221520908 is an even 9-digits composite number following 221520907
and preceding 221520909 . In scientific notation, it is written as 2.21520908 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 91663488 positive integers (up to 221520908) that are relatively prime to 221520908.
221520908 has 12 divisors, whose sum is 389572680
The reverse of 221520908 is 809025122
Previous prime number is 203
Is Prime? no
Number parity even
Number length 9
Sum of Digits 29
Digital Root 2
Name
two hundred twenty-one million five hundred twenty thousand nine hundred eight
Scientific notation
2.21520908 × 10^8
Engineering notation
2.21520908 × 10^6
Prime Factorization
2 × 2 × 203 × 272809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
110760454
Product of the distinct prime numbers
The prime factorization of 221520908 is 2 × 2 × 203 × 272809.
Since it has a total of 4 prime factors.
3 , 3 , 27 , 35 , 615 , 547 , 3782 , 448 , 22341 , 95019 , 626111 , 270061 , 7872352 , 4816499 , 71874499 , 53543195 , 91035755 , 706030796 , 9973085551 , 9870393715
n×2
443041816
n×3
664562724
n×4
886083632
n×5
1107604540
n÷2
110760454
n÷3
73840302.666667
n÷3
55380227
n÷5
44304181.6
n2
49071512681144464
n3
1.0870366046061E+25
n4
2.4080133568157E+33
n5
5.3342530527795E+41
2 √n
14883.578467559
3 √n
605.06900654037
4 √n
121.9982723958
5 √n
46.674851467619
1 , 2 , 4 , 203 , 406 , 812 , 272809 , 545618 , 1091236 , 55380227 , 110760454 , 221520908
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
-221520907
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 221520908 can be divided by 12 positive divisors.
The sum of these divisors (counting 221520908) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1101001101000010010000001100
3
Ternary
120102211102120002
4
Quaternary
31031002100030
5
Quinary
423202132113
6
Senary
33551543432
8
Octal
1515022014
10
Decimal
221520908
12
Duodecimal
6222ab78
16
Hexadecimal
d34240c
20
Vigesimal
394a258
36
Base36
3nvymk
md5
d37623f3a9d6d396c1581b4ea64b782a
sha1
196695903d7a82e51050b902cab90206fec6ee63
sha256
3fded0643ea24aaf2f1c6f64c5820db82103ed9978d49cffe1afac0682b61363
sha512
87c36396764d609e1535c1afe60e5ab5c6413bfe3e5759281b19c2142a0b8815ead4d88c9859068e04f58b85b1aa8980162f520f9550853651bf7739285f51d1
ripemd-160
c3821ee712f23808d68e078f7fc906b24755001d
Diameter
443041816
Circumference
1391856914.3787
Area
1.5416270373962E+17
Volume
4.5533682816181E+25
Surface area
6.1665081495849E+17
Circumference
1391856914.3787
Perimeter
886083632
Area
49071512681144464
Diagonal
313277872.4428
Surface area
294429076086866784
Volume
1.0870366046061E+25
Space diagonal
383685467.59479
Perimeter
664562724
Area
2.1248588292001E+16
Altitude
191842733.7974
Surface area
2.1248588292001E+16
Volume
1.2810849241916E+24
Height
104425957.48093