21031664 is an even 8-digits composite number following 21031663
and preceding 21031665 . In scientific notation, it is written as 2.1031664 × 10^7.
The sum of its digits is 23. It has a total of 5 prime factors and 10 positive divisors.
There are 10515824 positive integers (up to 21031664) that are relatively prime to 21031664.
21031664 has 10 divisors, whose sum is 40748880
The reverse of 21031664 is 46613012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million thirty-one thousand six hundred sixty-four
Scientific notation
2.1031664 × 10^7
Engineering notation
2.1031664 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 1314479
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
2628958
Product of the distinct prime numbers
The prime factorization of 21031664 is 2 × 2 × 2 × 2 × 1314479.
Since it has a total of 5 prime factors.
8 , 1 , 37 , 77 , 166 , 425 , 3339 , 1281 , 27769 , 49330 , 305743 , 77414 , 1541324 , 7206420 , 9864411 , 14915935 , 410480719 , 228741332 , 5847184340 , 8702139670
n×2
42063328
n×3
63094992
n×4
84126656
n×5
105158320
n÷2
10515832
n÷3
7010554.6666667
n÷3
5257916
n÷5
4206332.8
n2
442330890608896
n3
9.3029546681071E+21
n4
1.9565661678686E+29
n5
4.114984223638E+36
2 √n
4586.0292192702
3 √n
276.03101240822
4 √n
67.720227548866
5 √n
29.145715880642
10 divisors
τ
Total Divisors
10
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031663
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.1
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
10
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031664 can be divided by 10 positive divisors.
The sum of these divisors (counting 21031664) is 1, the average is 0.1.
Base
System
Value
2
Binary
1010000001110101011110000
3
Ternary
1110120112000112
4
Quaternary
1100032223300
5
Quinary
20341003124
6
Senary
2030440452
8
Octal
120165360
10
Decimal
21031664
12
Duodecimal
7063128
16
Hexadecimal
140eaf0
20
Vigesimal
6b8j34
36
Base36
cis4w
md5
671145dab25715d919ba32b1d0cecd43
sha1
4ad61c44e991fbeec1a91e422bd9632623e76f23
sha256
1a2d50ff6adc2062e34e3bb9224654d27b71d6c2cf558ff08e00290918289fd3
sha512
f6f0078874b100886aa938c5faea7be89cb0b3d2d04cb23240f89a7d04c76f710a0466ce9662de1aad69bcfde4da1fe9151582530696ff8d51ed7509f0236e90
ripemd-160
313fee64c051d641c0ec34538927ea83171953b2
Diameter
42063328
Circumference
132145842.23034
Area
1.3896234763927E+15
Volume
3.8968125389339E+22
Surface area
5.558493905571E+15
Circumference
132145842.23034
Perimeter
84126656
Area
442330890608896
Diagonal
29743264.468074
Surface area
2653985343653376
Volume
9.3029546681071E+21
Space diagonal
36427910.615717
Perimeter
63094992
Area
1.9153489407295E+14
Altitude
18213955.307859
Surface area
1.9153489407295E+14
Volume
1.0963637218149E+21
Height
9914421.489358