21000406 is an even 8-digits composite number following 21000405
and preceding 21000407 . In scientific notation, it is written as 2.1000406 × 10^7.
The sum of its digits is 13. It has a total of 4 prime factors and 16 positive divisors.
There are 8470656 positive integers (up to 21000406) that are relatively prime to 21000406.
21000406 has 16 divisors, whose sum is 38118816
The reverse of 21000406 is 60400012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 13
Digital Root 4
Name
twenty-one million four hundred six
Scientific notation
2.1000406 × 10^7
Engineering notation
2.1000406 × 10^6
Prime Factorization
2 × 17 × 7 × 88237
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21000406
Product of the distinct prime numbers
The prime factorization of 21000406 is 2 × 17 × 7 × 88237.
Since it has a total of 4 prime factors.
5 , 3 , 65 , 19 , 371 , 261 , 4613 , 6132 , 47238 , 3669 , 986539 , 709098 , 9018020 , 2456367 , 49172455 , 61258380 , 978083311 , 688010117 , 4971260732 , 8022060316
n×2
42000812
n×3
63001218
n×4
84001624
n×5
105002030
n÷2
10500203
n÷3
7000135.3333333
n÷3
5250101.5
n÷5
4200081.2
n2
441017052164836
n3
9.2615371483847E+21
n4
1.9449604030016E+29
n5
4.0844958116958E+36
2 √n
4582.6199929735
3 √n
275.89419560001
4 √n
67.695051465919
5 √n
29.137047247704
1 , 2 , 7 , 14 , 17 , 34 , 119 , 238 , 88237 , 176474 , 617659 , 1235318 , 1500029 , 3000058 , 10500203 , 21000406
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
-21000405
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 21000406 can be divided by 16 positive divisors.
The sum of these divisors (counting 21000406) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111000011010110
3
Ternary
1110111221010211
4
Quaternary
1100013003112
5
Quinary
20334003111
6
Senary
2030040034
8
Octal
120070326
10
Decimal
21000406
12
Duodecimal
704901a
16
Hexadecimal
14070d6
20
Vigesimal
6b5106
36
Base36
ci40m
md5
5d88e788682597d2f83e9538cd91f31c
sha1
1c08437ffdbf806c864f01db54b58bf4621e2b4e
sha256
ce46b0b587f7bd11f3a0b3a7a5143d71e13c7ce763d7f2905fd7c4c7fd03c5ea
sha512
ecc7fcaaaae4adacd57958fcb022627b5849dabd0793544563d095d146e868e06d1084f9c6cd29ffb49c83c90f4fdae84c9d15a22e8852e39f8c0737044778c5
ripemd-160
6076ea6ce42e7a22999ef61a32952743bec9a00a
Diameter
42000812
Circumference
131949442.42401
Area
1.3854959311889E+15
Volume
3.8794636088419E+22
Surface area
5.5419837247555E+15
Circumference
131949442.42401
Perimeter
84001624
Area
441017052164836
Diagonal
29699058.980541
Surface area
2646102312989016
Volume
9.2615371483847E+21
Space diagonal
36373770.171574
Perimeter
63001218
Area
1.9096598533844E+14
Altitude
18186885.085787
Surface area
1.9096598533844E+14
Volume
1.0914826203057E+21
Height
9899686.3268471