221639215 is an odd 9-digits composite number following 221639214
and preceding 221639216 . In scientific notation, it is written as 2.21639215 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 151981152 positive integers (up to 221639215) that are relatively prime to 221639215.
221639215 has 4 divisors, whose sum is 227971800
The reverse of 221639215 is 512936122
Previous prime number is 35
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred twenty-one million six hundred thirty-nine thousand two hundred fifteen
Scientific notation
2.21639215 × 10^8
Engineering notation
2.21639215 × 10^6
Prime Factorization
35 × 6332549
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
221639215
Product of the distinct prime numbers
The prime factorization of 221639215 is 35 × 6332549.
Since it has a total of 2 prime factors.
9 , 6 , 77 , 8 , 373 , 627 , 8664 , 9410 , 16065 , 49729 , 964089 , 898299 , 4432054 , 7736883 , 54033194 , 12523194 , 625527259 , 173843401 , 7310623210 , 273805924
n×2
443278430
n×3
664917645
n×4
886556860
n×5
1108196075
n÷2
110819607.5
n÷3
73879738.333333
n÷3
55409803.75
n÷5
44327843
n2
49123941625816225
n3
1.0887791859652E+25
n4
2.4131616408566E+33
n5
5.3485125174757E+41
2 √n
14887.552350874
3 √n
605.17670316045
4 √n
122.01455794647
5 √n
46.679835902219
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
-221639214
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 221639215 can be divided by 4 positive divisors.
The sum of these divisors (counting 221639215) is 1, the average is 0.25.
Base
System
Value
2
Binary
1101001101011111001000101111
3
Ternary
120110001102211211
4
Quaternary
31031133020233
5
Quinary
423214423330
6
Senary
33554255251
8
Octal
1515371057
10
Decimal
221639215
12
Duodecimal
62287527
16
Hexadecimal
d35f22f
20
Vigesimal
3954i0f
36
Base36
3nyhwv
md5
d33edbcfbe158610b72a07e8080b5467
sha1
8a99caa9b8a972daee682f50a542c544fc9b7fae
sha256
8741d8fa83b8dffb345830f701c567e778dfb3067c0ae575b7dac77ff7633b26
sha512
a524050bc989628ff45b2b2c73f908388665ff1a2772b4139bab49c7a7e3b5b4d62bd08a20b1f1d2bc50d44a51677fd2c7773bc331c916604f3e8a327feb42bf
ripemd-160
2c9c7009d73f5c98bfdfe6eab221eccddad95d2e
Diameter
443278430
Circumference
1392600259.1828
Area
1.5432741412704E+17
Volume
4.5606675893462E+25
Surface area
6.1730965650815E+17
Circumference
1392600259.1828
Perimeter
886556860
Area
49123941625816225
Diagonal
313445183.80673
Surface area
294743649754897350
Volume
1.0887791859652E+25
Space diagonal
383890381.32968
Perimeter
664917645
Area
2.127129069099E+16
Altitude
191945190.66484
Surface area
2.127129069099E+16
Volume
1.2831385760179E+24
Height
104481727.93558