21708424 is an even 8-digits composite number following 21708423
and preceding 21708425 . In scientific notation, it is written as 2.1708424 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 8 positive divisors.
There are 10854208 positive integers (up to 21708424) that are relatively prime to 21708424.
21708424 has 8 divisors, whose sum is 40703310
The reverse of 21708424 is 42480712
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million seven hundred eight thousand four hundred twenty-four
Scientific notation
2.1708424 × 10^7
Engineering notation
2.1708424 × 10^6
Prime Factorization
2 × 2 × 2 × 2713553
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
5427106
Product of the distinct prime numbers
The prime factorization of 21708424 is 2 × 2 × 2 × 2713553.
Since it has a total of 4 prime factors.
1 , 7 , 29 , 78 , 798 , 323 , 1529 , 2201 , 55001 , 91007 , 800957 , 120370 , 7851217 , 2805787 , 37379931 , 52550046 , 777861856 , 424581082 , 3157074913 , 8362329604
n×2
43416848
n×3
65125272
n×4
86833696
n×5
108542120
n÷2
10854212
n÷3
7236141.3333333
n÷3
5427106
n÷5
4341684.8
n2
471255672563776
n3
1.023021795242E+22
n4
2.2208190892354E+29
n5
4.8210482416415E+36
2 √n
4659.2299792992
3 √n
278.96053363632
4 √n
68.258552426045
5 √n
29.330918225205
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
-21708423
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 21708424 can be divided by 8 positive divisors.
The sum of these divisors (counting 21708424) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010110011111010001000
3
Ternary
1111211220100201
4
Quaternary
1102303322020
5
Quinary
21024132144
6
Senary
2053141544
8
Octal
122637210
10
Decimal
21708424
12
Duodecimal
732a8b4
16
Hexadecimal
14b3e88
20
Vigesimal
6fdb14
36
Base36
cxabs
md5
17f919cfe8f3869cfe67e047f5841bd6
sha1
4895b6a042fa4037f7177198bf18e8a0e1122359
sha256
72f1ce5686816df683787ae4f5f491d085e56ae5ee0a8be1333081e5435b90f2
sha512
4a6ad595358e45f7cea3b5cb7b390e3ec60439db524437dd994285f233382a9c44f882a83bf858593477733bdce13c0483c9c35bf79b8fd125745ba8e7622c11
ripemd-160
747ac45ef83a7a2331a0460368d2ed07753f0886
Diameter
43416848
Circumference
136398050.71882
Area
1.4804933588889E+15
Volume
4.2852236751925E+22
Surface area
5.9219734355555E+15
Circumference
136398050.71882
Perimeter
86833696
Area
471255672563776
Diagonal
30700347.638546
Surface area
2827534035382656
Volume
1.023021795242E+22
Space diagonal
37600093.320248
Perimeter
65125272
Area
2.0405969205888E+14
Altitude
18800046.660124
Surface area
2.0405969205888E+14
Volume
1.205642747862E+21
Height
10233449.212849