221540644 is an even 9-digits composite number following 221540643
and preceding 221540645 . In scientific notation, it is written as 2.21540644 × 10^8.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 99870624 positive integers (up to 221540644) that are relatively prime to 221540644.
221540644 has 24 divisors, whose sum is 427232960
The reverse of 221540644 is 446045122
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
two hundred twenty-one million five hundred forty thousand six hundred forty-four
Scientific notation
2.21540644 × 10^8
Engineering notation
2.21540644 × 10^6
Prime Factorization
2 × 2 × 43 × 13 × 99079
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
110770322
Product of the distinct prime numbers
The prime factorization of 221540644 is 2 × 2 × 43 × 13 × 99079.
Since it has a total of 5 prime factors.
8 , 8 , 18 , 78 , 955 , 788 , 2340 , 7073 , 9133 , 95425 , 177756 , 60067 , 4377105 , 1831313 , 79779155 , 78735415 , 708959636 , 78778234 , 1287627214 , 7296278347
n×2
443081288
n×3
664621932
n×4
886162576
n×5
1107703220
n÷2
110770322
n÷3
73846881.333333
n÷3
55385161
n÷5
44308128.8
n2
49080256943934736
n3
1.0873271731045E+25
n4
2.4088716216827E+33
n5
5.336629703809E+41
2 √n
14884.241465389
3 √n
605.08697517879
4 √n
122.00098960824
5 √n
46.675683120081
1 , 2 , 4 , 13 , 26 , 43 , 52 , 86 , 172 , 559 , 1118 , 2236 , 99079 , 198158 , 396316 , 1288027 , 2576054 , 4260397 , 5152108 , 8520794 , 17041588 , 55385161 , 110770322 , 221540644
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
-221540643
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 221540644 can be divided by 24 positive divisors.
The sum of these divisors (counting 221540644) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1101001101000111000100100100
3
Ternary
120102212102122001
4
Quaternary
31031013010210
5
Quinary
423203300034
6
Senary
33552215044
8
Octal
1515070444
10
Decimal
221540644
12
Duodecimal
6223a484
16
Hexadecimal
d347124
20
Vigesimal
394cbc4
36
Base36
3nwdus
md5
f3a1405de55ec2e45a20873240c60423
sha1
26a24493fd358025c90b8776f0b72b358b3e856a
sha256
160bf690bdbebaecb4a55bd68aa8df8be86df68499aa3e747fa1a6690f544f06
sha512
4cd3ae0d061f67fa33ae9325e3e87bf40118fc93f9cff7cf3019dfcccd9003706e4f69de036910b08340b3985d60f1ddbfbb9ecf0d70f2faa876753b989d2296
ripemd-160
568446de0a31720663d7a914f50e00787d8b6737
Diameter
443081288
Circumference
1391980919.3239
Area
1.5419017465136E+17
Volume
4.5545854120981E+25
Surface area
6.1676069860546E+17
Circumference
1391980919.3239
Perimeter
886162576
Area
49080256943934736
Diagonal
313305783.36167
Surface area
294481541663608416
Volume
1.0873271731045E+25
Space diagonal
383719651.34953
Perimeter
664621932
Area
2.1252374668858E+16
Altitude
191859825.67476
Surface area
2.1252374668858E+16
Volume
1.281427362451E+24
Height
104435261.12056