1421605 is an odd 7-digits composite number following 1421604
and preceding 1421606 . In scientific notation, it is written as 1.421605 × 10^6.
The sum of its digits is 19. It has a total of 4 prime factors and 16 positive divisors.
There are 1085760 positive integers (up to 1421605) that are relatively prime to 1421605.
1421605 has 16 divisors, whose sum is 1785600
The reverse of 1421605 is 5061241
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 19
Digital Root 1
Name
one million four hundred twenty-one thousand six hundred five
Scientific notation
1.421605 × 10^6
Engineering notation
1.421605 × 10^6
Prime Factorization
5 × 79 × 61 × 59
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1421605
Product of the distinct prime numbers
The prime factorization of 1421605 is 5 × 79 × 61 × 59.
Since it has a total of 4 prime factors.
9 , 9 , 9 , 97 , 145 , 2 , 4745 , 1817 , 40717 , 66069 , 240028 , 768 , 8547104 , 1501113 , 70889297 , 29547894 , 800643924 , 948526316 , 9678016037 , 1381125119
n×2
2843210
n×3
4264815
n×4
5686420
n×5
7108025
n÷2
710802.5
n÷3
473868.33333333
n÷3
355401.25
n÷5
284321
n2
2020960776025
n3
2873007944001020125
n4
4.0842824582316E+24
n5
5.8062363640343E+30
2 √n
1192.3107816337
3 √n
112.44141805969
4 √n
34.529853484104
5 √n
17.0041837139
1 , 5 , 59 , 61 , 79 , 295 , 305 , 395 , 3599 , 4661 , 4819 , 17995 , 23305 , 24095 , 284321 , 1421605
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
-1421604
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 1421605 can be divided by 16 positive divisors.
The sum of these divisors (counting 1421605) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101011011000100100101
3
Ternary
2200020002001
4
Quaternary
11123010211
5
Quinary
330442410
6
Senary
50245301
8
Octal
5330445
10
Decimal
1421605
12
Duodecimal
586831
16
Hexadecimal
15b125
20
Vigesimal
8he05
36
Base36
ugx1
md5
9eae4f6820ef90c1b189cb83fee3b790
sha1
1a158b5898471ffb0b624a31edf75e792b905b11
sha256
d4b04adc232ac11627f1d3a923e9c479ee6b9a3ad8678c453838a679798b1080
sha512
ac52bf675ece4ecf12ce949cb93591cd10834abde2c4a555f4eb59e6308822fc2251d4a1bfd7b525960029584bc86fd517a4c179fd6264e6c6cfb60067b4dced
ripemd-160
07ea64a4e01a257d4b82a99ed2444c2e28c479d2
Diameter
2843210
Circumference
8932207.648613
Area
6349035527153.3
Volume
1.2034427534105E+19
Surface area
25396142108613
Circumference
8932207.648613
Perimeter
5686420
Area
2020960776025
Diagonal
2010453.0713374
Surface area
12125764656150
Volume
2873007944001020125
Space diagonal
2462292.088294
Perimeter
4264815
Area
875101686044.78
Altitude
1231146.044147
Surface area
875101686044.78
Volume
3.3858723326766E+17
Height
670151.02377913