221249931 is an odd 9-digits composite number following 221249930
and preceding 221249932 . In scientific notation, it is written as 2.21249931 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 123052800 positive integers (up to 221249931) that are relatively prime to 221249931.
221249931 has 16 divisors, whose sum is 238046688
The reverse of 221249931 is 139942122
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred twenty-one million two hundred forty-nine thousand nine hundred thirty-one
Scientific notation
2.21249931 × 10^8
Engineering notation
2.21249931 × 10^6
Prime Factorization
21 × 53 × 137 × 1451
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221249931
Product of the distinct prime numbers
The prime factorization of 221249931 is 21 × 53 × 137 × 1451.
Since it has a total of 4 prime factors.
9 , 7 , 9 , 14 , 367 , 61 , 8499 , 4065 , 81070 , 50207 , 411663 , 646178 , 7413665 , 6237871 , 59649617 , 4709494 , 399423854 , 582574083 , 1872422175 , 7966319408
n×2
442499862
n×3
663749793
n×4
884999724
n×5
1106249655
n÷2
110624965.5
n÷3
73749977
n÷3
55312482.75
n÷5
44249986.2
n2
48951531967504761
n3
1.0830523070155E+25
n4
2.3962524819656E+33
n5
5.3017069629348E+41
2 √n
14874.472461234
3 √n
604.82218757398
4 √n
121.96094645924
5 √n
46.663426808434
1 , 21 , 53 , 137 , 1113 , 1451 , 2877 , 7261 , 30471 , 76903 , 152481 , 198787 , 1614963 , 4174527 , 10535711 , 221249931
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
-221249930
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 221249931 can be divided by 16 positive divisors.
The sum of these divisors (counting 221249931) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100000000000110001011
3
Ternary
120102022122211220
4
Quaternary
31030000012023
5
Quinary
423114444211
6
Senary
33542053123
8
Octal
1514000613
10
Decimal
221249931
12
Duodecimal
6211a1a3
16
Hexadecimal
d30018b
20
Vigesimal
392g4gb
36
Base36
3nq5jf
md5
0ff5ecd2ded562b19d5d8ba90d48980b
sha1
5c7dbb3f2afcf436f525c6f5e86e3e099c31d209
sha256
e717e57268cab2c49b6b2ed7931d35a5cc0bd643abb06b990ffaae48d2e78dc7
sha512
835b2e7a028c3a523082cd21adf888a8c0401c0091587494b6a53d5dbb1324c2bdc2f5769aeec13d9a3a5059516891b89bf06825be354e0aa23ceaa96dce14e0
ripemd-160
a967018dde4206c8be16241155de02b52f4626ff
Diameter
442499862
Circumference
1390154315.6737
Area
1.5378577321108E+17
Volume
4.5366788948977E+25
Surface area
6.1514309284432E+17
Circumference
1390154315.6737
Perimeter
884999724
Area
48951531967504761
Diagonal
312894653.09431
Surface area
293709191805028566
Volume
1.0830523070155E+25
Space diagonal
383216121.66311
Perimeter
663749793
Area
2.1196635119013E+16
Altitude
191608060.83155
Surface area
2.1196635119013E+16
Volume
1.2763893844506E+24
Height
104298217.6981