21000355 is an odd 8-digits composite number following 21000354
and preceding 21000356 . In scientific notation, it is written as 2.1000355 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors.
There are 15657472 positive integers (up to 21000355) that are relatively prime to 21000355.
21000355 has 16 divisors, whose sum is 26943840
The reverse of 21000355 is 55300012
Previous prime number is 107
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million three hundred fifty-five
Scientific notation
2.1000355 × 10^7
Engineering notation
2.1000355 × 10^6
Prime Factorization
17 × 5 × 107 × 2309
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21000355
Product of the distinct prime numbers
The prime factorization of 21000355 is 17 × 5 × 107 × 2309.
Since it has a total of 4 prime factors.
7 , 3 , 83 , 69 , 593 , 66 , 2020 , 604 , 55222 , 34711 , 169369 , 891034 , 953926 , 8750382 , 24634531 , 1114946 , 251506170 , 400540986 , 2053869790 , 4671326751
n×2
42000710
n×3
63001065
n×4
84001420
n×5
105001775
n÷2
10500177.5
n÷3
7000118.3333333
n÷3
5250088.75
n÷5
4200071
n2
441014910126025
n3
9.2614696729396E+21
n4
1.9449415095347E+29
n5
4.0844462154464E+36
2 √n
4582.6144284677
3 √n
275.89397226123
4 √n
67.695010366109
5 √n
29.137033095684
1 , 5 , 17 , 85 , 107 , 535 , 1819 , 2309 , 9095 , 11545 , 39253 , 196265 , 247063 , 1235315 , 4200071 , 21000355
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
-21000354
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 21000355 can be divided by 16 positive divisors.
The sum of these divisors (counting 21000355) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000111000010100011
3
Ternary
1110111221001221
4
Quaternary
1100013002203
5
Quinary
20334002410
6
Senary
2030035511
8
Octal
120070243
10
Decimal
21000355
12
Duodecimal
7048b97
16
Hexadecimal
14070a3
20
Vigesimal
6b50hf
36
Base36
ci3z7
md5
32a5dbebc8dcc4b5b3171d6ebc8521cf
sha1
c1da5610711f18507de9a856b768c7b799cc322d
sha256
00725ebea87c125c3d677390161fc91c6a360863dac74d75ddec151bccb3ddd2
sha512
7aee48249c857d916cf88d016cd69e2ff75451d12df851e4b9a4bc8007d8d55aa3b2b80923bde6d8f81b67469c7b7549fbae5c3443a14d8cb5a7f150336f458f
ripemd-160
ace4635afabe2103d4c884b4c04262a4ad2d34c7
Diameter
42000710
Circumference
131949121.98156
Area
1.3854892017755E+15
Volume
3.8794353447936E+22
Surface area
5.5419568071019E+15
Circumference
131949121.98156
Perimeter
84001420
Area
441014910126025
Diagonal
29698986.85565
Surface area
2646089460756150
Volume
9.2614696729396E+21
Space diagonal
36373681.836983
Perimeter
63001065
Area
1.9096505780842E+14
Altitude
18186840.918492
Surface area
1.9096505780842E+14
Volume
1.0914746682482E+21
Height
9899662.2852165