21131835 is an odd 8-digits composite number following 21131834
and preceding 21131836 . In scientific notation, it is written as 2.1131835 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 11270304 positive integers (up to 21131835) that are relatively prime to 21131835.
21131835 has 8 divisors, whose sum is 33810960
The reverse of 21131835 is 53813112
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million one hundred thirty-one thousand eight hundred thirty-five
Scientific notation
2.1131835 × 10^7
Engineering notation
2.1131835 × 10^6
Prime Factorization
3 × 5 × 1408789
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21131835
Product of the distinct prime numbers
The prime factorization of 21131835 is 3 × 5 × 1408789.
Since it has a total of 3 prime factors.
7 , 4 , 11 , 38 , 378 , 527 , 8565 , 3657 , 9465 , 47127 , 474886 , 577262 , 562466 , 5648916 , 15235225 , 77184868 , 400130411 , 429048934 , 9894441787 , 5638098904
n×2
42263670
n×3
63395505
n×4
84527340
n×5
105659175
n÷2
10565917.5
n÷3
7043945
n÷3
5282958.75
n÷5
4226367
n2
446554450467225
n3
9.4365149657891E+21
n4
1.9941087723209E+29
n5
4.2139177548737E+36
2 √n
4596.9375675552
3 √n
276.46855141453
4 √n
67.800719520925
5 √n
29.173426566464
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
-21131834
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 21131835 can be divided by 8 positive divisors.
The sum of these divisors (counting 21131835) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000100111001000111011
3
Ternary
1110202121102120
4
Quaternary
1100213020323
5
Quinary
20402204320
6
Senary
2032532323
8
Octal
120471073
10
Decimal
21131835
12
Duodecimal
70b10a3
16
Hexadecimal
142723b
20
Vigesimal
6c19bf
36
Base36
ckxff
md5
30a58982b9ff884401fec46f39dfa39e
sha1
f2a131371ff376b1363b08de56d96eeb78a61209
sha256
237f0ae49b4fcf135566e3943be55a67269e6e370d1f7f6134914cf8e1e8e4fa
sha512
b15eee373d34703c04017d0829fe2af393829ac432cd9cd1a5defac777d0a7b1b3586bc87f317cfd4d8d6543ec2e36a1c2a42c04594309c2e8da0ea8a11583b5
ripemd-160
2a81871a677c30be0f1b8c9c377061669fa9d37e
Diameter
42263670
Circumference
132775235.18574
Area
1.4028921810157E+15
Volume
3.9527581456017E+22
Surface area
5.6115687240626E+15
Circumference
132775235.18574
Perimeter
84527340
Area
446554450467225
Diagonal
29884927.65483
Surface area
2679326702803350
Volume
9.4365149657891E+21
Space diagonal
36601411.877162
Perimeter
63395505
Area
1.9336374913881E+14
Altitude
18300705.938581
Surface area
1.9336374913881E+14
Volume
1.1121039538463E+21
Height
9961642.5516102