21031750 is an even 8-digits composite number following 21031749
and preceding 21031751 . In scientific notation, it is written as 2.1031750 × 10^7.
The sum of its digits is 19. It has a total of 5 prime factors and 16 positive divisors.
There are 8412600 positive integers (up to 21031750) that are relatively prime to 21031750.
21031750 has 16 divisors, whose sum is 39371904
The reverse of 21031750 is 05713012
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty-one million thirty-one thousand seven hundred fifty
Scientific notation
2.1031750 × 10^7
Engineering notation
2.1031750 × 10^6
Prime Factorization
2 × 5 × 5 × 5 × 84127
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
841270
Product of the distinct prime numbers
The prime factorization of 21031750 is 2 × 5 × 5 × 5 × 84127.
Since it has a total of 5 prime factors.
6 , 3 , 31 , 97 , 547 , 723 , 381 , 6652 , 39519 , 76777 , 393256 , 866479 , 5263643 , 5747869 , 9271914 , 71510438 , 895998146 , 281306405 , 7997602551 , 1471210062
n×2
42063500
n×3
63095250
n×4
84127000
n×5
105158750
n÷2
10515875
n÷3
7010583.3333333
n÷3
5257937.5
n÷5
4206350
n2
442334508062500
n3
9.3030687899435E+21
n4
1.9565981702289E+29
n5
4.1150683566712E+36
2 √n
4586.0385955637
3 √n
276.03138864465
4 √n
67.720296776991
5 √n
29.145739716393
1 , 2 , 5 , 10 , 25 , 50 , 125 , 250 , 84127 , 168254 , 420635 , 841270 , 2103175 , 4206350 , 10515875 , 21031750
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
-21031749
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 21031750 can be divided by 16 positive divisors.
The sum of these divisors (counting 21031750) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110101101000110
3
Ternary
1110120112010201
4
Quaternary
1100032231012
5
Quinary
20341004000
6
Senary
2030441114
8
Octal
120165506
10
Decimal
21031750
12
Duodecimal
706319a
16
Hexadecimal
140eb46
20
Vigesimal
6b8j7a
36
Base36
cis7a
md5
4f68157d5dffa33f43064cb17ed37a84
sha1
24ef5dfcb90ac63f33d6481593fc0ca98ba58010
sha256
c964a62d4209c60f2c1bf92873e5ae95e2052c75c69c1635c56e14881b136049
sha512
3adfd7b2187c8f1931915d5a96fed7cf5a38538be73660d1816713d29416dde6c8378621044a15ca88a50f2eef8bbedc0969307dce325d0e8019ee80e389da25
ripemd-160
f7617ff72d6cae2b615cdb4bc2bbc28352e9f0a5
Diameter
42063500
Circumference
132146382.58427
Area
1.3896348409584E+15
Volume
3.8968603421769E+22
Surface area
5.5585393638336E+15
Circumference
132146382.58427
Perimeter
84127000
Area
442334508062500
Diagonal
29743386.09044
Surface area
2654007048375000
Volume
9.3030687899435E+21
Space diagonal
36428059.572087
Perimeter
63095250
Area
1.9153646047631E+14
Altitude
18214029.786043
Surface area
1.9153646047631E+14
Volume
1.0963771712023E+21
Height
9914462.0301468