221245646 is an even 9-digits composite number following 221245645
and preceding 221245647 . In scientific notation, it is written as 2.21245646 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 109670400 positive integers (up to 221245646) that are relatively prime to 221245646.
221245646 has 16 divisors, whose sum is 334739520
The reverse of 221245646 is 646542122
Previous prime number is 257
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred twenty-one million two hundred forty-five thousand six hundred forty-six
Scientific notation
2.21245646 × 10^8
Engineering notation
2.21245646 × 10^6
Prime Factorization
2 × 239 × 257 × 1801
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221245646
Product of the distinct prime numbers
The prime factorization of 221245646 is 2 × 239 × 257 × 1801.
Since it has a total of 4 prime factors.
6 , 8 , 90 , 15 , 957 , 810 , 2459 , 13 , 48066 , 4131 , 599905 , 750678 , 988647 , 2991663 , 82828055 , 43321096 , 642166924 , 61694190 , 3852960497 , 2950511017
n×2
442491292
n×3
663736938
n×4
884982584
n×5
1106228230
n÷2
110622823
n÷3
73748548.666667
n÷3
55311411.5
n÷5
44249129.2
n2
48949635873957316
n3
1.0829893810398E+25
n4
2.396066852193E+33
n5
5.3011935857263E+41
2 √n
14874.328421815
3 √n
604.81828297042
4 √n
121.96035594329
5 √n
46.663246058698
1 , 2 , 239 , 257 , 478 , 514 , 1801 , 3602 , 61423 , 122846 , 430439 , 462857 , 860878 , 925714 , 110622823 , 221245646
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
-221245645
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 221245646 can be divided by 16 positive divisors.
The sum of these divisors (counting 221245646) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001011111111000011001110
3
Ternary
120102022102222012
4
Quaternary
31023333003032
5
Quinary
423114330041
6
Senary
33542021222
8
Octal
1513770316
10
Decimal
221245646
12
Duodecimal
62117812
16
Hexadecimal
d2ff0ce
20
Vigesimal
392fe26
36
Base36
3nq28e
md5
b712a0b91b1b55f3ce410240362d7878
sha1
1432f7cb99b7f720beb1deafe7e27f0f75c40cc6
sha256
75a7b8a0b2434a2c3dc465d875646695378f6fbea10b1a8299a36ec5a5a87010
sha512
94780fa67ca6d32b9ed0f260bd35409c3f4548d63c5c82d555724fab660fb12285a4e9d64eee97c4bc56f5d355d634f6fcf03f7cba7172619b8acc9bb73e0988
ripemd-160
aa13fa62cc2d648bdc41b4f00886044cf6d19f4f
Diameter
442491292
Circumference
1390127392.2247
Area
1.5377981645752E+17
Volume
4.5364153111874E+25
Surface area
6.1511926583008E+17
Circumference
1390127392.2247
Perimeter
884982584
Area
48949635873957316
Diagonal
312888593.1892
Surface area
293697815243743896
Volume
1.0829893810398E+25
Space diagonal
383208699.8254
Perimeter
663736938
Area
2.1195814086423E+16
Altitude
191604349.9127
Surface area
2.1195814086423E+16
Volume
1.2763152254772E+24
Height
104296197.72973