21031838 is an even 8-digits composite number following 21031837
and preceding 21031839 . In scientific notation, it is written as 2.1031838 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 10457640 positive integers (up to 21031838) that are relatively prime to 21031838.
21031838 has 8 divisors, whose sum is 31722600
The reverse of 21031838 is 83813012
Previous prime number is 181
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million thirty-one thousand eight hundred thirty-eight
Scientific notation
2.1031838 × 10^7
Engineering notation
2.1031838 × 10^6
Prime Factorization
2 × 181 × 58099
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21031838
Product of the distinct prime numbers
The prime factorization of 21031838 is 2 × 181 × 58099.
Since it has a total of 3 prime factors.
7 , 7 , 64 , 50 , 370 , 938 , 2625 , 9137 , 25415 , 65307 , 516124 , 617645 , 9041454 , 5048438 , 74737148 , 71685364 , 19566917 , 358455524 , 5870234319 , 4628942442
n×2
42063676
n×3
63095514
n×4
84127352
n×5
105159190
n÷2
10515919
n÷3
7010612.6666667
n÷3
5257959.5
n÷5
4206367.6
n2
442338209658244
n3
9.3031855667422E+21
n4
1.9566309172366E+29
n5
4.1151544477112E+36
2 √n
4586.0481898907
3 √n
276.03177362971
4 √n
67.720367614852
5 √n
29.145764106382
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
-21031837
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 21031838 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031838) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110101110011110
3
Ternary
1110120112020222
4
Quaternary
1100032232132
5
Quinary
20341004323
6
Senary
2030441342
8
Octal
120165636
10
Decimal
21031838
12
Duodecimal
7063252
16
Hexadecimal
140eb9e
20
Vigesimal
6b8jbi
36
Base36
cis9q
md5
5a5b091addc781331412ea64507b1f8c
sha1
ca312e990894db113a4dc6566ea4684f19f54a95
sha256
41a2c266d1cf2d7de086063de9e7d522cf380f4632e638fba60568b4a8abcae0
sha512
044b1ce57eca85314e6b671f83e84646066e7095ca0ee6c65cbfb507a47a1a1e3721856019c6f94c520c953f9da3b125f74fe49bb88e89adc96db8f827725f6d
ripemd-160
37dd8c63f581f3f6c1ebb50527bd49c6820957c1
Diameter
42063676
Circumference
132146935.50458
Area
1.3896464698644E+15
Volume
3.896909257528E+22
Surface area
5.5585858794576E+15
Circumference
132146935.50458
Perimeter
84127352
Area
442338209658244
Diagonal
29743510.541234
Surface area
2654029257949464
Volume
9.3031855667422E+21
Space diagonal
36428211.992558
Perimeter
63095514
Area
1.9153806331428E+14
Altitude
18214105.996279
Surface area
1.9153806331428E+14
Volume
1.09639093348E+21
Height
9914503.5137446