21031161 is an odd 8-digits composite number following 21031160
and preceding 21031162 . In scientific notation, it is written as 2.1031161 × 10^7.
The sum of its digits is 15. It has a total of 3 prime factors and 8 positive divisors.
There are 14009520 positive integers (up to 21031161) that are relatively prime to 21031161.
21031161 has 8 divisors, whose sum is 28064064
The reverse of 21031161 is 16113012
Previous prime number is 3767
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty-one million thirty-one thousand one hundred sixty-one
Scientific notation
2.1031161 × 10^7
Engineering notation
2.1031161 × 10^6
Prime Factorization
3 × 3767 × 1861
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21031161
Product of the distinct prime numbers
The prime factorization of 21031161 is 3 × 3767 × 1861.
Since it has a total of 3 prime factors.
3 , 2 , 64 , 3 , 228 , 945 , 7109 , 2814 , 29506 , 84123 , 384218 , 231821 , 7813715 , 6540646 , 75158905 , 52856142 , 754606649 , 225037102 , 4334422285 , 8367551802
n×2
42062322
n×3
63093483
n×4
84124644
n×5
105155805
n÷2
10515580.5
n÷3
7010387
n÷3
5257790.25
n÷5
4206232.2
n2
442309733007921
n3
9.3022872067566E+21
n4
1.9563789991354E+29
n5
4.1144921707835E+36
2 √n
4585.9743784718
3 √n
276.02881184203
4 √n
67.719822640582
5 √n
29.145576467657
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
-21031160
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 21031161 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031161) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110100011111001
3
Ternary
1110120111022220
4
Quaternary
1100032203321
5
Quinary
20340444121
6
Senary
2030434253
8
Octal
120164371
10
Decimal
21031161
12
Duodecimal
7062989
16
Hexadecimal
140e8f9
20
Vigesimal
6b8hi1
36
Base36
cirqx
md5
3b64bde998a477b2036008e142cecf50
sha1
eda10ca41c161802839ab47e9fe4fb17a3e03d10
sha256
e24bc82e4c3138e41440245db5163950900010744dd1018df56c947234e1d298
sha512
9c23c9c2a52e7c5685b0810a558f4af61e42f61420932d22e92f0e2538267dfae0196d374dd655beb8c2d29032df6ef11faa60070faee5d3884e8176711df37e
ripemd-160
f27200bdb793592c560cdceb4ac020b27e21c11b
Diameter
42062322
Circumference
132142681.78813
Area
1.3895570078289E+15
Volume
3.8965329533772E+22
Surface area
5.5582280313158E+15
Circumference
132142681.78813
Perimeter
84124644
Area
442309733007921
Diagonal
29742553.118652
Surface area
2653858398047526
Volume
9.3022872067566E+21
Space diagonal
36427039.394161
Perimeter
63093483
Area
1.9152573256299E+14
Altitude
18213519.697081
Surface area
1.9152573256299E+14
Volume
1.0962850607404E+21
Height
9914184.372884