21693640 is an even 8-digits composite number following 21693639
and preceding 21693641 . In scientific notation, it is written as 2.1693640 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors.
There are 8630272 positive integers (up to 21693640) that are relatively prime to 21693640.
21693640 has 32 divisors, whose sum is 49076280
The reverse of 21693640 is 04639612
Previous prime number is 197
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million six hundred ninety-three thousand six hundred forty
Scientific notation
2.1693640 × 10^7
Engineering notation
2.1693640 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 197 × 2753
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5423410
Product of the distinct prime numbers
The prime factorization of 21693640 is 2 × 2 × 2 × 5 × 197 × 2753.
Since it has a total of 6 prime factors.
7 , 6 , 33 , 68 , 643 , 213 , 2336 , 1683 , 64071 , 59777 , 528896 , 162194 , 1025493 , 6703672 , 45894824 , 94513713 , 682150937 , 37569266 , 350331622 , 4970459637
n×2
43387280
n×3
65080920
n×4
86774560
n×5
108468200
n÷2
10846820
n÷3
7231213.3333333
n÷3
5423410
n÷5
4338728
n2
470614016449600
n3
1.0209331051812E+22
n4
2.2147755247882E+29
n5
4.8046542915567E+36
2 √n
4657.6431808373
3 √n
278.89719280142
4 √n
68.246927995605
5 √n
29.326922113206
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 197 , 394 , 788 , 985 , 1576 , 1970 , 2753 , 3940 , 5506 , 7880 , 11012 , 13765 , 22024 , 27530 , 55060 , 110120 , 542341 , 1084682 , 2169364 , 2711705 , 4338728 , 5423410 , 10846820 , 21693640
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21693639
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21693640 can be divided by 32 positive divisors.
The sum of these divisors (counting 21693640) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010110000010011001000
3
Ternary
1111211011002011
4
Quaternary
1102300103020
5
Quinary
21023144030
6
Senary
2052545304
8
Octal
122602310
10
Decimal
21693640
12
Duodecimal
7322234
16
Hexadecimal
14b04c8
20
Vigesimal
6fbe20
36
Base36
cwyx4
md5
27e17bb633bfd979eb8db5bb3caf86b8
sha1
1b1e3521b75ec12a56e1d5d0e2deed2dadb262ee
sha256
3dc7550a05375fc55cd687848c1112c9f31bbb8439029f3c8c9ae521477f0db9
sha512
28220be00227098c644cbc834f946a36bf2d5a4b3833d2daed8331a9d077c3a2a80c51c509d879579f92ae47ed1bc5e220e19ae173d1a906cfe727a0780fc1d6
ripemd-160
44606d8e262544ffbac3d1b80effd087c43dd947
Diameter
43387280
Circumference
136305160.10724
Area
1.4784775367544E+15
Volume
4.276474590725E+22
Surface area
5.9139101470178E+15
Circumference
136305160.10724
Perimeter
86774560
Area
470614016449600
Diagonal
30679439.905239
Surface area
2823684098697600
Volume
1.0209331051812E+22
Space diagonal
37574486.681108
Perimeter
65080920
Area
2.0378184681119E+14
Altitude
18787243.340554
Surface area
2.0378184681119E+14
Volume
1.2031812030191E+21
Height
10226479.968413