20778840 is an even 8-digits composite number following 20778839
and preceding 20778841 . In scientific notation, it is written as 2.0778840 × 10^7.
The sum of its digits is 36. It has a total of 6 prime factors and 32 positive divisors.
There are 5540928 positive integers (up to 20778840) that are relatively prime to 20778840.
20778840 has 32 divisors, whose sum is 51948000
The reverse of 20778840 is 04887702
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million seven hundred seventy-eight thousand eight hundred forty
Scientific notation
2.0778840 × 10^7
Engineering notation
2.0778840 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 5 × 57719
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5194710
Product of the distinct prime numbers
The prime factorization of 20778840 is 2 × 2 × 2 × 9 × 5 × 57719.
Since it has a total of 6 prime factors.
9 , 3 , 37 , 53 , 699 , 828 , 8400 , 8461 , 80157 , 35527 , 769992 , 506517 , 1417583 , 2174901 , 82474134 , 75980053 , 202245796 , 417641257 , 7033646490 , 1997309453
n×2
41557680
n×3
62336520
n×4
83115360
n×5
103894200
n÷2
10389420
n÷3
6926280
n÷3
5194710
n÷5
4155768
n2
431760191745600
n3
8.9714759426511E+21
n4
1.864168631762E+29
n5
3.8735261732401E+36
2 √n
4558.3812916429
3 √n
274.92048389723
4 √n
67.51578549971
5 √n
29.075303702445
1 , 2 , 4 , 5 , 8 , 9 , 10 , 18 , 20 , 36 , 40 , 45 , 72 , 90 , 180 , 360 , 57719 , 115438 , 230876 , 288595 , 461752 , 519471 , 577190 , 1038942 , 1154380 , 2077884 , 2308760 , 2597355 , 4155768 , 5194710 , 10389420 , 20778840
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
-20778839
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 20778840 can be divided by 32 positive divisors.
The sum of these divisors (counting 20778840) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010000111101011000
3
Ternary
1110002200012200
4
Quaternary
1033100331120
5
Quinary
20304410330
6
Senary
2021210200
8
Octal
117207530
10
Decimal
20778840
12
Duodecimal
6b60960
16
Hexadecimal
13d0f58
20
Vigesimal
69h720
36
Base36
cdd20
md5
82586c234a14520eaf0aeb789d4a97a9
sha1
81c337c8010e777ecaa423ef17398a222352269e
sha256
0c903e4a8c6f59b1d21a7938e35af3723fe13c735ad82d79290ba8a6f7faa426
sha512
0642f09708b3091c6b1f7f2e566e836e120562ff6b4034ab51f7f6bce39e03fd43a8df3a60c96879a63d9984f32f388b56fc8c778520af97de63036b4e032c34
ripemd-160
8834a02bbfe179e4848253e3c045196cb4b5babb
Diameter
41557680
Circumference
130557302.18824
Area
1.3564146465005E+15
Volume
3.7579630551054E+22
Surface area
5.425658586002E+15
Circumference
130557302.18824
Perimeter
83115360
Area
431760191745600
Diagonal
29385717.338381
Surface area
2590561150473600
Volume
8.9714759426511E+21
Space diagonal
35990006.602344
Perimeter
62336520
Area
1.8695764719726E+14
Altitude
17995003.301172
Surface area
1.8695764719726E+14
Volume
1.0572985793834E+21
Height
9795239.1127935