221516638 is an even 9-digits composite number following 221516637
and preceding 221516639 . In scientific notation, it is written as 2.21516638 × 10^8.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 91260000 positive integers (up to 221516638) that are relatively prime to 221516638.
221516638 has 32 divisors, whose sum is 394610688
The reverse of 221516638 is 836615122
Previous prime number is 157
Is Prime? no Number parity even Number length 9 Sum of Digits 34 Digital Root 7
Name
two hundred twenty-one million five hundred sixteen thousand six hundred thirty-eight
Scientific notation
2.21516638 × 10^8
Engineering notation
2.21516638 × 10^6
Prime Factorization
2 × 7 × 31 × 157 × 3251
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
221516638 Product of the distinct prime numbers
The prime factorization of 221516638 is 2 × 7 × 31 × 157 × 3251.
Since it has a total of 5 prime factors.
7 , 2 , 5 , 89 , 288 , 478 , 8825 , 7693 , 32335 , 21599 , 471571 , 186217 , 6266992 , 3461447 , 12626733 , 32103536 , 254705959 , 106035211 , 167844401 , 2212920909
n×2
443033276
n×3
664549914
n×4
886066552
n×5
1107583190
n÷2
110758319
n÷3
73838879.333333
n÷3
55379159.5
n÷5
44303327.6
n2
49069620910823044
n3
1.08697374521E+25
n4
2.4078276963319E+33
n5
5.3337389617472E+41
2 √n14883.435020183
3 √n605.06511877904
4 √n121.99768448697
5 √n46.674671526905
1 , 2 , 7 , 14 , 31 , 62 , 157 , 217 , 314 , 434 , 1099 , 2198 , 3251 , 4867 , 6502 , 9734 , 22757 , 34069 , 45514 , 68138 , 100781 , 201562 , 510407 , 705467 , 1020814 , 1410934 , 3572849 , 7145698 , 15822617 , 31645234 , 110758319 , 221516638
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-221516637 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 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
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221516638 can be divided by 32 positive divisors.
The sum of these divisors (counting 221516638) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1101001101000001001101011110
3
Ternary
120102211012200221
4
Quaternary
31031001031132
5
Quinary
423202013023
6
Senary
33551511554
8
Octal
1515011536
10
Decimal
221516638
12
Duodecimal
622285ba
16
Hexadecimal
d34135e
20
Vigesimal
3949bbi
36
Base36
3nvvby
md5
75537f0bf85a98059339bc94a78e2e5f
sha1
4182984b68992acf6e531048608c8683838b655e
sha256
ae0645fec2424a6fa9aef51049c7851bee03a7460fefaa8020b95ba66578cb10
sha512
c92aee63c914419d13306266af1eab7ae5a3df1d09e4a0a3a6a7b5f83cc316ae55f99a00faefb9b5c188c9cc934dec6f5192d5f402a86d4235c01c5a4498fea1
ripemd-160
24fcd3650942052c0f2968418ef545eeba1f65b9
Diameter
443033276
Circumference
1391830085.1774
Area
1.5415676056788E+17
Volume
4.5531049767956E+25
Surface area
6.1662704227151E+17
Circumference
1391830085.1774
Perimeter
886066552
Area
49069620910823044
Diagonal
313271833.75089
Surface area
294417725464938264
Volume
1.08697374521E+25
Space diagonal
383678071.73784
Perimeter
664549914
Area
2.1247769131422E+16
Altitude
191839035.86892
Surface area
2.1247769131422E+16
Volume
1.2810108436829E+24
Height
104423944.58363