21000311 is an odd 8-digits composite number following 21000310
and preceding 21000312 . In scientific notation, it is written as 2.1000311 × 10^7.
The sum of its digits is 8. It has a total of 3 prime factors and 8 positive divisors.
There are 20041560 positive integers (up to 21000311) that are relatively prime to 21000311.
21000311 has 8 divisors, whose sum is 21963264
The reverse of 21000311 is 11300012
Previous prime number is 1447
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 8
Digital Root 8
Name
twenty-one million three hundred eleven
Scientific notation
2.1000311 × 10^7
Engineering notation
2.1000311 × 10^6
Prime Factorization
23 × 1447 × 631
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21000311
Product of the distinct prime numbers
The prime factorization of 21000311 is 23 × 1447 × 631.
Since it has a total of 3 prime factors.
2 , 3 , 7 , 50 , 629 , 989 , 6753 , 5500 , 129 , 13167 , 522739 , 621493 , 3320387 , 3000571 , 11225106 , 6699646 , 352978094 , 790224539 , 723544997 , 6655254260
n×2
42000622
n×3
63000933
n×4
84001244
n×5
105001555
n÷2
10500155.5
n÷3
7000103.6666667
n÷3
5250077.75
n÷5
4200062.2
n2
441013062096721
n3
9.2614114590935E+21
n4
1.9449252093993E+29
n5
4.0844034269125E+36
2 √n
4582.6096277121
3 √n
275.8937795765
4 √n
67.69497490739
5 √n
29.137020886076
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
-21000310
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 21000311 can be divided by 8 positive divisors.
The sum of these divisors (counting 21000311) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111000001110111
3
Ternary
1110111221000022
4
Quaternary
1100013001313
5
Quinary
20334002221
6
Senary
2030035355
8
Octal
120070167
10
Decimal
21000311
12
Duodecimal
7048b5b
16
Hexadecimal
1407077
20
Vigesimal
6b50fb
36
Base36
ci3xz
md5
644ffe40a67a34087c08861ff34f89eb
sha1
594637ee18d461859a68a975f5c356199cc5ddd9
sha256
c1920e4197c7d1d1eaabda22bca4b5c75f55d69c260b80f0dfd8a6dd368a1fa6
sha512
74034d9e6ef062ac25033a46908ca231c0dd087a208dfe03c6a58fb0714a3a27507fa472b35667213d58cb99cebeb1f816a604d0ef015baf14e2e7dbdb6d5ad0
ripemd-160
44e95cc180417fcee9fe894ad0ddb51383f43acc
Diameter
42000622
Circumference
131948845.5214
Area
1.3854833960202E+15
Volume
3.8794109602347E+22
Surface area
5.5419335840808E+15
Circumference
131948845.5214
Perimeter
84001244
Area
441013062096721
Diagonal
29698924.630253
Surface area
2646078372580326
Volume
9.2614114590935E+21
Space diagonal
36373605.626748
Perimeter
63000933
Area
1.9096425758826E+14
Altitude
18186802.813374
Surface area
1.9096425758826E+14
Volume
1.0914678076806E+21
Height
9899641.5434176