221388369 (number)

221388369 is an odd 9-digits composite number following 221388368 and preceding 221388370. In scientific notation, it is written as 2.21388369 × 10^8. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 146651856 positive integers (up to 221388369) that are relatively prime to 221388369.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million three hundred eighty-eight thousand three hundred sixty-nine

Notation

Scientific notation 2.21388369 × 10^8
Engineering notation 2.21388369 × 10^6

Prime Factorization of 221388369

Prime Factorization 3 × 157 × 470039

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221388369
Product of the distinct prime numbers

The prime factorization of 221388369 is 3 × 157 × 470039. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 221388369)

Multiplication

n×y
n×2 442776738
n×3 664165107
n×4 885553476
n×5 1106941845

Division

n÷y
n÷2 110694184.5
n÷3 73796123
n÷3 55347092.25
n÷5 44277673.8

Exponentiation

ny
n2 49012809928480161
n3 1.0850866050173E+25
n4 2.4022555370853E+33
n5 5.3183143527654E+41

Nth Root

y√n
2√n 14879.125276709
3√n 604.94830876806
4√n 121.98001998979
5√n 46.669264889584

Divisors of 221388369

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 -221388368
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 221388369 can be divided by 8 positive divisors. The sum of these divisors (counting 221388369) is 1, the average is 0.125.

Base conversion 221388369

Base System Value
2 Binary 1101001100100001111001010001
3 Ternary 120102120200202020
4 Quaternary 31030201321101
5 Quinary 423133411434
6 Senary 33545042053
8 Octal 1514417121
10 Decimal 221388369
12 Duodecimal 62186329
16 Hexadecimal d321e51
20 Vigesimal 393dai9
36 Base36 3nt4cx

Cryptographic Hash Functions

md5 bf7c1eb629ba5ca5e0def93a39694ddc
sha1 a9c7aee28e2da0d1cc940e7dc4db1e95977b084c
sha256 0604872589239e01608d8582725a7e6f7abae5a339ffcc52c9587fb60cf9a3d1
sha512 fdfd824e387f2007bff8b1eb0578878b68983587f798d4ce2e1307a452c7cf42adc348cfdd29589b6f4cb176eac0ac36f233cf64ee0dfd3af831e3fb50c1aeb3
ripemd-160 8c7a5046fdc6f2ab6149910b48e6dbd600ee631e

221388369 as geometric shapes

Circle

Radius = n
Diameter 442776738
Circumference 1391024147.2813
Area 1.5397828360311E+17

Sphere

Radius = n
Volume 4.5452001424415E+25
Surface area 6.1591313441242E+17
Circumference 1391024147.2813

Square

Length = n
Perimeter 885553476
Area 49012809928480161
Diagonal 313090433.99146

Cube

Length = n
Surface area 294076859570880966
Volume 1.0850866050173E+25
Space diagonal 383455903.31281

Equilateral Triangle

Length = n
Perimeter 664165107
Area 2.1223169254461E+16
Altitude 191727951.6564

Triangular Pyramid

Length = n
Surface area 2.1223169254461E+16
Volume 1.2787868276374E+24
Height 104363477.99715