21031695 is an odd 8-digits composite number following 21031694
and preceding 21031696 . In scientific notation, it is written as 2.1031695 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 11216880 positive integers (up to 21031695) that are relatively prime to 21031695.
21031695 has 8 divisors, whose sum is 29911808
The reverse of 21031695 is 59613012
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million thirty-one thousand six hundred ninety-five
Scientific notation
2.1031695 × 10^7
Engineering notation
2.1031695 × 10^6
Prime Factorization
15 × 3 × 467371
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21031695
Product of the distinct prime numbers
The prime factorization of 21031695 is 15 × 3 × 467371.
Since it has a total of 3 prime factors.
1 , 10 , 95 , 42 , 299 , 795 , 8686 , 7287 , 37399 , 67250 , 151785 , 565722 , 8617633 , 7676250 , 52364656 , 79664985 , 332097282 , 990184927 , 7473933579 , 4785984103
n×2
42063390
n×3
63095085
n×4
84126780
n×5
105158475
n÷2
10515847.5
n÷3
7010565
n÷3
5257923.75
n÷5
4206339
n2
442332194573025
n3
9.3029958049405E+21
n4
1.9565777035579E+29
n5
4.115014550503E+36
2 √n
4586.0325990991
3 √n
276.03114802844
4 √n
67.720252503215
5 √n
29.145724472608
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
-21031694
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 21031695 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031695) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110101100001111
3
Ternary
1110120112001200
4
Quaternary
1100032230033
5
Quinary
20341003240
6
Senary
2030440543
8
Octal
120165417
10
Decimal
21031695
12
Duodecimal
7063153
16
Hexadecimal
140eb0f
20
Vigesimal
6b8j4f
36
Base36
cis5r
md5
ed9a7d7b8bf09bd6d38dc8131a5b183b
sha1
4ab1cecc3fc8b5506da255fa8f327c5404b927dd
sha256
586316c09f2e8cd58c6accf34c264bcc862f48f63d32a8f0089df7ff557201f0
sha512
24d672d1acb024f800c3e1c728825d507f85b19a0cdf85f85d8d9f39c92dce562bd5ba018492065a8bcc0fbd35d561135ccce10bc0e8338981bee2aa4f3b5563
ripemd-160
b2fc6682e9a7b825aa2f535b0c249eb401b024f5
Diameter
42063390
Circumference
132146037.00908
Area
1.3896275729169E+15
Volume
3.8968297702904E+22
Surface area
5.5585102916675E+15
Circumference
132146037.00908
Perimeter
84126780
Area
442332194573025
Diagonal
29743308.308694
Surface area
2653993167438150
Volume
9.3029958049405E+21
Space diagonal
36427964.309292
Perimeter
63095085
Area
1.9153545870598E+14
Altitude
18213982.154646
Surface area
1.9153545870598E+14
Volume
1.0963685698372E+21
Height
9914436.1028981