221442986 is an even 9-digits composite number following 221442985
and preceding 221442987 . In scientific notation, it is written as 2.21442986 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 98723520 positive integers (up to 221442986) that are relatively prime to 221442986.
221442986 has 16 divisors, whose sum is 370215360
The reverse of 221442986 is 689244122
Previous prime number is 19
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred twenty-one million four hundred forty-two thousand nine hundred eighty-six
Scientific notation
2.21442986 × 10^8
Engineering notation
2.21442986 × 10^6
Prime Factorization
2 × 17 × 19 × 342791
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221442986
Product of the distinct prime numbers
The prime factorization of 221442986 is 2 × 17 × 19 × 342791.
Since it has a total of 4 prime factors.
1 , 10 , 95 , 24 , 630 , 843 , 8700 , 4731 , 17437 , 96485 , 630100 , 472846 , 9768822 , 4986852 , 28730686 , 94880095 , 880825779 , 871433117 , 9986257189 , 4074839443
n×2
442885972
n×3
664328958
n×4
885771944
n×5
1107214930
n÷2
110721493
n÷3
73814328.666667
n÷3
55360746.5
n÷5
44288597.2
n2
49036996048596196
n3
1.0858898829471E+25
n4
2.40462698147E+33
n5
5.3248777899289E+41
2 √n
14880.960520074
3 √n
604.99805203935
4 √n
121.98754247903
5 √n
46.671567344549
1 , 2 , 17 , 19 , 34 , 38 , 323 , 646 , 342791 , 685582 , 5827447 , 6513029 , 11654894 , 13026058 , 110721493 , 221442986
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
-221442985
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 221442986 can be divided by 16 positive divisors.
The sum of these divisors (counting 221442986) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100101111001110101010
3
Ternary
120102200110200002
4
Quaternary
31030233032222
5
Quinary
423142133421
6
Senary
33550143002
8
Octal
1514571652
10
Decimal
221442986
12
Duodecimal
621b1a62
16
Hexadecimal
d32f3aa
20
Vigesimal
3940796
36
Base36
3nuai2
md5
1a9e99dad359f7bc7cf8ab5dc76b72a1
sha1
3d29498f0739943d10fd063c220b9c253a9aa8e4
sha256
b03e41f6f952f630ba4b4af89612af0a71ad17048752007ef755e87d3f96cc02
sha512
d0fc2d362d1b5d4ef2fe39e573bdfb854bf3fb8604f57240334f1aa24a0f6ca523b33368a15e5b441b7908f8317c4874f453687af65c40030b664b8c49b84c73
ripemd-160
543b1b254f320305d33d87684025737dea745cd7
Diameter
442885972
Circumference
1391367316.0132
Area
1.5405426654038E+17
Volume
4.5485649051656E+25
Surface area
6.1621706616153E+17
Circumference
1391367316.0132
Perimeter
885771944
Area
49036996048596196
Diagonal
313167674.0936
Surface area
294221976291577176
Volume
1.0858898829471E+25
Space diagonal
383550502.73176
Perimeter
664328958
Area
2.1233642151681E+16
Altitude
191775251.36588
Surface area
2.1233642151681E+16
Volume
1.2797334997563E+24
Height
104389224.69787