221356779 is an odd 9-digits composite number following 221356778
and preceding 221356780 . In scientific notation, it is written as 2.21356779 × 10^8.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 116792832 positive integers (up to 221356779) that are relatively prime to 221356779.
221356779 has 16 divisors, whose sum is 262828800
The reverse of 221356779 is 977653122
Previous prime number is 51
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred twenty-one million three hundred fifty-six thousand seven hundred seventy-nine
Scientific notation
2.21356779 × 10^8
Engineering notation
2.21356779 × 10^6
Prime Factorization
53 × 7 × 51 × 11699
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
221356779
Product of the distinct prime numbers
The prime factorization of 221356779 is 53 × 7 × 51 × 11699.
Since it has a total of 4 prime factors.
10 , 2 , 51 , 14 , 779 , 695 , 1716 , 3973 , 38141 , 59551 , 696467 , 331859 , 1663901 , 8066215 , 10073596 , 85192696 , 313330261 , 941418397 , 4349091332 , 5734570996
n×2
442713558
n×3
664070337
n×4
885427116
n×5
1106783895
n÷2
110678389.5
n÷3
73785593
n÷3
55339194.75
n÷5
44271355.8
n2
48998823609254841
n3
1.0846221768934E+25
n4
2.4008847150909E+33
n5
5.3145210728285E+41
2 √n
14878.063684499
3 √n
604.91953395605
4 √n
121.97566841177
5 √n
46.667932962132
1 , 7 , 51 , 53 , 357 , 371 , 2703 , 11699 , 18921 , 81893 , 596649 , 620047 , 4176543 , 4340329 , 31622397 , 221356779
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
-221356778
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 221356779 can be divided by 16 positive divisors.
The sum of these divisors (counting 221356779) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101001100011010001011101011
3
Ternary
120102112002102020
4
Quaternary
31030122023223
5
Quinary
423131404104
6
Senary
33544235523
8
Octal
1514321353
10
Decimal
221356779
12
Duodecimal
6216bba3
16
Hexadecimal
d31a2eb
20
Vigesimal
3939bij
36
Base36
3nsfzf
md5
9252c9957f256d7191a97fc42674a198
sha1
91586f758e61546978ada470cc12096e38a13166
sha256
8c0e665a9dd80b591930b034822d79032c668b23d36284bf2f8ccc1d952eb1e8
sha512
83b692c343839c75ae10d5a3e67300ce9a0f0f20f8dd3453008a95f3796062f63e947d39528f9322e9ab1c4c97cd3ec6f81399a1a9d60280c1d1a214c438e99c
ripemd-160
91213cb6f47b3bea3e59b591ba78faca17c69362
Diameter
442713558
Circumference
1390825661.4574
Area
1.5393434428538E+17
Volume
4.5432547504651E+25
Surface area
6.1573737714151E+17
Circumference
1390825661.4574
Perimeter
885427116
Area
48998823609254841
Diagonal
313045758.98502
Surface area
293992941655529046
Volume
1.0846221768934E+25
Space diagonal
383401187.8278
Perimeter
664070337
Area
2.1217113000584E+16
Altitude
191700593.9139
Surface area
2.1217113000584E+16
Volume
1.2782394938444E+24
Height
104348586.32834