21031758 is an even 8-digits composite number following 21031757
and preceding 21031759 . In scientific notation, it is written as 2.1031758 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 6373080 positive integers (up to 21031758) that are relatively prime to 21031758.
21031758 has 16 divisors, whose sum is 35691264
The reverse of 21031758 is 85713012
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million thirty-one thousand seven hundred fifty-eight
Scientific notation
2.1031758 × 10^7
Engineering notation
2.1031758 × 10^6
Prime Factorization
2 × 27 × 11 × 35407
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21031758
Product of the distinct prime numbers
The prime factorization of 21031758 is 2 × 27 × 11 × 35407.
Since it has a total of 4 prime factors.
2 , 6 , 2 , 58 , 390 , 204 , 9990 , 6078 , 48204 , 47767 , 835076 , 952184 , 5205477 , 1567136 , 45374451 , 52629947 , 680223151 , 50793673 , 7352666634 , 218166761
n×2
42063516
n×3
63095274
n×4
84127032
n×5
105158790
n÷2
10515879
n÷3
7010586
n÷3
5257939.5
n÷5
4206351.6
n2
442334844570564
n3
9.3030794059757E+21
n4
1.9566011472127E+29
n5
4.1150761830699E+36
2 √n
4586.0394677761
3 √n
276.03142364334
4 √n
67.720303216806
5 √n
29.145741933668
1 , 2 , 11 , 22 , 27 , 54 , 297 , 594 , 35407 , 70814 , 389477 , 778954 , 955989 , 1911978 , 10515879 , 21031758
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
-21031757
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 21031758 can be divided by 16 positive divisors.
The sum of these divisors (counting 21031758) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110101101001110
3
Ternary
1110120112011000
4
Quaternary
1100032231032
5
Quinary
20341004013
6
Senary
2030441130
8
Octal
120165516
10
Decimal
21031758
12
Duodecimal
70631a6
16
Hexadecimal
140eb4e
20
Vigesimal
6b8j7i
36
Base36
cis7i
md5
14acb600b4c377af236cb413a8ef20dc
sha1
314b293584ba6596bf48e94d3ccd1841350b62eb
sha256
2dee4fa9d4592466a7d29e5bdf2cbc96f24ad8ecfc01c077c795438ffceead08
sha512
f21483d1c17dcee26e5e0c24ffcf100165bdd13fd5318ce7402857bf921089cd721c0942261c62cb4737d8429c89ff3eca8d27ed61c9ff076bff3e91ca2a9243
ripemd-160
7165c7d6281a4723068b87d39ba5ccb94d29fef9
Diameter
42063516
Circumference
132146432.84976
Area
1.3896358981297E+15
Volume
3.8968647890101E+22
Surface area
5.5585435925187E+15
Circumference
132146432.84976
Perimeter
84127032
Area
442334844570564
Diagonal
29743397.404149
Surface area
2654009067423384
Volume
9.3030794059757E+21
Space diagonal
36428073.428493
Perimeter
63095274
Area
1.9153660618857E+14
Altitude
18214036.714247
Surface area
1.9153660618857E+14
Volume
1.0963784223137E+21
Height
9914465.8013829