221609765 is an odd 9-digits composite number following 221609764
and preceding 221609766 . In scientific notation, it is written as 2.21609765 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 163164672 positive integers (up to 221609765) that are relatively prime to 221609765.
221609765 has 16 divisors, whose sum is 287238000
The reverse of 221609765 is 567906122
Previous prime number is 349
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred twenty-one million six hundred nine thousand seven hundred sixty-five
Scientific notation
2.21609765 × 10^8
Engineering notation
2.21609765 × 10^6
Prime Factorization
5 × 13 × 349 × 9769
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221609765
Product of the distinct prime numbers
The prime factorization of 221609765 is 5 × 13 × 349 × 9769.
Since it has a total of 4 prime factors.
6 , 10 , 23 , 61 , 691 , 273 , 5150 , 691 , 95623 , 75567 , 861380 , 984046 , 8837254 , 7283303 , 11669719 , 58708325 , 860469791 , 398461955 , 1794013132 , 5193020800
n×2
443219530
n×3
664829295
n×4
886439060
n×5
1108048825
n÷2
110804882.5
n÷3
73869921.666667
n÷3
55402441.25
n÷5
44321953
n2
49110887943355225
n3
1.0883452336068E+25
n4
2.4118793145848E+33
n5
5.344960081135E+41
2 √n
14886.563236691
3 √n
605.14989797115
4 √n
122.01050461616
5 √n
46.678595332729
1 , 5 , 13 , 65 , 349 , 1745 , 4537 , 9769 , 22685 , 48845 , 126997 , 634985 , 3409381 , 17046905 , 44321953 , 221609765
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
-221609764
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 221609765 can be divided by 16 positive divisors.
The sum of these divisors (counting 221609765) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001101010111111100100101
3
Ternary
120102222221110002
4
Quaternary
31031113330211
5
Quinary
423213003030
6
Senary
33553511045
8
Octal
1515277445
10
Decimal
221609765
12
Duodecimal
62272485
16
Hexadecimal
d357f25
20
Vigesimal
3951485
36
Base36
3nxv6t
md5
433dd7e5faba62dff5667b592cf13ed4
sha1
49c4c8e9842e33bd0deb57f410ed30363d1b32e5
sha256
cddceafad35839bda2ecb44b2907b931f8cd9635b541cce8a51850a7654d70d1
sha512
4b285694ad59af619627c27d9d3fcb7535fb38bc807fd6655bf59d289e19377aaf2ea3159baaede47e9c724bf313c5c3a103d4cb64586d0d212285a0a01c9f53
ripemd-160
1e4e8728658da27a4667f2ddc7919907981fd174
Diameter
443219530
Circumference
1392415219.3755
Area
1.5428640477412E+17
Volume
4.5588498539582E+25
Surface area
6.1714561909647E+17
Circumference
1392415219.3755
Perimeter
886439060
Area
49110887943355225
Diagonal
313403535.21731
Surface area
294665327660131350
Volume
1.0883452336068E+25
Space diagonal
383839372.4334
Perimeter
664829295
Area
2.1265638280678E+16
Altitude
191919686.2167
Surface area
2.1265638280678E+16
Volume
1.2826271582591E+24
Height
104467845.07244