221821839 is an odd 9-digits composite number following 221821838
and preceding 221821840 . In scientific notation, it is written as 2.21821839 × 10^8.
The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors.
There are 147881220 positive integers (up to 221821839) that are relatively prime to 221821839.
221821839 has 6 divisors, whose sum is 320409336
The reverse of 221821839 is 938128122
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
two hundred twenty-one million eight hundred twenty-one thousand eight hundred thirty-nine
Scientific notation
2.21821839 × 10^8
Engineering notation
2.21821839 × 10^6
Prime Factorization
3 × 3 × 24646871
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
73940613
Product of the distinct prime numbers
The prime factorization of 221821839 is 3 × 3 × 24646871.
Since it has a total of 3 prime factors.
3 , 10 , 80 , 14 , 457 , 170 , 6007 , 5922 , 72389 , 63594 , 454173 , 4929 , 4520362 , 849714 , 71389910 , 51087070 , 183509024 , 853431514 , 7475044013 , 9682181704
n×2
443643678
n×3
665465517
n×4
887287356
n×5
1109109195
n÷2
110910919.5
n÷3
73940613
n÷3
55455459.75
n÷5
44364367.8
n2
49204928257341921
n3
1.0914727673907E+25
n4
2.4211249648102E+33
n5
5.37058392143E+41
2 √n
14893.684534057
3 √n
605.34287328688
4 √n
122.03968425908
5 √n
46.687525922281
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-221821838
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 221821839 can be divided by 6 positive divisors.
The sum of these divisors (counting 221821839) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1101001110001011101110001111
3
Ternary
120110101201100200
4
Quaternary
31032023232033
5
Quinary
423241244324
6
Senary
34002224543
8
Octal
1516135617
10
Decimal
221821839
12
Duodecimal
62355153
16
Hexadecimal
d38bb8f
20
Vigesimal
3967ebj
36
Base36
3o2etr
md5
489106f33b0ceb3570a454ff2da31190
sha1
c6757bd9cde3ad70c2f004b89058a38f9546570b
sha256
f6a9783022b41708d8a0fa5eaedabe5f444b2a8272b3187e60076485e56cdb06
sha512
dab86e47c71e847613462932d15173b9dfed76fa0272e0e4730557edc1cd74f3f1ffd233053af8e7a720f66ed2aa06c6af83687e635ca72e6fe30afadc4775b2
ripemd-160
78a9fb8208fdfd5c09cde1f899aa9aaa96d971fc
Diameter
443643678
Circumference
1393747719.6164
Area
1.5458184113368E+17
Volume
4.5719504368371E+25
Surface area
6.1832736453471E+17
Circumference
1393747719.6164
Perimeter
887287356
Area
49204928257341921
Diagonal
313703453.14434
Surface area
295229569544051526
Volume
1.0914727673907E+25
Space diagonal
384206695.37636
Perimeter
665465517
Area
2.1306358931124E+16
Altitude
192103347.68818
Surface area
2.1306358931124E+16
Volume
1.2863129921706E+24
Height
104567817.71478