21031382 is an even 8-digits composite number following 21031381
and preceding 21031383 . In scientific notation, it is written as 2.1031382 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 10498792 positive integers (up to 21031382) that are relatively prime to 21031382.
21031382 has 8 divisors, whose sum is 31597776
The reverse of 21031382 is 28313012
Previous prime number is 16253
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty-one million thirty-one thousand three hundred eighty-two
Scientific notation
2.1031382 × 10^7
Engineering notation
2.1031382 × 10^6
Prime Factorization
2 × 16253 × 647
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21031382
Product of the distinct prime numbers
The prime factorization of 21031382 is 2 × 16253 × 647.
Since it has a total of 3 prime factors.
10 , 6 , 47 , 31 , 592 , 36 , 7796 , 9882 , 99184 , 19400 , 116140 , 769032 , 7034944 , 7519445 , 90383213 , 55772858 , 548140217 , 477742315 , 1462862739 , 7847536193
n×2
42062764
n×3
63094146
n×4
84125528
n×5
105156910
n÷2
10515691
n÷3
7010460.6666667
n÷3
5257845.5
n÷5
4206276.4
n2
442319028829924
n3
9.3025804611911E+21
n4
1.9564612326505E+29
n5
4.1147083552063E+36
2 √n
4585.9984736151
3 √n
276.02977869551
4 √n
67.720000543526
5 √n
29.145637721007
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
-21031381
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 21031382 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031382) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110100111010110
3
Ternary
1110120111122002
4
Quaternary
1100032213112
5
Quinary
20341001012
6
Senary
2030435302
8
Octal
120164726
10
Decimal
21031382
12
Duodecimal
7062b32
16
Hexadecimal
140e9d6
20
Vigesimal
6b8i92
36
Base36
cirx2
md5
bb53e5738c2abb75bf264cbbd46780bb
sha1
1775bffab704d6c67e920e286ca4e4d17c92d56d
sha256
b549bf513aa0ec7519b9fe5961c9ef74d475d39a3ee281aaa53e5435005470c4
sha512
97567c679f43e6b53dfece18e51aebd36bb57d008268f68b81399a54d1f8492e190ba0a5ea128101fa2f3b9822538f91624990323a0d05baaada3d8ff4e5f78f
ripemd-160
62e5bf43dfc7530f40ec402e331f5e3a058b9150
Diameter
42062764
Circumference
132144070.37208
Area
1.3895862115151E+15
Volume
3.8966557915075E+22
Surface area
5.5583448460602E+15
Circumference
132144070.37208
Perimeter
84125528
Area
442319028829924
Diagonal
29742865.659849
Surface area
2653914172979544
Volume
9.3025804611911E+21
Space diagonal
36427422.17739
Perimeter
63094146
Area
1.9152975777199E+14
Altitude
18213711.088695
Surface area
1.9152975777199E+14
Volume
1.096319621107E+21
Height
9914288.5532831