21095847 is an odd 8-digits composite number following 21095846
and preceding 21095848 . In scientific notation, it is written as 2.1095847 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 13453440 positive integers (up to 21095847) that are relatively prime to 21095847.
21095847 has 16 divisors, whose sum is 24472800
The reverse of 21095847 is 74859012
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million ninety-five thousand eight hundred forty-seven
Scientific notation
2.1095847 × 10^7
Engineering notation
2.1095847 × 10^6
Prime Factorization
9 × 29 × 131 × 617
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21095847
Product of the distinct prime numbers
The prime factorization of 21095847 is 9 × 29 × 131 × 617.
Since it has a total of 4 prime factors.
1 , 1 , 1 , 78 , 92 , 51 , 1281 , 5686 , 19656 , 92860 , 989597 , 913451 , 1046846 , 7077058 , 77323914 , 15330119 , 58644929 , 89342256 , 7987054445 , 2703062758
n×2
42191694
n×3
63287541
n×4
84383388
n×5
105479235
n÷2
10547923.5
n÷3
7031949
n÷3
5273961.75
n÷5
4219169.4
n2
445034760647409
n3
9.3883852202994E+21
n4
1.980559381845E+29
n5
4.1781577693816E+36
2 √n
4593.0215544889
3 √n
276.31151814092
4 √n
67.771834522085
5 √n
29.163483187634
1 , 9 , 29 , 131 , 261 , 617 , 1179 , 3799 , 5553 , 17893 , 34191 , 80827 , 161037 , 727443 , 2343983 , 21095847
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
-21095846
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 21095847 can be divided by 16 positive divisors.
The sum of these divisors (counting 21095847) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011110010110100111
3
Ternary
1110200210001200
4
Quaternary
1100132112213
5
Quinary
20400031342
6
Senary
2032053543
8
Octal
120362647
10
Decimal
21095847
12
Duodecimal
70942b3
16
Hexadecimal
141e5a7
20
Vigesimal
6bgjc7
36
Base36
ck5nr
md5
df12c48ea19cef5bca167c7f43c65ad1
sha1
a3cc0b6be025761caef8ae03ae29130c2a26df3b
sha256
4105d4e5c0858fba2fb331446f07576f458097fefc299a941b81e4dbdf5ea7db
sha512
357f47d131aa2e45af6fa48cdf52bb033a671e0e3abe20d0ba44b0a8c8e33ce234beb0f7359b83102749ca6f93969af5c0a81d26819d6d2ac506cec8a6b88731
ripemd-160
aebe1b4e93577db697ea1abfc4b7837ba368365b
Diameter
42191694
Circumference
132549115.91291
Area
1.398117934642E+15
Volume
3.9325976049551E+22
Surface area
5.592471738568E+15
Circumference
132549115.91291
Perimeter
84383388
Area
445034760647409
Diagonal
29834032.937148
Surface area
2670208563884454
Volume
9.3883852202994E+21
Space diagonal
36539078.832699
Perimeter
63287541
Area
1.9270570414389E+14
Altitude
18269539.41635
Surface area
1.9270570414389E+14
Volume
1.1064318089442E+21
Height
9944677.6457159