221640881 is an odd 9-digits composite number following 221640880
and preceding 221640882 . In scientific notation, it is written as 2.21640881 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 166750080 positive integers (up to 221640881) that are relatively prime to 221640881.
221640881 has 16 divisors, whose sum is 285863040
The reverse of 221640881 is 188046122
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred twenty-one million six hundred forty thousand eight hundred eighty-one
Scientific notation
2.21640881 × 10^8
Engineering notation
2.21640881 × 10^6
Prime Factorization
11 × 7 × 29 × 99257
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221640881
Product of the distinct prime numbers
The prime factorization of 221640881 is 11 × 7 × 29 × 99257.
Since it has a total of 4 prime factors.
7 , 4 , 41 , 43 , 384 , 546 , 4954 , 233 , 68229 , 74746 , 460602 , 398557 , 3483046 , 253558 , 45770136 , 6008438 , 56083821 , 635802961 , 389690694 , 6578159865
n×2
443281762
n×3
664922643
n×4
886563524
n×5
1108204405
n÷2
110820440.5
n÷3
73880293.666667
n÷3
55410220.25
n÷5
44328176.2
n2
49124680130456161
n3
1.0888037382957E+25
n4
2.4132341979196E+33
n5
5.3487135368624E+41
2 √n
14887.608303552
3 √n
605.17821947133
4 √n
122.01478723316
5 √n
46.679906077862
1 , 7 , 11 , 29 , 77 , 203 , 319 , 2233 , 99257 , 694799 , 1091827 , 2878453 , 7642789 , 20149171 , 31662983 , 221640881
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
-221640880
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 221640881 can be divided by 16 positive divisors.
The sum of these divisors (counting 221640881) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001101011111100010110001
3
Ternary
120110001112010112
4
Quaternary
31031133202301
5
Quinary
423220002011
6
Senary
33554311105
8
Octal
1515374261
10
Decimal
221640881
12
Duodecimal
62288495
16
Hexadecimal
d35f8b1
20
Vigesimal
3955241
36
Base36
3nyj75
md5
49e98116dc6912a3bd33229efb3d6b37
sha1
7789d4d38a2a31cb56b00476261ad73d4e3916dd
sha256
7dfc9e83baed8bb38c0860d17dc01b16b7e2e58a5847809a7a6e8d581c8d9671
sha512
1916d9afe8aa745e5da8edad178f1f70785c5b8f2ca2c528fb8f3fab74dbbcbba836cb368c65272f9b52152f072e6fac71d526a50b61bdbea9e4d1545b39d58f
ripemd-160
f29765df4dd45d2d1d2e1bb872ad26db99083fa0
Diameter
443281762
Circumference
1392610726.9695
Area
1.5432973420779E+17
Volume
4.560770433908E+25
Surface area
6.1731893683116E+17
Circumference
1392610726.9695
Perimeter
886563524
Area
49124680130456161
Diagonal
313447539.88652
Surface area
294748080782736966
Volume
1.0888037382957E+25
Space diagonal
383893266.92633
Perimeter
664922643
Area
2.127161047288E+16
Altitude
191946633.46316
Surface area
2.127161047288E+16
Volume
1.283167511217E+24
Height
104482513.29551