21698982 is an even 8-digits composite number following 21698981
and preceding 21698983 . In scientific notation, it is written as 2.1698982 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 6918120 positive integers (up to 21698982) that are relatively prime to 21698982.
21698982 has 32 divisors, whose sum is 50319360
The reverse of 21698982 is 28989612
Previous prime number is 23
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-one million six hundred ninety-eight thousand nine hundred eighty-two
Scientific notation
2.1698982 × 10^7
Engineering notation
2.1698982 × 10^6
Prime Factorization
2 × 9 × 3 × 23 × 17471
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21698982
Product of the distinct prime numbers
The prime factorization of 21698982 is 2 × 9 × 3 × 23 × 17471.
Since it has a total of 5 prime factors.
7 , 10 , 75 , 5 , 191 , 477 , 382 , 1762 , 73348 , 66066 , 529332 , 251779 , 847141 , 1612457 , 39421924 , 78057936 , 846312796 , 135568884 , 1901115075 , 3261487568
n×2
43397964
n×3
65096946
n×4
86795928
n×5
108494910
n÷2
10849491
n÷3
7232994
n÷3
5424745.5
n÷5
4339796.4
n2
470845819836324
n3
1.0216874969404E+22
n4
2.2169578605734E+29
n5
4.8105728711341E+36
2 √n
4658.2166115371
3 √n
278.92008348165
4 √n
68.251129012911
5 √n
29.328366305964
1 , 2 , 3 , 6 , 9 , 18 , 23 , 27 , 46 , 54 , 69 , 138 , 207 , 414 , 621 , 1242 , 17471 , 34942 , 52413 , 104826 , 157239 , 314478 , 401833 , 471717 , 803666 , 943434 , 1205499 , 2410998 , 3616497 , 7232994 , 10849491 , 21698982
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
-21698981
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 21698982 can be divided by 32 positive divisors.
The sum of these divisors (counting 21698982) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010110001100110100110
3
Ternary
1111211102102000
4
Quaternary
1102301212212
5
Quinary
21023331412
6
Senary
2053030130
8
Octal
122614646
10
Decimal
21698982
12
Duodecimal
7325346
16
Hexadecimal
14b19a6
20
Vigesimal
6fc792
36
Base36
cx31i
md5
17d83ca7d6b1e4e2a71a8661047c230f
sha1
bdcf3e4af23bf117727f098caf8ff4ec7e2d0352
sha256
61c270f391dc9a683474eedb17f0e9c46c3a40298caa102ec438b215f3d82cfd
sha512
aa2126bb2b3d109d3bb4c125546bb2ff794b7c1274d9022fd15966ddd9b70a18fe90d7f626dd4af7c0b8e0e0780908343dcf64ad124fc07929fdaee4856583a2
ripemd-160
df49afd34769f7c4f9a95437a170a13fe062eb20
Diameter
43397964
Circumference
136338724.88315
Area
1.4792057685713E+15
Volume
4.2796345795365E+22
Surface area
5.916823074285E+15
Circumference
136338724.88315
Perimeter
86795928
Area
470845819836324
Diagonal
30686994.63409
Surface area
2825074919017944
Volume
1.0216874969404E+22
Space diagonal
37583739.296523
Perimeter
65096946
Area
2.0388222062198E+14
Altitude
18791869.648261
Surface area
2.0388222062198E+14
Volume
1.2040702622334E+21
Height
10228998.211363