221746988 is an even 9-digits composite number following 221746987
and preceding 221746989 . In scientific notation, it is written as 2.21746988 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 110749440 positive integers (up to 221746988) that are relatively prime to 221746988.
221746988 has 12 divisors, whose sum is 388491432
The reverse of 221746988 is 889647122
Previous prime number is 907
Is Prime? no
Number parity even
Number length 9
Sum of Digits 47
Digital Root 2
Name
two hundred twenty-one million seven hundred forty-six thousand nine hundred eighty-eight
Scientific notation
2.21746988 × 10^8
Engineering notation
2.21746988 × 10^6
Prime Factorization
2 × 2 × 907 × 61121
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
110873494
Product of the distinct prime numbers
The prime factorization of 221746988 is 2 × 2 × 907 × 61121.
Since it has a total of 4 prime factors.
2 , 2 , 54 , 47 , 927 , 343 , 9707 , 7093 , 74453 , 15587 , 428989 , 636559 , 7251093 , 728139 , 31538395 , 7030726 , 899726840 , 917330148 , 1803362328 , 46875591
n×2
443493976
n×3
665240964
n×4
886987952
n×5
1108734940
n÷2
110873494
n÷3
73915662.666667
n÷3
55436747
n÷5
44349397.6
n2
49171726687072144
n3
1.0903682287617E+25
n4
2.4178587053881E+33
n5
5.361528853294E+41
2 √n
14891.17147843
3 √n
605.27477717117
4 √n
122.02938776553
5 √n
46.684374672793
1 , 2 , 4 , 907 , 1814 , 3628 , 61121 , 122242 , 244484 , 55436747 , 110873494 , 221746988
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221746987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221746988 can be divided by 12 positive divisors.
The sum of these divisors (counting 221746988) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101001101111001011100101100
3
Ternary
120110020220200102
4
Quaternary
31031321130230
5
Quinary
423231400423
6
Senary
34000450232
8
Octal
1515713454
10
Decimal
221746988
12
Duodecimal
62319978
16
Hexadecimal
d37972c
20
Vigesimal
395i798
36
Base36
3o0t2k
md5
2961fa62b306f15114036608aac78fd3
sha1
9daaefaffcd0cf0afa9aa1d779081d6699adbf6c
sha256
12068863ec9e5df343875143c5ce2d5b6dab04839bdeb1013605b8d47add2499
sha512
6e50d5ca735d03c4f3ec5a4f32873da55859c6290fd60c2893d57bf5c4452d93f82848a27b068a13a56fe77e3ac60df9aeee75f79880c0b40643e5e8f8e0b9e9
ripemd-160
819657b6084c9147af6bf66b5272adc6c9df7299
Diameter
443493976
Circumference
1393277416.9129
Area
1.5447753532443E+17
Volume
4.5673237562475E+25
Surface area
6.1791014129772E+17
Circumference
1393277416.9129
Perimeter
886987952
Area
49171726687072144
Diagonal
313597597.84498
Surface area
295030360122432864
Volume
1.0903682287617E+25
Space diagonal
384077049.64137
Perimeter
665240964
Area
2.1291982229475E+16
Altitude
192038524.82068
Surface area
2.1291982229475E+16
Volume
1.285011280913E+24
Height
104532532.61499