221626821 is an odd 9-digits composite number following 221626820
and preceding 221626822 . In scientific notation, it is written as 2.21626821 × 10^8.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 132701184 positive integers (up to 221626821) that are relatively prime to 221626821.
221626821 has 16 divisors, whose sum is 233539200
The reverse of 221626821 is 128626122
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
two hundred twenty-one million six hundred twenty-six thousand eight hundred twenty-one
Scientific notation
2.21626821 × 10^8
Engineering notation
2.21626821 × 10^6
Prime Factorization
39 × 89 × 67 × 953
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221626821
Product of the distinct prime numbers
The prime factorization of 221626821 is 39 × 89 × 67 × 953.
Since it has a total of 4 prime factors.
5 , 9 , 87 , 40 , 15 , 826 , 3413 , 2916 , 83263 , 82785 , 856316 , 438261 , 9900107 , 6460298 , 58980702 , 37681968 , 723760365 , 459505937 , 2960031189 , 9760878114
n×2
443253642
n×3
664880463
n×4
886507284
n×5
1108134105
n÷2
110813410.5
n÷3
73875607
n÷3
55406705.25
n÷5
44325364.2
n2
49118447786566041
n3
1.0885965435391E+25
n4
2.4126219129616E+33
n5
5.3470172484462E+41
2 √n
14887.13609127
3 √n
605.1654225155
4 √n
122.01285215612
5 √n
46.67931382599
1 , 39 , 67 , 89 , 953 , 2613 , 3471 , 5963 , 37167 , 63851 , 84817 , 232557 , 2490189 , 3307863 , 5682739 , 221626821
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221626820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221626821 can be divided by 16 positive divisors.
The sum of these divisors (counting 221626821) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001101011100000111000101
3
Ternary
120110000210211210
4
Quaternary
31031130013011
5
Quinary
423214024241
6
Senary
33554122033
8
Octal
1515340705
10
Decimal
221626821
12
Duodecimal
62280319
16
Hexadecimal
d35c1c5
20
Vigesimal
3953711
36
Base36
3ny8cl
md5
c0569973a63951447c5684d113489933
sha1
c3c233ae9d767725436236b410b12cb1bc012de9
sha256
99a92e6ec9a643dc790d755316bf1f4a80149c42293e9d8c705d3ce44b8755aa
sha512
f92ee2fe84568bdf3a7d701f5802ae82fe1c6a809ab85f2bf4a2e3384a22bd1d4d9857b4161a3b2c5a8c6476f01d42baeb265ee24ff21b1f0b6c8cd653f73ce9
ripemd-160
eff00d8551fc29d61133cad8a516f6b0e2a88e9a
Diameter
443253642
Circumference
1392522385.3841
Area
1.5431015472201E+17
Volume
4.559902538541E+25
Surface area
6.1724061888804E+17
Circumference
1392522385.3841
Perimeter
886507284
Area
49118447786566041
Diagonal
313427656.04383
Surface area
294710686719396246
Volume
1.0885965435391E+25
Space diagonal
383868914.29197
Perimeter
664880463
Area
2.1268911788813E+16
Altitude
191934457.14599
Surface area
2.1268911788813E+16
Volume
1.2829233298546E+24
Height
104475885.34794