221444987 is an odd 9-digits prime number following 221444986
and preceding 221444988 . In scientific notation, it is written as 2.21444987 × 10^8.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 221444986 positive integers (up to 221444987) that are relatively prime to 221444987.
221444987 has 2 divisors, whose sum is 221444988
The reverse of 221444987 is 789444122
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
two hundred twenty-one million four hundred forty-four thousand nine hundred eighty-seven
Scientific notation
2.21444987 × 10^8
Engineering notation
2.21444987 × 10^6
Prime Factorization
221444987
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
221444987
Product of the distinct prime numbers
The prime factorization of 221444987 is 221444987.
Since it has a total of 1 prime factors.
9 , 10 , 19 , 18 , 538 , 866 , 7758 , 4793 , 39695 , 43241 , 513656 , 558188 , 6197548 , 6181185 , 25873636 , 37391607 , 569290827 , 493573847 , 4707127750 , 800022744
n×2
442889974
n×3
664334961
n×4
885779948
n×5
1107224935
n÷2
110722493.5
n÷3
73814995.666667
n÷3
55361246.75
n÷5
44288997.4
n2
49037882267430169
n3
1.0859193201219E+25
n4
2.4047138972743E+33
n5
5.3251183772064E+41
2 √n
14881.027753485
3 √n
604.9998743255
4 √n
121.98781805363
5 √n
46.671651690836
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
221444988
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
110722494
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
14881.027787085
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999909684
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221444987 can be divided by 2 positive divisors.
The sum of these divisors (counting 221444987) is 221444988, the average is 110722494.
Base
System
Value
2
Binary
1101001100101111101101111011
3
Ternary
120102200120102012
4
Quaternary
31030233231323
5
Quinary
423142214422
6
Senary
33550200135
8
Octal
1514575573
10
Decimal
221444987
12
Duodecimal
621b304b
16
Hexadecimal
d32fb7b
20
Vigesimal
3940c97
36
Base36
3nuc1n
md5
5900e51cc1146b9e9fc920e6f97cad50
sha1
15a0c8c2a2ba1fcb1753d4f2e66cd7e95381779a
sha256
015915d167153ff46d56688111718f3d6c8ebc026129e9b5d1d48b0b5e03d413
sha512
82c2119c43b77799e7980d36abf934f498e48e0f5313834fb08e9fe06f2298620be3676b6947c4d6e0f4bbf230bc4a5b4262abca0e69974294b501b27701b34d
ripemd-160
418b86f72b99b68847c13eeccb57cc89b0b8d144
Diameter
442889974
Circumference
1391379888.667
Area
1.5405705067896E+17
Volume
4.5486882113147E+25
Surface area
6.1622820271584E+17
Circumference
1391379888.667
Perimeter
885779948
Area
49037882267430169
Diagonal
313170503.93493
Surface area
294227293604581014
Volume
1.0859193201219E+25
Space diagonal
383553968.56543
Perimeter
664334961
Area
2.1234025895692E+16
Altitude
191776984.28271
Surface area
2.1234025895692E+16
Volume
1.2797681917994E+24
Height
104390167.97831