209215721 (number)

209215721 is an odd 9-digits composite number following 209215720 and preceding 209215722. In scientific notation, it is written as 2.09215721 × 10^8. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 175565520 positive integers (up to 209215721) that are relatively prime to 209215721.

Interesting facts

Basic properties

Name

Name two hundred nine million two hundred fifteen thousand seven hundred twenty-one

Notation

Scientific notation 2.09215721 × 10^8
Engineering notation 2.09215721 × 10^6

Prime Factorization of 209215721

Prime Factorization 13 × 11 × 1463047

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 209215721
Product of the distinct prime numbers

The prime factorization of 209215721 is 13 × 11 × 1463047. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 2, 69, 78, 323, 285, 1030, 7441, 2584, 60260, 339875, 971219, 952544, 6857685, 7573733, 51291871, 451579871, 666401487, 3170026680, 3471429008

Basic calculations (n = 209215721)

Multiplication

n×y
n×2 418431442
n×3 627647163
n×4 836862884
n×5 1046078605

Division

n÷y
n÷2 104607860.5
n÷3 69738573.666667
n÷3 52303930.25
n÷5 41843144.2

Exponentiation

ny
n2 43771217913549841
n3 9.1576269148314E+24
n4 1.9159195176355E+33
n5 4.0084048326008E+41

Nth Root

y√n
2√n 14464.291237389
3√n 593.65132090828
4√n 120.26758182232
5√n 46.144385093615

Divisors of 209215721

1, 11, 13, 143, 1463047, 16093517, 19019611, 209215721

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 -209215720
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 209215721 can be divided by 8 positive divisors. The sum of these divisors (counting 209215721) is 1, the average is 0.125.

Base conversion 209215721

Base System Value
2 Binary 1100011110000110000011101001
3 Ternary 112120200021000102
4 Quaternary 30132012003221
5 Quinary 412024400341
6 Senary 32432115145
8 Octal 1436060351
10 Decimal 209215721
12 Duodecimal 5a095ab5
16 Hexadecimal c7860e9
20 Vigesimal 357bj61
36 Base36 3gk7vt

Cryptographic Hash Functions

md5 ada029774e9e8ed68f29723cee69150b
sha1 f3efbc7a91ecb3e93333de131e3cf8daac59a50c
sha256 d2dcadeb730ea67219732fcf26804249cdad8ebcdefc84111de8add3acb49407
sha512 7262ed5d2312336f9b19b7f0f01dd3351fbe04e06d6d23ea3139c69f05ac2637897708bc18800c444ac1ba742e69503be0c4b8743cec67ac875bb17fd75200c0
ripemd-160 5592a0bd514062ab3df00f3f60162bc0c7dea6cd

209215721 as geometric shapes

Circle

Radius = n
Diameter 418431442
Circumference 1314541144.2182
Area 1.3751133663589E+17

Sphere

Radius = n
Volume 3.8359377919934E+25
Surface area 5.5004534654354E+17
Circumference 1314541144.2182

Square

Length = n
Perimeter 836862884
Area 43771217913549841
Diagonal 295875710.09987

Cube

Length = n
Surface area 262627307481299046
Volume 9.1576269148314E+24
Space diagonal 362372258.51415

Equilateral Triangle

Length = n
Perimeter 627647163
Area 1.8953493333859E+16
Altitude 181186129.25708

Triangular Pyramid

Length = n
Surface area 1.8953493333859E+16
Volume 1.0792366818423E+24
Height 98625236.699955