221291231 is an odd 9-digits composite number following 221291230
and preceding 221291232 . In scientific notation, it is written as 2.21291231 × 10^8.
The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors.
There are 189450720 positive integers (up to 221291231) that are relatively prime to 221291231.
221291231 has 8 divisors, whose sum is 253207584
The reverse of 221291231 is 132192122
Previous prime number is 853
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 23
Digital Root 5
Name
two hundred twenty-one million two hundred ninety-one thousand two hundred thirty-one
Scientific notation
2.21291231 × 10^8
Engineering notation
2.21291231 × 10^6
Prime Factorization
7 × 853 × 37061
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221291231
Product of the distinct prime numbers
The prime factorization of 221291231 is 7 × 853 × 37061.
Since it has a total of 3 prime factors.
4 , 8 , 59 , 51 , 537 , 947 , 7464 , 6234 , 78023 , 52359 , 355818 , 317241 , 9498419 , 7367925 , 64760673 , 99641906 , 646491660 , 404832382 , 2914515000 , 2561711483
n×2
442582462
n×3
663873693
n×4
885164924
n×5
1106456155
n÷2
110645615.5
n÷3
73763743.666667
n÷3
55322807.75
n÷5
44258246.2
n2
48969808917495361
n3
1.0836589297187E+25
n4
2.398042185416E+33
n5
5.3066570720064E+41
2 √n
14875.860680982
3 √n
604.85981862488
4 √n
121.96663757349
5 √n
46.665168780182
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
-221291230
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 221291231 can be divided by 8 positive divisors.
The sum of these divisors (counting 221291231) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001100001010001011011111
3
Ternary
120102101202111112
4
Quaternary
31030022023133
5
Quinary
423122304411
6
Senary
33543012235
8
Octal
1514121337
10
Decimal
221291231
12
Duodecimal
6213a07b
16
Hexadecimal
d30a2df
20
Vigesimal
393181b
36
Base36
3nr1en
md5
6ede6619454f965e713920d85502445c
sha1
ddd8f381e56197f8e943ca8177dbcae9bf9dd711
sha256
afcd1b38e3899288ea980a5dcc6b6bd6389d0ad9b3cb3e5071c38935d106fbd3
sha512
8b18ed7efe6ed1296a0c1c1c2c54c938b1d4bde65e0243d309c71bf9b7b944660d8c2990f84f7f9a777b6ee54cedbc39bdd1a97d798389d2b11d3f16df837a29
ripemd-160
a3a75be77a0e10d9bd36bd0d3899ab3a260c582b
Diameter
442582462
Circumference
1390413811.2269
Area
1.538431919429E+17
Volume
4.5392199101351E+25
Surface area
6.153727677716E+17
Circumference
1390413811.2269
Perimeter
885164924
Area
48969808917495361
Diagonal
312953060.11444
Surface area
293818853504972166
Volume
1.0836589297187E+25
Space diagonal
383287655.36146
Perimeter
663873693
Area
2.120454927051E+16
Altitude
191643827.68073
Surface area
2.120454927051E+16
Volume
1.2771042961625E+24
Height
104317686.70481