221489387 is an odd 9-digits composite number following 221489386
and preceding 221489388 . In scientific notation, it is written as 2.21489387 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 189565992 positive integers (up to 221489387) that are relatively prime to 221489387.
221489387 has 8 divisors, whose sum is 253506816
The reverse of 221489387 is 783984122
Previous prime number is 683
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
two hundred twenty-one million four hundred eighty-nine thousand three hundred eighty-seven
Scientific notation
2.21489387 × 10^8
Engineering notation
2.21489387 × 10^6
Prime Factorization
7 × 683 × 46327
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221489387
Product of the distinct prime numbers
The prime factorization of 221489387 is 7 × 683 × 46327.
Since it has a total of 3 prime factors.
4 , 8 , 30 , 74 , 730 , 151 , 6088 , 9363 , 168 , 72137 , 628792 , 994495 , 9122130 , 4671439 , 54137911 , 18626245 , 839386445 , 225847693 , 7336813333 , 6286974503
n×2
442978774
n×3
664468161
n×4
885957548
n×5
1107446935
n÷2
110744693.5
n÷3
73829795.666667
n÷3
55372346.75
n÷5
44297877.4
n2
49057548553635769
n3
1.0865726356868E+25
n4
2.4066430700923E+33
n5
5.3304589832255E+41
2 √n
14882.519511158
3 √n
605.04030603677
4 √n
121.99393227189
5 √n
46.673523085795
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221489386
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221489387 can be divided by 8 positive divisors.
The sum of these divisors (counting 221489387) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001100111010100011101011
3
Ternary
120102202211022122
4
Quaternary
31030322203223
5
Quinary
423200130022
6
Senary
33551141455
8
Octal
1514724353
10
Decimal
221489387
12
Duodecimal
6221488b
16
Hexadecimal
d33a8eb
20
Vigesimal
3946397
36
Base36
3nvaaz
md5
d54ddd53960628a627423a72ccd5a880
sha1
220845599f9b3d64616cb41580b049045242df8d
sha256
081a7120c59a69ed512b6d044344d0ed31de2790c02f4e71fe30a0f466390a33
sha512
bad3b43df52af99f2cb79f16da53444415a63c55f8d49b35fc98e55c573473ec6a7154c30b9ef34bc4fdf35f2852f013963c56723c1fe894625e7937a80d2198
ripemd-160
380ac190fe46994e7d5fe68d4341253369630671
Diameter
442978774
Circumference
1391658862.0946
Area
1.5411883413923E+17
Volume
4.5514248131536E+25
Surface area
6.1647533655691E+17
Circumference
1391658862.0946
Perimeter
885957548
Area
49057548553635769
Diagonal
313233295.0171
Surface area
294345291321814614
Volume
1.0865726356868E+25
Space diagonal
383630871.62129
Perimeter
664468161
Area
2.1242541647419E+16
Altitude
191815435.81064
Surface area
2.1242541647419E+16
Volume
1.2805381315764E+24
Height
104411098.33903