221685405 (number)

221685405 is an odd 9-digits composite number following 221685404 and preceding 221685406. In scientific notation, it is written as 2.21685405 × 10^8. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 116064000 positive integers (up to 221685405) that are relatively prime to 221685405.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million six hundred eighty-five thousand four hundred five

Notation

Scientific notation 2.21685405 × 10^8
Engineering notation 2.21685405 × 10^6

Prime Factorization of 221685405

Prime Factorization 15 × 101 × 131 × 1117

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 221685405
Product of the distinct prime numbers

The prime factorization of 221685405 is 15 × 101 × 131 × 1117. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 26, 44, 968, 347, 3855, 183, 95727, 63581, 845503, 346558, 7757779, 9150738, 32443185, 3215325, 449652716, 309453893, 4612827380, 8939463510

Basic calculations (n = 221685405)

Multiplication

n×y
n×2 443370810
n×3 665056215
n×4 886741620
n×5 1108427025

Division

n÷y
n÷2 110842702.5
n÷3 73895135
n÷3 55421351.25
n÷5 44337081

Exponentiation

ny
n2 49144418790014025
n3 1.0894600382954E+25
n4 2.4151738982083E+33
n5 5.3540880376973E+41

Nth Root

y√n
2√n 14889.103566031
3√n 605.21874020147
4√n 122.02091446154
5√n 46.681781371936

Divisors of 221685405

1, 15, 101, 131, 1117, 1515, 1965, 13231, 16755, 112817, 146327, 198465, 1692255, 2194905, 14779027, 221685405

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 -221685404
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 221685405 can be divided by 16 positive divisors. The sum of these divisors (counting 221685405) is 1, the average is 0.0625.

Base conversion 221685405

Base System Value
2 Binary 1101001101101010011010011101
3 Ternary 120110010210012120
4 Quaternary 31031222122131
5 Quinary 423222413110
6 Senary 33555253153
8 Octal 1515523235
10 Decimal 221685405
12 Duodecimal 622aa1b9
16 Hexadecimal d36a69d
20 Vigesimal 395ada5
36 Base36 3nzhjx

Cryptographic Hash Functions

md5 6372f69b3f39f5c88d020db891acab1a
sha1 9f47cac4e718b8310386b1c244749da8b60f7c54
sha256 31d039e792f8fbb2a763ecaa4e420dff7c376b2f6186796fa57392dc28220c87
sha512 434a281dd2b46e4e56e5695213367fa092efc89502dd9452e32b9115208c5d0c2ea1778723ebf9604711297969f35caa1ca633388fd7c9611cc01a3d8763b919
ripemd-160 ecacaab243d197da1f9444add0708e1421e83da0

221685405 as geometric shapes

Circle

Radius = n
Diameter 443370810
Circumference 1392890479.5122
Area 1.5439174503565E+17

Sphere

Radius = n
Volume 4.5635195369179E+25
Surface area 6.1756698014259E+17
Circumference 1392890479.5122

Square

Length = n
Perimeter 886741620
Area 49144418790014025
Diagonal 313510506.33117

Cube

Length = n
Surface area 294866512740084150
Volume 1.0894600382954E+25
Space diagonal 383970384.75648

Equilateral Triangle

Length = n
Perimeter 665056215
Area 2.1280157563187E+16
Altitude 191985192.37824

Triangular Pyramid

Length = n
Surface area 2.1280157563187E+16
Volume 1.283940968184E+24
Height 104503502.11039