21031544 is an even 8-digits composite number following 21031543
and preceding 21031545 . In scientific notation, it is written as 2.1031544 × 10^7.
The sum of its digits is 20. It has a total of 5 prime factors and 16 positive divisors.
There are 10501920 positive integers (up to 21031544) that are relatively prime to 21031544.
21031544 has 16 divisors, whose sum is 39486120
The reverse of 21031544 is 44513012
Previous prime number is 1123
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million thirty-one thousand five hundred forty-four
Scientific notation
2.1031544 × 10^7
Engineering notation
2.1031544 × 10^6
Prime Factorization
2 × 2 × 2 × 1123 × 2341
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5257886
Product of the distinct prime numbers
The prime factorization of 21031544 is 2 × 2 × 2 × 1123 × 2341.
Since it has a total of 5 prime factors.
10 , 9 , 20 , 33 , 872 , 732 , 9594 , 6212 , 78357 , 51524 , 197930 , 602985 , 8072468 , 895103 , 46731108 , 42718096 , 228067159 , 784098247 , 9956214750 , 6391654326
n×2
42063088
n×3
63094632
n×4
84126176
n×5
105157720
n÷2
10515772
n÷3
7010514.6666667
n÷3
5257886
n÷5
4206308.8
n2
442325843023936
n3
9.302795429895E+21
n4
1.9565215140684E+29
n5
4.1148668310075E+36
2 √n
4586.0161360379
3 √n
276.03048742543
4 √n
67.720130951128
5 √n
29.145682621326
1 , 2 , 4 , 8 , 1123 , 2246 , 2341 , 4492 , 4682 , 8984 , 9364 , 18728 , 2628943 , 5257886 , 10515772 , 21031544
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
-21031543
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 21031544 can be divided by 16 positive divisors.
The sum of these divisors (counting 21031544) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110101001111000
3
Ternary
1110120111212002
4
Quaternary
1100032221320
5
Quinary
20341002134
6
Senary
2030440132
8
Octal
120165170
10
Decimal
21031544
12
Duodecimal
7063048
16
Hexadecimal
140ea78
20
Vigesimal
6b8ih4
36
Base36
cis1k
md5
58c8e48383cb86dfc2a8e316c6407d81
sha1
0d205a52d83dec8422289ef4cf7b9350047e73f7
sha256
c2c1008be2e9b9d508493bb2b0dae141da15b3975e89a2f68a4fb6b0e2628ea6
sha512
717c7904c8beab015b84870be08ae600fa13fffeec5a69468f023db21e65fb7db92f5ca193673b70d5059e503e3e14e59ccb8996809484a5e85f6ac5d9e98fcb
ripemd-160
d884021cc95b2bb44607911748f7089d894a4483
Diameter
42063088
Circumference
132145088.2481
Area
1.3896076189369E+15
Volume
3.8967458373876E+22
Surface area
5.5584304757476E+15
Circumference
132145088.2481
Perimeter
84126176
Area
442325843023936
Diagonal
29743094.762446
Surface area
2653955058143616
Volume
9.302795429895E+21
Space diagonal
36427702.76962
Perimeter
63094632
Area
1.9153270840455E+14
Altitude
18213851.38481
Surface area
1.9153270840455E+14
Volume
1.0963449554117E+21
Height
9914364.9208155