421661 is an odd 6-digits prime number following 421660
and preceding 421662 . In scientific notation, it is written as 4.21661 × 10^5.
The sum of its digits is 20. It has a total of 1 prime factors and 2 positive divisors.
There are 421660 positive integers (up to 421661) that are relatively prime to 421661.
421661 has 2 divisors, whose sum is 421662
The reverse of 421661 is 166124
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 6
Sum of Digits 20
Digital Root 2
Name
four hundred twenty-one thousand six hundred sixty-one
Scientific notation
4.21661 × 10^5
Engineering notation
4.21661 × 10^3
Prime Factorization
421661
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
421661
Product of the distinct prime numbers
The prime factorization of 421661 is 421661.
Since it has a total of 1 prime factors.
4 , 8 , 87 , 84 , 128 , 755 , 1982 , 1567 , 81188 , 4185 , 455669 , 43091 , 4370709 , 1731286 , 11145331 , 81252236 , 212860665 , 142705941 , 124025119 , 8386583359
n×2
843322
n×3
1264983
n×4
1686644
n×5
2108305
n÷2
210830.5
n÷3
140553.66666667
n÷3
105415.25
n÷5
84332.2
n2
177797998921
n3
74970482023027781
n4
3.1612128420312E+22
n5
1.3329601681837E+28
2 √n
649.35429466509
3 √n
74.987316373648
4 √n
25.482431098015
5 √n
13.334989770673
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
421662
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
210831
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
649.35506466031
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999952568645
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 421661 can be divided by 2 positive divisors.
The sum of these divisors (counting 421661) is 421662, the average is 210831.
Base
System
Value
2
Binary
1100110111100011101
3
Ternary
210102102002
4
Quaternary
1212330131
5
Quinary
101443121
6
Senary
13012045
8
Octal
1467435
10
Decimal
421661
12
Duodecimal
184025
16
Hexadecimal
66f1d
20
Vigesimal
2ce31
36
Base36
91ct
md5
a34b4983ea71864d1c630b7b138444a2
sha1
94f19ace39c6baab14c12c2c8283a30154cb07fe
sha256
785dca2ad10264ea0e0659500ef9b432f0f79d1191546bfba5ec344223a93856
sha512
e14784e2f7a3a3f60fa6bf5abf0f9d50cc3e771c167cfb82d95bde7333cedf381e8680ad3d62c578c5e9c012892ce38aeb39fb8164bf330b45f1fbd98aa3cca1
ripemd-160
6f856417ebfcdfe57751c67bab3582b3c7c3462c
Diameter
843322
Circumference
2649374.1998107
Area
558568887233.18
Volume
3.1403562074617E+17
Surface area
2234275548932.7
Circumference
2649374.1998107
Perimeter
1686644
Area
177797998921
Diagonal
596318.7049238
Surface area
1066787993526
Volume
74970482023027781
Space diagonal
730338.2755703
Perimeter
1264983
Area
76988791903.812
Altitude
365169.13778515
Surface area
76988791903.812
Volume
8.8353560378845E+15
Height
198772.90164127