221520405 is an odd 9-digits composite number following 221520404
and preceding 221520406 . In scientific notation, it is written as 2.21520405 × 10^8.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 118144208 positive integers (up to 221520405) that are relatively prime to 221520405.
221520405 has 8 divisors, whose sum is 354432672
The reverse of 221520405 is 504025122
Previous prime number is 5
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 four hundred five
Scientific notation
2.21520405 × 10^8
Engineering notation
2.21520405 × 10^6
Prime Factorization
3 × 5 × 14768027
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
221520405
Product of the distinct prime numbers
The prime factorization of 221520405 is 3 × 5 × 14768027.
Since it has a total of 3 prime factors.
1 , 10 , 33 , 92 , 536 , 458 , 3783 , 5841 , 97442 , 31303 , 277567 , 748341 , 3895122 , 8067075 , 48229477 , 6560278 , 765148254 , 811055428 , 3716040371 , 7593515409
n×2
443040810
n×3
664561215
n×4
886081620
n×5
1107602025
n÷2
110760202.5
n÷3
73840135
n÷3
55380101.25
n÷5
44304081
n2
49071289831364025
n3
1.0870291997316E+25
n4
2.4079914857137E+33
n5
5.3341924915186E+41
2 √n
14883.561569732
3 √n
605.06854857015
4 √n
121.99820314141
5 √n
46.674830271
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
-221520404
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 221520405 can be divided by 8 positive divisors.
The sum of these divisors (counting 221520405) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101001101000010001000010101
3
Ternary
120102211101212110
4
Quaternary
31031002020111
5
Quinary
423202123110
6
Senary
33551541233
8
Octal
1515021025
10
Decimal
221520405
12
Duodecimal
6222a819
16
Hexadecimal
d342215
20
Vigesimal
394a105
36
Base36
3nvy8l
md5
153a288a93e75bb4e4aa03743601b6d8
sha1
5bebd018f0e4b08a7f542ac63a467ac8be8e6455
sha256
13e90ae3362ebcefca8ee25f216194ac6b9f8b84e2d322fc5992051277cabe6b
sha512
963ad656325e29c0c9834296514afc88b5ee81054464a0294d50ef0f8c66960ecd1f3b079caaab5876b56b05cd3b148c896972d0452d32f77b6fffa371947df9
ripemd-160
47ab53ac5e64a3e8d73337e19043464ef3b325e8
Diameter
443040810
Circumference
1391853753.9365
Area
1.5416200363639E+17
Volume
4.5533372641526E+25
Surface area
6.1664801454555E+17
Circumference
1391853753.9365
Perimeter
886081620
Area
49071289831364025
Diagonal
313277161.09338
Surface area
294427738988184150
Volume
1.0870291997316E+25
Space diagonal
383684596.37323
Perimeter
664561215
Area
2.1248491795215E+16
Altitude
191842298.18662
Surface area
2.1248491795215E+16
Volume
1.2810761974634E+24
Height
104425720.36446