221520261 is an odd 9-digits composite number following 221520260
and preceding 221520262 . In scientific notation, it is written as 2.21520261 × 10^8.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 147680172 positive integers (up to 221520261) that are relatively prime to 221520261.
221520261 has 4 divisors, whose sum is 295360352
The reverse of 221520261 is 162025122
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 21
Digital Root 3
Name
two hundred twenty-one million five hundred twenty thousand two hundred sixty-one
Scientific notation
2.21520261 × 10^8
Engineering notation
2.21520261 × 10^6
Prime Factorization
3 × 73840087
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221520261
Product of the distinct prime numbers
The prime factorization of 221520261 is 3 × 73840087.
Since it has a total of 2 prime factors.
8 , 7 , 85 , 58 , 885 , 851 , 9340 , 5384 , 25595 , 89487 , 830469 , 934938 , 5759374 , 2621513 , 42424567 , 64048369 , 914691072 , 557213749 , 6241293464 , 1302178525
n×2
443040522
n×3
664560783
n×4
886081044
n×5
1107601305
n÷2
110760130.5
n÷3
73840087
n÷3
55380065.25
n÷5
44304052.2
n2
49071226033508121
n3
1.0870270798533E+25
n4
2.4079852244316E+33
n5
5.3341751540024E+41
2 √n
14883.556732179
3 √n
605.06841746125
4 √n
121.99818331508
5 √n
46.674824202776
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221520260
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221520261 can be divided by 4 positive divisors.
The sum of these divisors (counting 221520261) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001101000010000110000101
3
Ternary
120102211101200010
4
Quaternary
31031002012011
5
Quinary
423202122021
6
Senary
33551540433
8
Octal
1515020605
10
Decimal
221520261
12
Duodecimal
6222a719
16
Hexadecimal
d342185
20
Vigesimal
394a0d1
36
Base36
3nvy4l
md5
1bd4cda302d348b369466b20a4fb3ba6
sha1
6d685e8abee4a01c0d9b4e0d82d9ad0116f17186
sha256
de9313c059eab23794be939b6480b5c3ae4f32928dece5835ae855b3fdaec785
sha512
2b2e94f85d71db6dcf684c892ab1ab06025fa1f4875617d484680f9e0c0ebf03802eb07fb544d5de2ed9ecb9f96f96a29724257a51cd093e82e4e57ef9668323
ripemd-160
a72e469e19ab8c3f0b99aafae1e1d7c2306d4d8c
Diameter
443040522
Circumference
1391852849.1578
Area
1.5416180320951E+17
Volume
4.5533283844269E+25
Surface area
6.1664721283805E+17
Circumference
1391852849.1578
Perimeter
886081044
Area
49071226033508121
Diagonal
313276957.44663
Surface area
294427356201048726
Volume
1.0870270798533E+25
Space diagonal
383684346.95792
Perimeter
664560783
Area
2.1248464169933E+16
Altitude
191842173.47896
Surface area
2.1248464169933E+16
Volume
1.2810736991628E+24
Height
104425652.48221