221356771 is an odd 9-digits composite number following 221356770
and preceding 221356772 . In scientific notation, it is written as 2.21356771 × 10^8.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 209563200 positive integers (up to 221356771) that are relatively prime to 221356771.
221356771 has 16 divisors, whose sum is 233515008
The reverse of 221356771 is 177653122
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred twenty-one million three hundred fifty-six thousand seven hundred seventy-one
Scientific notation
2.21356771 × 10^8
Engineering notation
2.21356771 × 10^6
Prime Factorization
31 × 71 × 163 × 617
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221356771
Product of the distinct prime numbers
The prime factorization of 221356771 is 31 × 71 × 163 × 617.
Since it has a total of 4 prime factors.
5 , 4 , 50 , 29 , 715 , 523 , 2108 , 174 , 4743 , 34185 , 859401 , 873543 , 8866715 , 6049241 , 14785429 , 48765451 , 837970330 , 107381723 , 9303279782 , 4181831141
n×2
442713542
n×3
664070313
n×4
885427084
n×5
1106783855
n÷2
110678385.5
n÷3
73785590.333333
n÷3
55339192.75
n÷5
44271354.2
n2
48998820067546441
n3
1.0846220592962E+25
n4
2.4008843680118E+33
n5
5.3145201124747E+41
2 √n
14878.063415647
3 √n
604.91952666863
4 √n
121.9756673097
5 √n
46.667932624809
1 , 31 , 71 , 163 , 617 , 2201 , 5053 , 11573 , 19127 , 43807 , 100571 , 358763 , 1358017 , 3117701 , 7140541 , 221356771
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
-221356770
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 221356771 can be divided by 16 positive divisors.
The sum of these divisors (counting 221356771) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100011010001011100011
3
Ternary
120102112002101221
4
Quaternary
31030122023203
5
Quinary
423131404041
6
Senary
33544235511
8
Octal
1514321343
10
Decimal
221356771
12
Duodecimal
6216bb97
16
Hexadecimal
d31a2e3
20
Vigesimal
3939bib
36
Base36
3nsfz7
md5
01caafb15c64c635bbba452ea8513d5f
sha1
2fb827929cf1e39aa1691c8cb861f06e90139c6b
sha256
d982634509fddb988415b8c0afc0fa55f9ca54a9881bcc0fe5f5190613c3a337
sha512
432c7d628dcceef4d717d9bdb9301c0be85b127bedf34cc41c3b8c938b44d73531b99b34bb5bdf43980af22c9e42948b716495035343540a02441457f305482c
ripemd-160
a70656516242a491e4829acd32cd22660caad7af
Diameter
442713542
Circumference
1390825611.1919
Area
1.5393433315877E+17
Volume
4.5432542578752E+25
Surface area
6.1573733263509E+17
Circumference
1390825611.1919
Perimeter
885427084
Area
48998820067546441
Diagonal
313045747.67132
Surface area
293992920405278646
Volume
1.0846220592962E+25
Space diagonal
383401173.97139
Perimeter
664070313
Area
2.1217111466979E+16
Altitude
191700586.98569
Surface area
2.1217111466979E+16
Volume
1.2782393552548E+24
Height
104348582.55711