21031144 is an even 8-digits composite number following 21031143
and preceding 21031145 . In scientific notation, it is written as 2.1031144 × 10^7.
The sum of its digits is 16. It has a total of 6 prime factors and 32 positive divisors.
There are 10085760 positive integers (up to 21031144) that are relatively prime to 21031144.
21031144 has 32 divisors, whose sum is 41068800
The reverse of 21031144 is 44113012
Previous prime number is 137
Is Prime? no
Number parity even
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million thirty-one thousand one hundred forty-four
Scientific notation
2.1031144 × 10^7
Engineering notation
2.1031144 × 10^6
Prime Factorization
2 × 2 × 2 × 31 × 137 × 619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5257786
Product of the distinct prime numbers
The prime factorization of 21031144 is 2 × 2 × 2 × 31 × 137 × 619.
Since it has a total of 6 prime factors.
5 , 2 , 5 , 90 , 60 , 729 , 1176 , 8365 , 76610 , 5490 , 255900 , 784587 , 1140350 , 467279 , 90181522 , 50449705 , 717177670 , 405520698 , 437560848 , 8241981826
n×2
42062288
n×3
63093432
n×4
84124576
n×5
105155720
n÷2
10515572
n÷3
7010381.3333333
n÷3
5257786
n÷5
4206228.8
n2
442309017948736
n3
9.3022646489785E+21
n4
1.9563726735878E+29
n5
4.1144755415889E+36
2 √n
4585.972524994
3 √n
276.0287374684
4 √n
67.719808955682
5 √n
29.145571755839
1 , 2 , 4 , 8 , 31 , 62 , 124 , 137 , 248 , 274 , 548 , 619 , 1096 , 1238 , 2476 , 4247 , 4952 , 8494 , 16988 , 19189 , 33976 , 38378 , 76756 , 84803 , 153512 , 169606 , 339212 , 678424 , 2628893 , 5257786 , 10515572 , 21031144
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
-21031143
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 21031144 can be divided by 32 positive divisors.
The sum of these divisors (counting 21031144) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000001110100011101000
3
Ternary
1110120111022021
4
Quaternary
1100032203220
5
Quinary
20340444034
6
Senary
2030434224
8
Octal
120164350
10
Decimal
21031144
12
Duodecimal
7062974
16
Hexadecimal
140e8e8
20
Vigesimal
6b8hh4
36
Base36
cirqg
md5
2825fd6b81d60cf8c85caa5ab837de11
sha1
23320241b0015c7a35702facc4b23cc449430f77
sha256
4209b5e9da87f7d34ee99938ed6910bbe9e4d38f7047b6cdcbfd89d5f5925f05
sha512
e702f59187feb77584ae4684d3aba4e85bb89e1c0e5c0ae5d515871b651acb3d8cf2543c17992706a25d563fefe9fc7b9a612223ed1d52311d7b08da790e64d6
ripemd-160
69d5695e3774d8e691e6f07be0800a5b11a41cf8
Diameter
42062288
Circumference
132142574.97398
Area
1.3895547614043E+15
Volume
3.8965235043972E+22
Surface area
5.5582190456171E+15
Circumference
132142574.97398
Perimeter
84124576
Area
442309017948736
Diagonal
29742529.077022
Surface area
2653854107692416
Volume
9.3022646489785E+21
Space diagonal
36427009.949297
Perimeter
63093432
Area
1.9152542293328E+14
Altitude
18213504.974649
Surface area
1.9152542293328E+14
Volume
1.0962824022808E+21
Height
9914176.3590072