21031318 is an even 8-digits composite number following 21031317
and preceding 21031319 . In scientific notation, it is written as 2.1031318 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 32 positive divisors.
There are 7970400 positive integers (up to 21031318) that are relatively prime to 21031318.
21031318 has 32 divisors, whose sum is 40405248
The reverse of 21031318 is 81313012
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million thirty-one thousand three hundred eighteen
Scientific notation
2.1031318 × 10^7
Engineering notation
2.1031318 × 10^6
Prime Factorization
2 × 11 × 7 × 37 × 3691
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21031318
Product of the distinct prime numbers
The prime factorization of 21031318 is 2 × 11 × 7 × 37 × 3691.
Since it has a total of 5 prime factors.
10 , 6 , 80 , 1 , 495 , 211 , 6927 , 7059 , 62926 , 4430 , 594107 , 883414 , 7457254 , 8633691 , 2852055 , 29211345 , 459005007 , 397576909 , 568137016 , 5797722973
n×2
42062636
n×3
63093954
n×4
84125272
n×5
105156590
n÷2
10515659
n÷3
7010439.3333333
n÷3
5257829.5
n÷5
4206263.6
n2
442316336817124
n3
9.302495536196E+21
n4
1.9564374181532E+29
n5
4.1146457488279E+36
2 √n
4585.9914958491
3 √n
276.02949870244
4 √n
67.719949024265
5 √n
29.145619982533
1 , 2 , 7 , 11 , 14 , 22 , 37 , 74 , 77 , 154 , 259 , 407 , 518 , 814 , 2849 , 3691 , 5698 , 7382 , 25837 , 40601 , 51674 , 81202 , 136567 , 273134 , 284207 , 568414 , 955969 , 1502237 , 1911938 , 3004474 , 10515659 , 21031318
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031317
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031318 can be divided by 32 positive divisors.
The sum of these divisors (counting 21031318) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000001110100110010110
3
Ternary
1110120111112201
4
Quaternary
1100032212112
5
Quinary
20341000233
6
Senary
2030435114
8
Octal
120164626
10
Decimal
21031318
12
Duodecimal
7062a9a
16
Hexadecimal
140e996
20
Vigesimal
6b8i5i
36
Base36
cirva
md5
0de8f72654cb52c3994266f72bed3c97
sha1
759daa79229e0d4f8d05941d13ca408f406e63ef
sha256
f853ebdca3f29122252d7d1313c0c0cce24a448eff7632cad73a60a549f19ac3
sha512
66e7fa41d076fe06fe0d0a9bbb8c7d10df4ca6836df92849823a7883b56934093d13773f03f96399e079beb3a7c635a789e826ddc7c29318eccc087a8c3d5ca6
ripemd-160
c481af022c2d9578d3691ad239909012d6239a5a
Diameter
42062636
Circumference
132143668.24822
Area
1.3895777543074E+15
Volume
3.8966202182087E+22
Surface area
5.5583110172297E+15
Circumference
132143668.24822
Perimeter
84125272
Area
442316336817124
Diagonal
29742775.150181
Surface area
2653898020902744
Volume
9.302495536196E+21
Space diagonal
36427311.326138
Perimeter
63093954
Area
1.9152859209625E+14
Altitude
18213655.663069
Surface area
1.9152859209625E+14
Volume
1.0963096126003E+21
Height
9914258.3833938