21131210 is an even 8-digits composite number following 21131209
and preceding 21131211 . In scientific notation, it is written as 2.1131210 × 10^7.
The sum of its digits is 11. It has a total of 4 prime factors and 16 positive divisors.
There are 8438976 positive integers (up to 21131210) that are relatively prime to 21131210.
21131210 has 16 divisors, whose sum is 38097000
The reverse of 21131210 is 01213112
Previous prime number is 829
Is Prime? no
Number parity even
Number length 8
Sum of Digits 11
Digital Root 2
Name
twenty-one million one hundred thirty-one thousand two hundred ten
Scientific notation
2.1131210 × 10^7
Engineering notation
2.1131210 × 10^6
Prime Factorization
2 × 5 × 829 × 2549
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21131210
Product of the distinct prime numbers
The prime factorization of 21131210 is 2 × 5 × 829 × 2549.
Since it has a total of 4 prime factors.
2 , 7 , 47 , 82 , 413 , 178 , 9795 , 5836 , 87236 , 34932 , 753277 , 962261 , 6082246 , 8796550 , 43210849 , 11459764 , 326726942 , 154659195 , 6583833608 , 4008708526
n×2
42262420
n×3
63393630
n×4
84524840
n×5
105656050
n÷2
10565605
n÷3
7043736.6666667
n÷3
5282802.5
n÷5
4226242
n2
446528036064100
n3
9.4356777009581E+21
n4
1.9938728699126E+29
n5
4.2132946327426E+36
2 √n
4596.8695870124
3 √n
276.46582575522
4 √n
67.800218192956
5 √n
29.173253996431
1 , 2 , 5 , 10 , 829 , 1658 , 2549 , 4145 , 5098 , 8290 , 12745 , 25490 , 2113121 , 4226242 , 10565605 , 21131210
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
-21131209
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 21131210 can be divided by 16 positive divisors.
The sum of these divisors (counting 21131210) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000100110111111001010
3
Ternary
1110202120120102
4
Quaternary
1100212333022
5
Quinary
20402144320
6
Senary
2032525402
8
Octal
120467712
10
Decimal
21131210
12
Duodecimal
70b0862
16
Hexadecimal
1426fca
20
Vigesimal
6c180a
36
Base36
ckwy2
md5
a51bc25be5063301724c280cd48e970d
sha1
80ccb341ed3ee92cbd2c8e31dfd8c39e9b572290
sha256
974a8ac824151ff760e0073272c3fcf3949b1ad3e4a8c4ed938b2f80c5b1bfbd
sha512
ec1769574d297240c08f900a5b01d3d03e7b9f9fd18d7c7ab4ff38ccd000d16f1d47f0e81efded9fdb1f0e8685ca787e19fa6e4c2c844e8efe1d16e1c4757325
ripemd-160
7484cc2b8758ae960e3bea3d5e34003c143ec9ef
Diameter
42262420
Circumference
132771308.19493
Area
1.4028091977209E+15
Volume
3.9524074329295E+22
Surface area
5.6112367908834E+15
Circumference
132771308.19493
Perimeter
84524840
Area
446528036064100
Diagonal
29884043.771354
Surface area
2679168216384600
Volume
9.4356777009581E+21
Space diagonal
36600329.345408
Perimeter
63393630
Area
1.9335231136674E+14
Altitude
18300164.672704
Surface area
1.9335231136674E+14
Volume
1.1120052812397E+21
Height
9961347.9237847