21298678 is an even 8-digits composite number following 21298677
and preceding 21298679 . In scientific notation, it is written as 2.1298678 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 10425600 positive integers (up to 21298678) that are relatively prime to 21298678.
21298678 has 16 divisors, whose sum is 32626944
The reverse of 21298678 is 87689212
Previous prime number is 1087
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty-one million two hundred ninety-eight thousand six hundred seventy-eight
Scientific notation
2.1298678 × 10^7
Engineering notation
2.1298678 × 10^6
Prime Factorization
2 × 97 × 1087 × 101
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21298678
Product of the distinct prime numbers
The prime factorization of 21298678 is 2 × 97 × 1087 × 101.
Since it has a total of 4 prime factors.
7 , 7 , 85 , 44 , 251 , 652 , 4576 , 3158 , 82460 , 41183 , 833124 , 853623 , 3467261 , 4306073 , 73295529 , 59281346 , 342673387 , 262715894 , 9171936544 , 6496088268
n×2
42597356
n×3
63896034
n×4
85194712
n×5
106493390
n÷2
10649339
n÷3
7099559.3333333
n÷3
5324669.5
n÷5
4259735.6
n2
453633684547684
n3
9.6617977771347E+21
n4
2.0578351975631E+29
n5
4.3829169249962E+36
2 √n
4615.049078829
3 √n
277.19424918331
4 √n
67.934152521607
5 √n
29.219348584839
1 , 2 , 97 , 101 , 194 , 202 , 1087 , 2174 , 9797 , 19594 , 105439 , 109787 , 210878 , 219574 , 10649339 , 21298678
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21298677
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21298678 can be divided by 16 positive divisors.
The sum of these divisors (counting 21298678) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001111110111110110
3
Ternary
1111002002021221
4
Quaternary
1101033313312
5
Quinary
20423024203
6
Senary
2040300554
8
Octal
121176766
10
Decimal
21298678
12
Duodecimal
717175a
16
Hexadecimal
144fdf6
20
Vigesimal
6d26di
36
Base36
coi5y
md5
1fa730e50110c0dd076cd6c4ee523c87
sha1
beb079feb9be9599f12f4b845b24c2089af5c7db
sha256
d0750d21e8d719ef23dc9c71aa2349db70ac08c5bfc25be41703eaa3aaf7890f
sha512
27ee0366f5f04b3cc01ec810ff4dee7edc915964b9a445dc25585c754f20a37e9faac41d6d1ed9f634b22bb4e9cc65b0e1ff01f4b4f976f7ca4d0c7f39a7a1e6
ripemd-160
a682b2078fb0934db9bfed627c7c7fa21222ba4f
Diameter
42597356
Circumference
133823540.67195
Area
1.4251322507959E+15
Volume
4.0471243889489E+22
Surface area
5.7005290031835E+15
Circumference
133823540.67195
Perimeter
85194712
Area
453633684547684
Diagonal
30120879.288217
Surface area
2721802107286104
Volume
9.6617977771347E+21
Space diagonal
36890392.430049
Perimeter
63896034
Area
1.9642914741532E+14
Altitude
18445196.215025
Surface area
1.9642914741532E+14
Volume
1.1386537877775E+21
Height
10040293.096072