221511213 is an odd 9-digits composite number following 221511212
and preceding 221511214 . In scientific notation, it is written as 2.21511213 × 10^8.
The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors.
There are 111132000 positive integers (up to 221511213) that are relatively prime to 221511213.
221511213 has 24 divisors, whose sum is 267427584
The reverse of 221511213 is 312115122
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 18
Digital Root 9
Name
two hundred twenty-one million five hundred eleven thousand two hundred thirteen
Scientific notation
2.21511213 × 10^8
Engineering notation
2.21511213 × 10^6
Prime Factorization
297 × 7 × 7 × 31 × 491
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
31644459
Product of the distinct prime numbers
The prime factorization of 221511213 is 297 × 7 × 7 × 31 × 491.
Since it has a total of 5 prime factors.
8 , 8 , 2 , 21 , 262 , 253 , 715 , 155 , 54227 , 65883 , 50042 , 612136 , 4035879 , 3207165 , 48748717 , 46982153 , 99812550 , 999422426 , 2986517849 , 8953024254
n×2
443022426
n×3
664533639
n×4
886044852
n×5
1107556065
n÷2
110755606.5
n÷3
73837071
n÷3
55377803.25
n÷5
44302242.6
n2
49067217484731369
n3
1.0868938863578E+25
n4
2.4075918316939E+33
n5
5.3330858704741E+41
2 √n
14883.252769472
3 √n
605.06017933808
4 √n
121.99693754137
5 √n
46.674442909699
1 , 7 , 31 , 49 , 217 , 297 , 491 , 1519 , 2079 , 3437 , 9207 , 14553 , 15221 , 24059 , 64449 , 106547 , 145827 , 451143 , 745829 , 1020789 , 4520637 , 7145523 , 31644459 , 221511213
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
-221511212
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 221511213 can be divided by 24 positive divisors.
The sum of these divisors (counting 221511213) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101001100111111111000101101
3
Ternary
120102210221021000
4
Quaternary
31030333320231
5
Quinary
423201324323
6
Senary
33551430513
8
Octal
1514777055
10
Decimal
221511213
12
Duodecimal
62225439
16
Hexadecimal
d33fe2d
20
Vigesimal
3948i0d
36
Base36
3nvr59
md5
f4c99bce436f9f33058219819ae6fe59
sha1
cd04c59a4b6392f4a81433ddfbed1a075d2b7185
sha256
b685e0ca6c32e09d20a8593855a966557dddd38194a44a396a3db5be04ea616c
sha512
09ac79bf59195fb528387f78faf5c322d0882cb62f55f42e0c7b2c696a89fc71e50dc1e1eab67bc13063798df5f1dfb1c4ee48b98cda464d9326b6eb5f674a3a
ripemd-160
d31e3055d9f1eb5fd0a8579431e4e931ad656c74
Diameter
443022426
Circumference
1391795998.8971
Area
1.5414920998212E+17
Volume
4.5527704648176E+25
Surface area
6.165968399285E+17
Circumference
1391795998.8971
Perimeter
886044852
Area
49067217484731369
Diagonal
313264161.64232
Surface area
294403304908388214
Volume
1.0868938863578E+25
Space diagonal
383668675.36221
Perimeter
664533639
Area
2.1246728417397E+16
Altitude
191834337.68111
Surface area
2.1246728417397E+16
Volume
1.280916729123E+24
Height
104421387.21411