21497718 is an even 8-digits composite number following 21497717
and preceding 21497719 . In scientific notation, it is written as 2.1497718 × 10^7.
The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors.
There are 6514440 positive integers (up to 21497718) that are relatively prime to 21497718.
21497718 has 8 divisors, whose sum is 33223848
The reverse of 21497718 is 81779412
Previous prime number is 33
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million four hundred ninety-seven thousand seven hundred eighteen
Scientific notation
2.1497718 × 10^7
Engineering notation
2.1497718 × 10^6
Prime Factorization
2 × 33 × 325723
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21497718
Product of the distinct prime numbers
The prime factorization of 21497718 is 2 × 33 × 325723.
Since it has a total of 3 prime factors.
7 , 1 , 14 , 77 , 622 , 854 , 2539 , 2717 , 61440 , 72136 , 418132 , 815075 , 5094738 , 9333733 , 35144227 , 26979987 , 282437345 , 283072513 , 7472205843 , 9648347316
n×2
42995436
n×3
64493154
n×4
85990872
n×5
107488590
n÷2
10748859
n÷3
7165906
n÷3
5374429.5
n÷5
4299543.6
n2
462151879207524
n3
9.9352107723734E+21
n4
2.1358435945505E+29
n5
4.5915763287752E+36
2 √n
4636.5631668295
3 √n
278.05505008534
4 √n
68.092313566433
5 √n
29.273757598355
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
-21497717
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 21497718 can be divided by 8 positive divisors.
The sum of these divisors (counting 21497718) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010000000011101110110
3
Ternary
1111110012022210
4
Quaternary
1102000131312
5
Quinary
21000411333
6
Senary
2044434250
8
Octal
122003566
10
Decimal
21497718
12
Duodecimal
7248986
16
Hexadecimal
1480776
20
Vigesimal
6e745i
36
Base36
csrqu
md5
34d8405ec55cbd2e11cc18b2661d3aa3
sha1
dca1a44a456b103d05007f8a1d83ecb1a0f37d8d
sha256
56b3525a61b5d2ced8ca1c8ab86c3a59aecacdcc2d68f81684051c43b33f40ac
sha512
935299cc033267f3a3fcc618758d99360d9cac70f593190f30fc3a50e2df2711bfb5ebc1fea49cedabe99747d113d92a09b2b8df5fd53a408a8cf424679eee65
ripemd-160
8937b5434749db7f95d4ebab9a9c68a7df01e5b2
Diameter
42995436
Circumference
135074145.87549
Area
1.4518929485611E+15
Volume
4.1616513565806E+22
Surface area
5.8075717942443E+15
Circumference
135074145.87549
Perimeter
85990872
Area
462151879207524
Diagonal
30402364.355672
Surface area
2772911275245144
Volume
9.9352107723734E+21
Space diagonal
37235139.822788
Perimeter
64493154
Area
2.0011763390022E+14
Altitude
18617569.911394
Surface area
2.0011763390022E+14
Volume
1.1708758182771E+21
Height
10134121.451891