221649387 is an odd 9-digits composite number following 221649386
and preceding 221649388 . In scientific notation, it is written as 2.21649387 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 145797120 positive integers (up to 221649387) that are relatively prime to 221649387.
221649387 has 16 divisors, whose sum is 299495328
The reverse of 221649387 is 783946122
Previous prime number is 241
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred twenty-one million six hundred forty-nine thousand three hundred eighty-seven
Scientific notation
2.21649387 × 10^8
Engineering notation
2.21649387 × 10^6
Prime Factorization
3 × 113 × 241 × 2713
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221649387
Product of the distinct prime numbers
The prime factorization of 221649387 is 3 × 113 × 241 × 2713.
Since it has a total of 4 prime factors.
7 , 10 , 22 , 3 , 491 , 311 , 8230 , 2863 , 92095 , 59234 , 794089 , 786780 , 6734891 , 7899371 , 16074779 , 61446738 , 384861425 , 787703945 , 2628618217 , 8898607807
n×2
443298774
n×3
664948161
n×4
886597548
n×5
1108246935
n÷2
110824693.5
n÷3
73883129
n÷3
55412346.75
n÷5
44329877.4
n2
49128450757475769
n3
1.0889290994654E+25
n4
2.4136046738297E+33
n5
5.3497399641469E+41
2 √n
14887.893974636
3 √n
605.18596109382
4 √n
122.01595786878
5 √n
46.680264363016
1 , 3 , 113 , 241 , 339 , 723 , 2713 , 8139 , 27233 , 81699 , 306569 , 653833 , 919707 , 1961499 , 73883129 , 221649387
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
-221649386
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 221649387 can be divided by 16 positive divisors.
The sum of these divisors (counting 221649387) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001101100001100111101011
3
Ternary
120110001221210120
4
Quaternary
31031201213223
5
Quinary
423220240022
6
Senary
33554414323
8
Octal
1515414753
10
Decimal
221649387
12
Duodecimal
622913a3
16
Hexadecimal
d3619eb
20
Vigesimal
3956397
36
Base36
3nyprf
md5
d3149f5b5efe1e9d3c5f9659cdc8075a
sha1
ec2888ebad7e45cabfa139af59bc47b1bc10eeb8
sha256
6df344703c516556d2046c63299e3bda2e499cf401876e4a3ac20338ba5b7bad
sha512
e55e34cc7fff9f94cc4d69b50f3dba5a7a0a5b912478b4c238e9a0145790b04c753b5de3c1de8eb8025d154eb28c25b06eac0aadc043de775452cf2fa70ebfa1
ripemd-160
e59d4055358dbe293eeba026266994ad281bb06f
Diameter
443298774
Circumference
1392664171.7438
Area
1.5434157998193E+17
Volume
4.5612955455476E+25
Surface area
6.1736631992774E+17
Circumference
1392664171.7438
Perimeter
886597548
Area
49128450757475769
Diagonal
313459569.18708
Surface area
294770704544854614
Volume
1.0889290994654E+25
Space diagonal
383907999.7505
Perimeter
664948161
Area
2.1273243202273E+16
Altitude
191953999.87525
Surface area
2.1273243202273E+16
Volume
1.2833152507723E+24
Height
104486523.06236