21001617 is an odd 8-digits composite number following 21001616
and preceding 21001618 . In scientific notation, it is written as 2.1001617 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 11077344 positive integers (up to 21001617) that are relatively prime to 21001617.
21001617 has 8 divisors, whose sum is 22977024
The reverse of 21001617 is 71610012
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million one thousand six hundred seventeen
Scientific notation
2.1001617 × 10^7
Engineering notation
2.1001617 × 10^6
Prime Factorization
63 × 13 × 25643
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21001617
Product of the distinct prime numbers
The prime factorization of 21001617 is 63 × 13 × 25643.
Since it has a total of 3 prime factors.
7 , 4 , 28 , 20 , 953 , 665 , 4756 , 3506 , 74880 , 95642 , 78543 , 281052 , 7492179 , 8232321 , 80020390 , 95235696 , 69164830 , 801903294 , 5282965368 , 9506217858
n×2
42003234
n×3
63004851
n×4
84006468
n×5
105008085
n÷2
10500808.5
n÷3
7000539
n÷3
5250404.25
n÷5
4200323.4
n2
441067916614689
n3
9.2631394557296E+21
n4
1.9454090706682E+29
n5
4.08567362105E+36
2 √n
4582.752120724
3 √n
275.89949869509
4 √n
67.69602736294
5 √n
29.137383280735
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21001616
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21001617 can be divided by 8 positive divisors.
The sum of these divisors (counting 21001617) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111010110010001
3
Ternary
1110111222210200
4
Quaternary
1100013112101
5
Quinary
20334022432
6
Senary
2030045413
8
Octal
120072621
10
Decimal
21001617
12
Duodecimal
7049869
16
Hexadecimal
1407591
20
Vigesimal
6b540h
36
Base36
ci4y9
md5
2c7fc01bb8e901fe8af90f93a831c6d4
sha1
924b5b56f4d15ae9d8a0140324f82cc75d6092a7
sha256
fb680595881cdd238d74da17a7b0ca6560497e88356fb7d8412b86b879322837
sha512
e8eabc15f2d31203099ab72b3e8edfdd55d732125bc73ff5f9ea5380dd83f26ddc5247161746875b2c2c7730c247cd8d980dac3df4197684e21225e9d3e225b6
ripemd-160
44a2f1ea0687d192be66503d59494216321c137e
Diameter
42003234
Circumference
131957051.36141
Area
1.3856557265709E+15
Volume
3.8801347817731E+22
Surface area
5.5426229062834E+15
Circumference
131957051.36141
Perimeter
84006468
Area
441067916614689
Diagonal
29700771.593165
Surface area
2646407499688134
Volume
9.2631394557296E+21
Space diagonal
36375867.685102
Perimeter
63004851
Area
1.909880102913E+14
Altitude
18187933.842551
Surface area
1.909880102913E+14
Volume
1.0916714540372E+21
Height
9900257.1977218