20778864 is an even 8-digits composite number following 20778863
and preceding 20778865 . In scientific notation, it is written as 2.0778864 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors.
There are 6926272 positive integers (up to 20778864) that are relatively prime to 20778864.
20778864 has 20 divisors, whose sum is 53678856
The reverse of 20778864 is 46887702
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million seven hundred seventy-eight thousand eight hundred sixty-four
Scientific notation
2.0778864 × 10^7
Engineering notation
2.0778864 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 432893
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2597358
Product of the distinct prime numbers
The prime factorization of 20778864 is 2 × 2 × 2 × 2 × 3 × 432893.
Since it has a total of 6 prime factors.
10 , 5 , 43 , 2 , 905 , 414 , 7588 , 3254 , 55847 , 14401 , 852409 , 231607 , 4393341 , 4676253 , 41805069 , 1602498 , 148935103 , 974456729 , 307591613 , 4020360523
n×2
41557728
n×3
62336592
n×4
83115456
n×5
103894320
n÷2
10389432
n÷3
6926288
n÷3
5194716
n÷5
4155772.8
n2
431761189130496
n3
8.9715070294209E+21
n4
1.8641772443938E+29
n5
3.8735485433154E+36
2 √n
4558.3839241556
3 √n
274.92058974351
4 √n
67.515804995242
5 √n
29.075310418961
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 432893 , 865786 , 1298679 , 1731572 , 2597358 , 3463144 , 5194716 , 6926288 , 10389432 , 20778864
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20778863
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20778864 can be divided by 20 positive divisors.
The sum of these divisors (counting 20778864) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001111010000111101110000
3
Ternary
1110002200020120
4
Quaternary
1033100331300
5
Quinary
20304410424
6
Senary
2021210240
8
Octal
117207560
10
Decimal
20778864
12
Duodecimal
6b60980
16
Hexadecimal
13d0f70
20
Vigesimal
69h734
36
Base36
cdd2o
md5
46c1272b35fa4fcca5a31aff22319761
sha1
f521eaa946d6664cf7703ba2290c57afa2ce6ac4
sha256
e02e7f35473d678918b975d1b064e9238538a384182bdbeab7928d4dcdf78509
sha512
fd03cc81fe27d07ccc18a39ed451d558cf8f8dd3dec54d7dad1f31fc9ad079f523164ef27a0922c32d6c489ad5c27e9a69b7c638a139e6d3f405797ef47a0526
ripemd-160
b907abe0bf2e9b62ffda5276540ab06e7cf11344
Diameter
41557728
Circumference
130557452.98468
Area
1.3564177798776E+15
Volume
3.757976076701E+22
Surface area
5.4256711195102E+15
Circumference
130557452.98468
Perimeter
83115456
Area
431761189130496
Diagonal
29385751.279506
Surface area
2590567134782976
Volume
8.9715070294209E+21
Space diagonal
35990048.171564
Perimeter
62336592
Area
1.8695807907759E+14
Altitude
17995024.085782
Surface area
1.8695807907759E+14
Volume
1.0573022429944E+21
Height
9795250.426502