20778920 is an even 8-digits composite number following 20778919
and preceding 20778921 . In scientific notation, it is written as 2.0778920 × 10^7.
The sum of its digits is 35. It has a total of 6 prime factors and 32 positive divisors.
There are 8282688 positive integers (up to 20778920) that are relatively prime to 20778920.
20778920 has 32 divisors, whose sum is 46915200
The reverse of 20778920 is 02987702
Previous prime number is 359
Is Prime? no Number parity even Number length 8 Sum of Digits 35 Digital Root 8
Name
twenty million seven hundred seventy-eight thousand nine hundred twenty
Scientific notation
2.0778920 × 10^7
Engineering notation
2.0778920 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 359 × 1447
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
5194730 Product of the distinct prime numbers
The prime factorization of 20778920 is 2 × 2 × 2 × 5 × 359 × 1447.
Since it has a total of 6 prime factors.
1 , 3 , 39 , 55 , 856 , 544 , 9744 , 7085 , 34306 , 78910 , 245874 , 894141 , 6131924 , 5054128 , 48146662 , 58135414 , 797735157 , 399310414 , 2228325564 , 936529249
n×2
41557840
n×3
62336760
n×4
83115680
n×5
103894600
n÷2
10389460
n÷3
6926306.6666667
n÷3
5194730
n÷5
4155784
n2
431763516366400
n3
8.9715795654961E+21
n4
1.8641973406508E+29
n5
3.8736007405595E+36
2 √n4558.3900666792
3 √n274.92083671786
4 √n67.515850484751
5 √n29.075326090805
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 359 , 718 , 1436 , 1447 , 1795 , 2872 , 2894 , 3590 , 5788 , 7180 , 7235 , 11576 , 14360 , 14470 , 28940 , 57880 , 519473 , 1038946 , 2077892 , 2597365 , 4155784 , 5194730 , 10389460 , 20778920
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
-20778919 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 20778920 can be divided by 32 positive divisors.
The sum of these divisors (counting 20778920) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010000111110101000
3
Ternary
1110002200022122
4
Quaternary
1033100332220
5
Quinary
20304411140
6
Senary
2021210412
8
Octal
117207650
10
Decimal
20778920
12
Duodecimal
6b60a08
16
Hexadecimal
13d0fa8
20
Vigesimal
69h760
36
Base36
cdd48
md5
ccf441f9dec27f11f1d6f7b4cc1550e1
sha1
b5dd5820ddca12eb7dc44c352facbebd852d0b8e
sha256
5592dc0ed0b0e0b20c816e05a3e3d2775a6eaec108366fdd91f334dfeaccb195
sha512
54933af64edb7dfe7848da6433a86ebb8687f8c30cfbfa184f893cdc1ccdb637cc39c90de16319c9d17682b3980de8a791fc502040ceb67077c60b867b549e2a
ripemd-160
0682565bb881404027f35c14d801b50ab2542043
Diameter
41557840
Circumference
130557804.84306
Area
1.3564250911048E+15
Volume
3.7580064605412E+22
Surface area
5.4257003644191E+15
Circumference
130557804.84306
Perimeter
83115680
Area
431763516366400
Diagonal
29385830.475466
Surface area
2590581098198400
Volume
8.9715795654961E+21
Space diagonal
35990145.166409
Perimeter
62336760
Area
1.869590868003E+14
Altitude
17995072.583205
Surface area
1.869590868003E+14
Volume
1.0573107914528E+21
Height
9795276.8251552