2149405 is an odd 7-digits composite number following 2149404
and preceding 2149406 . In scientific notation, it is written as 2.149405 × 10^6.
The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors.
There are 1719520 positive integers (up to 2149405) that are relatively prime to 2149405.
2149405 has 4 divisors, whose sum is 2579292
The reverse of 2149405 is 5049412
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 25
Digital Root 7
Name
two million one hundred forty-nine thousand four hundred five
Scientific notation
2.149405 × 10^6
Engineering notation
2.149405 × 10^6
Prime Factorization
5 × 429881
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2149405
Product of the distinct prime numbers
The prime factorization of 2149405 is 5 × 429881.
Since it has a total of 2 prime factors.
6 , 1 , 77 , 97 , 434 , 689 , 7900 , 7523 , 69593 , 68579 , 903707 , 252758 , 786047 , 2670902 , 1011179 , 51310545 , 856047878 , 601232120 , 1635123483 , 4867207669
n×2
4298810
n×3
6448215
n×4
8597620
n×5
10747025
n÷2
1074702.5
n÷3
716468.33333333
n÷3
537351.25
n÷5
429881
n2
4619941854025
n3
9.9301261207506E+18
n4
2.1343862734572E+25
n5
4.5876605281003E+31
2 √n
1466.0849225062
3 √n
129.05438085397
4 √n
38.289488407475
5 √n
18.469862016913
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2149404
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2149405 can be divided by 4 positive divisors.
The sum of these divisors (counting 2149405) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000001100110000011101
3
Ternary
11001012102121
4
Quaternary
20030300131
5
Quinary
1022240110
6
Senary
114022541
8
Octal
10146035
10
Decimal
2149405
12
Duodecimal
877a51
16
Hexadecimal
20cc1d
20
Vigesimal
d8da5
36
Base36
1a2hp
md5
94240dbf346a3c9ac281f6d301fc1b96
sha1
466940a2c0fbbbd3746c46ef525f4bd83128a2cb
sha256
6d9f91e1b80fc62c5ab6a76d3442c032db30f03778801d880e21542d77dbdfe0
sha512
99af1b8c5da3afa459d2a7107de732a805d0a6929ed8d17f8c5f67e5aff59ce3f73e8e20e87fb772aead6cb569ec87ea66b17f5286ac0a4b9c018be0d0f3c31b
ripemd-160
c341d4ce191e4767528cee5b053c2761adf8bed3
Diameter
4298810
Circumference
13505109.915178
Area
14513975388617
Volume
4.1595215026894E+19
Surface area
58055901554468
Circumference
13505109.915178
Perimeter
8597620
Area
4619941854025
Diagonal
3039717.7020325
Surface area
27719651124150
Volume
9.9301261207506E+18
Space diagonal
3722878.6660426
Perimeter
6448215
Area
2000493504796.3
Altitude
1861439.3330213
Surface area
2000493504796.3
Volume
1.1702765863367E+18
Height
1013239.2340108