164421821 is an odd 9-digits composite number following 164421820
and preceding 164421822 . In scientific notation, it is written as 1.64421821 × 10^8.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 159789888 positive integers (up to 164421821) that are relatively prime to 164421821.
164421821 has 8 divisors, whose sum is 169064280
The reverse of 164421821 is 128124461
Previous prime number is 1069
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
one hundred sixty-four million four hundred twenty-one thousand eight hundred twenty-one
Scientific notation
1.64421821 × 10^8
Engineering notation
1.64421821 × 10^6
Prime Factorization
37 × 1069 × 4157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
164421821
Product of the distinct prime numbers
The prime factorization of 164421821 is 37 × 1069 × 4157.
Since it has a total of 3 prime factors.
9 , 4 , 62 , 39 , 939 , 413 , 6564 , 5560 , 90051 , 65155 , 147447 , 610989 , 6656133 , 3779481 , 58345919 , 25907802 , 930028526 , 238900382 , 329158910 , 8625802846
n×2
328843642
n×3
493265463
n×4
657687284
n×5
822109105
n÷2
82210910.5
n÷3
54807273.666667
n÷3
41105455.25
n÷5
32884364.2
n2
27034535220956041
n3
4.4450675109182E+24
n4
7.3086609461311E+32
n5
1.2017033418345E+41
2 √n
12822.707241453
3 √n
547.83925902534
4 √n
113.23739330033
5 √n
43.973586752434
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-164421820
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 164421821 can be divided by 8 positive divisors.
The sum of these divisors (counting 164421821) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001110011001110000010111101
3
Ternary
102110101111100002
4
Quaternary
21303032002331
5
Quinary
314042444241
6
Senary
24152044045
8
Octal
1163160275
10
Decimal
164421821
12
Duodecimal
47093625
16
Hexadecimal
9cce0bd
20
Vigesimal
2b7ceb1
36
Base36
2pw4ot
md5
dfdc8bd092a79592e07ba9b2fae03df0
sha1
1893edad1f4c5d26baa5822d627c2680bf856f53
sha256
fbd47f630eb67b852bb62066d413b73f6e568efd443e34cfe4d5e018d87c7f41
sha512
cdf994cf44dd06c297ed9fb4a02c991016e56e6818ee7914cd8160aaf703c8ef25b67e8a4f3037bc293aabab477d1fb07f35d2f3c40cca1c73bf07bc847d442f
ripemd-160
cd5cf5594a30487ecbc701a624727373e1175bef
Diameter
328843642
Circumference
1033092769.8869
Area
8.493149724337E+16
Volume
1.8619455249349E+25
Surface area
3.3972598897348E+17
Circumference
1033092769.8869
Perimeter
657687284
Area
27034535220956041
Diagonal
232527569.20828
Surface area
162207211325736246
Volume
4.4450675109182E+24
Space diagonal
284786947.845
Perimeter
493265463
Area
1.1706297140427E+16
Altitude
142393473.9225
Surface area
1.1706297140427E+16
Volume
5.2385622996705E+23
Height
77509189.736094