221665745 (number)

221665745 is an odd 9-digits composite number following 221665744 and preceding 221665746. In scientific notation, it is written as 2.21665745 × 10^8. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 151999344 positive integers (up to 221665745) that are relatively prime to 221665745.

Interesting facts

Basic properties

Name

Name two hundred twenty-one million six hundred sixty-five thousand seven hundred forty-five

Notation

Scientific notation 2.21665745 × 10^8
Engineering notation 2.21665745 × 10^6

Prime Factorization of 221665745

Prime Factorization 5 × 7 × 6333307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 221665745
Product of the distinct prime numbers

The prime factorization of 221665745 is 5 × 7 × 6333307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 9, 83, 51, 245, 332, 1819, 2535, 73300, 87265, 949652, 883415, 8958523, 5482490, 15447118, 23874138, 296125451, 314307292, 8876367370, 9425207907

Basic calculations (n = 221665745)

Multiplication

n×y
n×2 443331490
n×3 664997235
n×4 886662980
n×5 1108328725

Division

n÷y
n÷2 110832872.5
n÷3 73888581.666667
n÷3 55416436.25
n÷5 44333149

Exponentiation

ny
n2 49135702506405025
n3 1.0891702102181E+25
n4 2.4143172607979E+33
n5 5.3517143428113E+41

Nth Root

y√n
2√n 14888.443337032
3√n 605.20084855273
4√n 122.01820903878
5√n 46.680953354972

Divisors of 221665745

1, 5, 7, 35, 6333307, 31666535, 44333149, 221665745

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 -221665744
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 221665745 can be divided by 8 positive divisors. The sum of these divisors (counting 221665745) is 1, the average is 0.125.

Base conversion 221665745

Base System Value
2 Binary 1101001101100101100111010001
3 Ternary 120110002210020102
4 Quaternary 31031211213101
5 Quinary 423221300440
6 Senary 33555022145
8 Octal 1515454721
10 Decimal 221665745
12 Duodecimal 6229a955
16 Hexadecimal d3659d1
20 Vigesimal 3958475
36 Base36 3nz2dt

Cryptographic Hash Functions

md5 986853a8bc11a4ce7d285502b2838e42
sha1 9f3a930cf4db60913898ea95ec2bc593120a159a
sha256 84998baf545992b2739e74618ac6247d541512eb7867e920176fac17c3d13495
sha512 36ad58ded9b208590005762c571d7f114bf0ed40501037ef51bc1d49f79ee5788f2adcc0c3905f471653347a15755ade349c7ecceefc06333fbf9d8a481dce01
ripemd-160 d08384eabb9d55b06afd4b6e6427a769edab1215

221665745 as geometric shapes

Circle

Radius = n
Diameter 443331490
Circumference 1392766952.089
Area 1.543643620231E+17

Sphere

Radius = n
Volume 4.5623055079066E+25
Surface area 6.1745744809238E+17
Circumference 1392766952.089

Square

Length = n
Perimeter 886662980
Area 49135702506405025
Diagonal 313482702.89254

Cube

Length = n
Surface area 294814215038430150
Volume 1.0891702102181E+25
Space diagonal 383936332.63761

Equilateral Triangle

Length = n
Perimeter 664997235
Area 2.1276383301671E+16
Altitude 191968166.3188

Triangular Pyramid

Length = n
Surface area 2.1276383301671E+16
Volume 1.2835994025193E+24
Height 104494234.29751