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million eight hundred twenty-one thousand seven hundred sixty-one

Notation

Scientific notation 2.21821761 × 10^8
Engineering notation 2.21821761 × 10^6

Prime Factorization of 221821761

Prime Factorization 3 × 7 × 10562941

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221821761
Product of the distinct prime numbers

The prime factorization of 221821761 is 3 × 7 × 10562941. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 30, 75, 755, 491, 3928, 8668, 48635, 73201, 214781, 990549, 3817196, 8479265, 16582566, 67378015, 223396881, 755237001, 4186945351, 1727856450

Basic calculations (n = 221821761)

Multiplication

n×y
n×2 443643522
n×3 665465283
n×4 887287044
n×5 1109108805

Division

n÷y
n÷2 110910880.5
n÷3 73940587
n÷3 55455440.25
n÷5 44364352.2

Exponentiation

ny
n2 49204893653141121
n3 1.0914716159957E+25
n4 2.4211215594169E+33
n5 5.3705744790493E+41

Nth Root

y√n
2√n 14893.681915497
3√n 605.34280233392
4√n 122.03967353077
5√n 46.687522638901

Divisors of 221821761

1, 3, 7, 21, 10562941, 31688823, 73940587, 221821761

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 -221821760
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 221821761 can be divided by 8 positive divisors. The sum of these divisors (counting 221821761) is 1, the average is 0.125.

Base conversion 221821761

Base System Value
2 Binary 1101001110001011101101000001
3 Ternary 120110101201020210
4 Quaternary 31032023231001
5 Quinary 423241244021
6 Senary 34002224333
8 Octal 1516135501
10 Decimal 221821761
12 Duodecimal 623550a9
16 Hexadecimal d38bb41
20 Vigesimal 3967e81
36 Base36 3o2erl

Cryptographic Hash Functions

md5 0dfdcb13de6a075a6beb3dd4c1858983
sha1 9224885b49b229b021123732d2643f4513acc8c5
sha256 3208e9bc4ded27f38e7257edb351eb72fa9d28910471b3de0c2e878e3424de5d
sha512 94acf0636a60da81a055b73a6582f65c5581250db287a66018588686e11a940fce8dd54a4936cd9f3ca3737c05609876142320570f291834886dcb9de3929684
ripemd-160 eed50c6f13d3909641a591cb2fb3ee979cbd7175

221821761 as geometric shapes

Circle

Radius = n
Diameter 443643522
Circumference 1393747229.5279
Area 1.5458173242138E+17

Sphere

Radius = n
Volume 4.5719456138854E+25
Surface area 6.183269296855E+17
Circumference 1393747229.5279

Square

Length = n
Perimeter 887287044
Area 49204893653141121
Diagonal 313703342.83568

Cube

Length = n
Surface area 295229361918846726
Volume 1.0914716159957E+25
Space diagonal 384206560.2764

Equilateral Triangle

Length = n
Perimeter 665465283
Area 2.1306343947066E+16
Altitude 192103280.1382

Triangular Pyramid

Length = n
Surface area 2.1306343947066E+16
Volume 1.2863116352387E+24
Height 104567780.94523