21682718 is an even 8-digits composite number following 21682717
and preceding 21682719 . In scientific notation, it is written as 2.1682718 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 10203616 positive integers (up to 21682718) that are relatively prime to 21682718.
21682718 has 8 divisors, whose sum is 34437312
The reverse of 21682718 is 81728612
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million six hundred eighty-two thousand seven hundred eighteen
Scientific notation
2.1682718 × 10^7
Engineering notation
2.1682718 × 10^6
Prime Factorization
2 × 17 × 637727
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21682718
Product of the distinct prime numbers
The prime factorization of 21682718 is 2 × 17 × 637727.
Since it has a total of 3 prime factors.
2 , 7 , 62 , 18 , 911 , 466 , 5809 , 3255 , 63813 , 60006 , 741704 , 639044 , 2019109 , 9053403 , 36136861 , 4280978 , 500037547 , 559735705 , 9452831574 , 2829510971
n×2
43365436
n×3
65048154
n×4
86730872
n×5
108413590
n÷2
10841359
n÷3
7227572.6666667
n÷3
5420679.5
n÷5
4336543.6
n2
470140259867524
n3
1.0193918675154E+22
n4
2.210318639483E+29
n5
4.7925715750054E+36
2 √n
4656.4705518236
3 √n
278.85037990315
4 √n
68.238336379366
5 √n
29.323968499441
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
-21682717
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 21682718 can be divided by 8 positive divisors.
The sum of these divisors (counting 21682718) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010101101101000011110
3
Ternary
1111210121002122
4
Quaternary
1102231220132
5
Quinary
21022321333
6
Senary
2052422542
8
Octal
122555036
10
Decimal
21682718
12
Duodecimal
7317a52
16
Hexadecimal
14ada1e
20
Vigesimal
6fa6fi
36
Base36
cwqhq
md5
9469ad160d0be9307a0cbea5da1392e0
sha1
fecf0f742332abaf975ad8e5008f3af15a115ed3
sha256
f420b50b623e2ac94499984a91537bed4d5c26a9aa26e02a07f115ed23b3d507
sha512
343782a38691d6c1c8a03b76a7fe136b640df33285b5f076372d1bb1046c85e3af3bafaea0a5add045f61b508f993876472ae970ff65ea0a8adff659528edea6
ripemd-160
6e584b526c131ba4f7f064ac983e405911a02791
Diameter
43365436
Circumference
136236535.15732
Area
1.4769891865566E+15
Volume
4.2700186694875E+22
Surface area
5.9079567462264E+15
Circumference
136236535.15732
Perimeter
86730872
Area
470140259867524
Diagonal
30663993.864711
Surface area
2820841559205144
Volume
1.0193918675154E+22
Space diagonal
37555569.222188
Perimeter
65048154
Area
2.0357670419355E+14
Altitude
18777784.611094
Surface area
2.0357670419355E+14
Volume
1.201364837011E+21
Height
10221331.288237