21000609 is an odd 8-digits composite number following 21000608
and preceding 21000610 . In scientific notation, it is written as 2.1000609 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 11612160 positive integers (up to 21000609) that are relatively prime to 21000609.
21000609 has 16 divisors, whose sum is 27530240
The reverse of 21000609 is 90600012
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million six hundred nine
Scientific notation
2.1000609 × 10^7
Engineering notation
2.1000609 × 10^6
Prime Factorization
9 × 7 × 31 × 10753
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21000609
Product of the distinct prime numbers
The prime factorization of 21000609 is 9 × 7 × 31 × 10753.
Since it has a total of 4 prime factors.
7 , 7 , 82 , 100 , 138 , 881 , 8299 , 6126 , 59368 , 75575 , 829695 , 269876 , 2223456 , 2211297 , 37524381 , 13935305 , 108108564 , 990034009 , 7038508280 , 9208548477
n×2
42001218
n×3
63001827
n×4
84002436
n×5
105003045
n÷2
10500304.5
n÷3
7000203
n÷3
5250152.25
n÷5
4200121.8
n2
441025578370881
n3
9.2618057303657E+21
n4
1.9450356077737E+29
n5
4.0846932289933E+36
2 √n
4582.6421418217
3 √n
275.89508457237
4 √n
67.695215058538
5 √n
29.137103578022
1 , 7 , 9 , 31 , 63 , 217 , 279 , 1953 , 10753 , 75271 , 96777 , 333343 , 677439 , 2333401 , 3000087 , 21000609
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
-21000608
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 21000609 can be divided by 16 positive divisors.
The sum of these divisors (counting 21000609) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111000110100001
3
Ternary
1110111221102100
4
Quaternary
1100013012201
5
Quinary
20334004414
6
Senary
2030041013
8
Octal
120070641
10
Decimal
21000609
12
Duodecimal
7049169
16
Hexadecimal
14071a1
20
Vigesimal
6b51a9
36
Base36
ci469
md5
2aa14d1827344ad7dfd5cd53c66991c6
sha1
c4ce0bbb3c63883bd4a8b44111aef4ddd122a3d7
sha256
07225f8baf35fd88d1c575981c1ab5056b2db27900ac22a03113b5f54d8b2479
sha512
d5fadb91b9cc1293b0a7489c1ffacf78df24f1df96fc5400bfb4c4181f381b8a391d921d9cbefad0f4d8a168f58c39349696604b5550f8ce5dd585a420ffa354
ripemd-160
5cce444fd42cd70028ac8ba30e427965d537f9a9
Diameter
42001218
Circumference
131950717.91062
Area
1.3855227170551E+15
Volume
3.879576112199E+22
Surface area
5.5420908682206E+15
Circumference
131950717.91062
Perimeter
84002436
Area
441025578370881
Diagonal
29699346.065894
Surface area
2646153470225286
Volume
9.2618057303657E+21
Space diagonal
36374121.777888
Perimeter
63001827
Area
1.9096967729395E+14
Altitude
18187060.888944
Surface area
1.9096967729395E+14
Volume
1.0915142729957E+21
Height
9899782.0219648