221216904 is an even 9-digits composite number following 221216903
and preceding 221216905 . In scientific notation, it is written as 2.21216904 × 10^8.
The sum of its digits is 27. It has a total of 6 prime factors and 24 positive divisors.
There are 73738944 positive integers (up to 221216904) that are relatively prime to 221216904.
221216904 has 24 divisors, whose sum is 599129310
The reverse of 221216904 is 409612122
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 27
Digital Root 9
Name
two hundred twenty-one million two hundred sixteen thousand nine hundred four
Scientific notation
2.21216904 × 10^8
Engineering notation
2.21216904 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 3 × 3072457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
18434742
Product of the distinct prime numbers
The prime factorization of 221216904 is 2 × 2 × 2 × 3 × 3 × 3072457.
Since it has a total of 6 prime factors.
7 , 5 , 25 , 4 , 593 , 21 , 8486 , 413 , 31149 , 92953 , 552185 , 92976 , 6116755 , 3497538 , 37002029 , 37393275 , 886530890 , 731613015 , 1101498202 , 5292790201
n×2
442433808
n×3
663650712
n×4
884867616
n×5
1106084520
n÷2
110608452
n÷3
73738968
n÷3
55304226
n÷5
44243380.8
n2
48936918615345216
n3
1.0825673627387E+25
n4
2.3948220035649E+33
n5
5.2977510925971E+41
2 √n
14873.362229167
3 √n
604.79209120841
4 √n
121.95639478587
5 √n
46.662033592155
1 , 2 , 3 , 4 , 6 , 8 , 9 , 12 , 18 , 24 , 36 , 72 , 3072457 , 6144914 , 9217371 , 12289828 , 18434742 , 24579656 , 27652113 , 36869484 , 55304226 , 73738968 , 110608452 , 221216904
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221216903
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221216904 can be divided by 24 positive divisors.
The sum of these divisors (counting 221216904) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101001011111000000010001000
3
Ternary
120102020222112200
4
Quaternary
31023320002020
5
Quinary
423112420104
6
Senary
33541240200
8
Octal
1513700210
10
Decimal
221216904
12
Duodecimal
62103060
16
Hexadecimal
d2f8088
20
Vigesimal
392c254
36
Base36
3npg20
md5
a56414416d37efb106db51907a75c354
sha1
0f932406304bd3d221ba691352e3c84c57ef6af7
sha256
2eba94862c3729c77f02f8afb013719c47aaa244016fe5b5c9a54a42068a735a
sha512
abc32ede43d85197723ab0368d1625b920395e456f4299a35f61b79ef11844c6dd586c55a7c1300e165584640362c457a6e35834296944a791a88ef764bc7fbd
ripemd-160
629bdb946fdcdb373ad9881a2715d67c681c35a8
Diameter
442433808
Circumference
1389946800.9126
Area
1.5373986401129E+17
Volume
4.5346475650611E+25
Surface area
6.1495945604516E+17
Circumference
1389946800.9126
Perimeter
884867616
Area
48936918615345216
Diagonal
312847945.86299
Surface area
293621511692071296
Volume
1.0825673627387E+25
Space diagonal
383158917.22109
Perimeter
663650712
Area
2.119030735191E+16
Altitude
191579458.61054
Surface area
2.119030735191E+16
Volume
1.2758178721396E+24
Height
104282648.621