20778968 is an even 8-digits composite number following 20778967
and preceding 20778969 . In scientific notation, it is written as 2.0778968 × 10^7.
The sum of its digits is 47. It has a total of 5 prime factors and 16 positive divisors.
There are 8736000 positive integers (up to 20778968) that are relatively prime to 20778968.
20778968 has 16 divisors, whose sum is 39071160
The reverse of 20778968 is 86987702
Previous prime number is 371
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty million seven hundred seventy-eight thousand nine hundred sixty-eight
Scientific notation
2.0778968 × 10^7
Engineering notation
2.0778968 × 10^6
Prime Factorization
2 × 2 × 2 × 371 × 7001
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5194742
Product of the distinct prime numbers
The prime factorization of 20778968 is 2 × 2 × 2 × 371 × 7001.
Since it has a total of 5 prime factors.
4 , 6 , 66 , 64 , 77 , 287 , 8530 , 4554 , 63719 , 61414 , 740259 , 39618 , 1841572 , 6738506 , 32759172 , 17671443 , 304232993 , 209203550 , 3369595986 , 790925975
n×2
41557936
n×3
62336904
n×4
83115872
n×5
103894840
n÷2
10389484
n÷3
6926322.6666667
n÷3
5194742
n÷5
4155793.6
n2
431765511145024
n3
8.9716417395861E+21
n4
1.8642145661432E+29
n5
3.8736454815024E+36
2 √n
4558.3953316929
3 √n
274.92104840981
4 √n
67.515889475685
5 √n
29.075339523788
1 , 2 , 4 , 8 , 371 , 742 , 1484 , 2968 , 7001 , 14002 , 28004 , 56008 , 2597371 , 5194742 , 10389484 , 20778968
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
-20778967
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 20778968 can be divided by 16 positive divisors.
The sum of these divisors (counting 20778968) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010000111111011000
3
Ternary
1110002200101102
4
Quaternary
1033100333120
5
Quinary
20304411333
6
Senary
2021210532
8
Octal
117207730
10
Decimal
20778968
12
Duodecimal
6b60a48
16
Hexadecimal
13d0fd8
20
Vigesimal
69h788
36
Base36
cdd5k
md5
773b9c218d1e460d25107bf42fe2b6e3
sha1
d8cda912002c7b7f73f90fe65bd1f751267ea8a0
sha256
951914d30eefc4adb24d76ac25c56fe489729b4a444870661d9f2db95e263b22
sha512
1186204b344162bbfc28fef567243ce0ca74624e97e27b3cf0dde91742115f6f460ddcf8efce0b3570c42edc49f31464396fc095f50a89bf67bac1dd5629780a
ripemd-160
996debbce73673159f54dfc19370bb9b590cef34
Diameter
41557936
Circumference
130558106.43595
Area
1.3564313578866E+15
Volume
3.7580325039631E+22
Surface area
5.4257254315466E+15
Circumference
130558106.43595
Perimeter
83115872
Area
431765511145024
Diagonal
29385898.357717
Surface area
2590593066870144
Volume
8.9716417395861E+21
Space diagonal
35990228.304848
Perimeter
62336904
Area
1.8695995056478E+14
Altitude
17995114.152424
Surface area
1.8695995056478E+14
Volume
1.0573181187396E+21
Height
9795299.4525722