20797988 is an even 8-digits composite number following 20797987
and preceding 20797989 . In scientific notation, it is written as 2.0797988 × 10^7.
The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors.
There are 9793280 positive integers (up to 20797988) that are relatively prime to 20797988.
20797988 has 24 divisors, whose sum is 38578680
The reverse of 20797988 is 88979702
Previous prime number is 41
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
twenty million seven hundred ninety-seven thousand nine hundred eighty-eight
Scientific notation
2.0797988 × 10^7
Engineering notation
2.0797988 × 10^6
Prime Factorization
2 × 2 × 29 × 41 × 4373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10398994
Product of the distinct prime numbers
The prime factorization of 20797988 is 2 × 2 × 29 × 41 × 4373.
Since it has a total of 5 prime factors.
10 , 5 , 50 , 53 , 731 , 168 , 3481 , 4501 , 44076 , 89053 , 837749 , 715227 , 1877945 , 7662058 , 36250668 , 68788965 , 594731814 , 890969979 , 5226232953 , 375241599
n×2
41595976
n×3
62393964
n×4
83191952
n×5
103989940
n÷2
10398994
n÷3
6932662.6666667
n÷3
5199497
n÷5
4159597.6
n2
432556304848144
n3
8.996300837556E+21
n4
1.8710495686388E+29
n5
3.8914066475955E+36
2 √n
4560.4811149702
3 √n
275.00490569761
4 √n
67.531334319486
5 √n
29.080660390435
1 , 2 , 4 , 29 , 41 , 58 , 82 , 116 , 164 , 1189 , 2378 , 4373 , 4756 , 8746 , 17492 , 126817 , 179293 , 253634 , 358586 , 507268 , 717172 , 5199497 , 10398994 , 20797988
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20797987
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20797988 can be divided by 24 positive divisors.
The sum of these divisors (counting 20797988) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001111010101101000100100
3
Ternary
1110010122110212
4
Quaternary
1033111220210
5
Quinary
20311013423
6
Senary
2021434552
8
Octal
117255044
10
Decimal
20797988
12
Duodecimal
6b6ba58
16
Hexadecimal
13d5a24
20
Vigesimal
69jej8
36
Base36
cdrtw
md5
9810758898d1d7cd0842733265b9cbe1
sha1
e4e7c8b40991746361fde73dde81dd36d4fc8af2
sha256
4f005c829aba65042dea2723e1c3380baf66d0a7bb59bc83cda2474c5dd56706
sha512
0ab31834033b75c22cb4acb594b25a01c821703a9c9ba72e2faa9bd4f14cbddf2511897708d52e3caeff21b0cdc04a6142af21083691dcea5f50de613b09df49
ripemd-160
f6a9dd56022cf42ebb6d54083051035bbed54227
Diameter
41595976
Circumference
130677612.6205
Area
1.3589157095749E+15
Volume
3.7683616827666E+22
Surface area
5.4356628382995E+15
Circumference
130677612.6205
Perimeter
83191952
Area
432556304848144
Diagonal
29412796.699673
Surface area
2595337829088864
Volume
8.996300837556E+21
Space diagonal
36023171.911208
Perimeter
62393964
Area
1.8730237428281E+14
Altitude
18011585.955604
Surface area
1.8730237428281E+14
Volume
1.060224221305E+21
Height
9804265.5665576