221208688 is an even 9-digits composite number following 221208687
and preceding 221208689 . In scientific notation, it is written as 2.21208688 × 10^8.
The sum of its digits is 37. It has a total of 6 prime factors and 20 positive divisors.
There are 109088640 positive integers (up to 221208688) that are relatively prime to 221208688.
221208688 has 20 divisors, whose sum is 434465248
The reverse of 221208688 is 886802122
Previous prime number is 73
Is Prime? no
Number parity even
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred twenty-one million two hundred eight thousand six hundred eighty-eight
Scientific notation
2.21208688 × 10^8
Engineering notation
2.21208688 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 73 × 189391
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
27651086
Product of the distinct prime numbers
The prime factorization of 221208688 is 2 × 2 × 2 × 2 × 73 × 189391.
Since it has a total of 6 prime factors.
10 , 1 , 19 , 76 , 954 , 48 , 101 , 8497 , 93167 , 7998 , 224643 , 119990 , 3382334 , 1059655 , 57922334 , 44838294 , 284555113 , 448936691 , 4742560987 , 5757545684
n×2
442417376
n×3
663626064
n×4
884834752
n×5
1106043440
n÷2
110604344
n÷3
73736229.333333
n÷3
55302172
n÷5
44241737.6
n2
48933283646681344
n3
1.0824467475014E+25
n4
2.3944662484466E+33
n5
5.2967673727915E+41
2 √n
14873.086028125
3 √n
604.78460378581
4 √n
121.95526240439
5 √n
46.661686981244
1 , 2 , 4 , 8 , 16 , 73 , 146 , 292 , 584 , 1168 , 189391 , 378782 , 757564 , 1515128 , 3030256 , 13825543 , 27651086 , 55302172 , 110604344 , 221208688
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221208687
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221208688 can be divided by 20 positive divisors.
The sum of these divisors (counting 221208688) is 1, the average is 0.05.
Base
System
Value
2
Binary
1101001011110110000001110000
3
Ternary
120102020120021101
4
Quaternary
31023312001300
5
Quinary
423112134223
6
Senary
33541134144
8
Octal
1513660160
10
Decimal
221208688
12
Duodecimal
620ba354
16
Hexadecimal
d2f6070
20
Vigesimal
392b1e8
36
Base36
3np9ps
md5
c38bc4a66aeb6b84ed9f7ebe4389124f
sha1
c5f1a64d691ea6aa7b44b1861e561f1b67435133
sha256
ef78d9010de6c3c342ae5559b08dfd28e2bd5ca64fb7d8e97033b2f79845d672
sha512
edc8f5ee4e22d22c0172238599b3d8233444a3dae49c0b492a125b96d8e00b67a24ea437ee3f9fa2043e8188549e402360a92da2203288e89c4d479df6cc76d1
ripemd-160
68c3f0f855a81372ef2c7fa083a9c83f0d691caf
Diameter
442417376
Circumference
1389895178.2621
Area
1.5372844442044E+17
Volume
4.5341423331369E+25
Surface area
6.1491377768176E+17
Circumference
1389895178.2621
Perimeter
884834752
Area
48933283646681344
Diagonal
312836326.68436
Surface area
293599701880088064
Volume
1.0824467475014E+25
Space diagonal
383144686.69165
Perimeter
663626064
Area
2.1188733364308E+16
Altitude
191572343.34583
Surface area
2.1188733364308E+16
Volume
1.2756757257193E+24
Height
104278775.56145