221291238 is an even 9-digits composite number following 221291237
and preceding 221291239 . In scientific notation, it is written as 2.21291238 × 10^8.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 62334720 positive integers (up to 221291238) that are relatively prime to 221291238.
221291238 has 32 divisors, whose sum is 512939520
The reverse of 221291238 is 832192122
Previous prime number is 71
Is Prime? no
Number parity even
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred twenty-one million two hundred ninety-one thousand two hundred thirty-eight
Scientific notation
2.21291238 × 10^8
Engineering notation
2.21291238 × 10^6
Prime Factorization
2 × 3 × 7 × 71 × 74209
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
221291238
Product of the distinct prime numbers
The prime factorization of 221291238 is 2 × 3 × 7 × 71 × 74209.
Since it has a total of 5 prime factors.
10 , 9 , 75 , 65 , 642 , 305 , 1670 , 8460 , 6192 , 98779 , 110969 , 19058 , 9453485 , 6715559 , 63061889 , 46560931 , 631311786 , 664386233 , 6430963611 , 9128375605
n×2
442582476
n×3
663873714
n×4
885164952
n×5
1106456190
n÷2
110645619
n÷3
73763746
n÷3
55322809.5
n÷5
44258247.6
n2
48969812015572644
n3
1.0836590325553E+25
n4
2.3980424888405E+33
n5
5.3066579113212E+41
2 √n
14875.860916263
3 √n
604.85982500263
4 √n
121.96663853802
5 √n
46.66516907541
1 , 2 , 3 , 6 , 7 , 14 , 21 , 42 , 71 , 142 , 213 , 426 , 497 , 994 , 1491 , 2982 , 74209 , 148418 , 222627 , 445254 , 519463 , 1038926 , 1558389 , 3116778 , 5268839 , 10537678 , 15806517 , 31613034 , 36881873 , 73763746 , 110645619 , 221291238
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221291237
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221291238 can be divided by 32 positive divisors.
The sum of these divisors (counting 221291238) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101001100001010001011100110
3
Ternary
120102101202111210
4
Quaternary
31030022023212
5
Quinary
423122304423
6
Senary
33543012250
8
Octal
1514121346
10
Decimal
221291238
12
Duodecimal
6213a086
16
Hexadecimal
d30a2e6
20
Vigesimal
393181i
36
Base36
3nr1eu
md5
2d4bddabf260519840396cc17114f5a7
sha1
3fcd22dc45d1c04a2a5b7654004736cbbfdce10e
sha256
18147fcf850a31dfe8c2e9c5c1ebd0a7bd9c2836425128aab1eb4e526d8b5ac4
sha512
3c1b0bb51df5e7d0b7b50cebfd1e8e2a454597d46d5e23111ef73f37444758cac375a2a80f61223a2f0d7964c41bf01b073893ca30d7d5a67c1387dcc1f11c1b
ripemd-160
128ff338b8260ed7ddc35fea6b8ca00333159c62
Diameter
442582476
Circumference
1390413855.2092
Area
1.538432016758E+17
Volume
4.5392203408961E+25
Surface area
6.1537280670318E+17
Circumference
1390413855.2092
Perimeter
885164952
Area
48969812015572644
Diagonal
312953070.01393
Surface area
293818872093435864
Volume
1.0836590325553E+25
Space diagonal
383287667.48582
Perimeter
663873714
Area
2.1204550612017E+16
Altitude
191643833.74291
Surface area
2.1204550612017E+16
Volume
1.2771044173566E+24
Height
104317690.00464