20993757 is an odd 8-digits composite number following 20993756
and preceding 20993758 . In scientific notation, it is written as 2.0993757 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 13959792 positive integers (up to 20993757) that are relatively prime to 20993757.
20993757 has 8 divisors, whose sum is 28063776
The reverse of 20993757 is 75739902
Previous prime number is 397
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million nine hundred ninety-three thousand seven hundred fifty-seven
Scientific notation
2.0993757 × 10^7
Engineering notation
2.0993757 × 10^6
Prime Factorization
3 × 397 × 17627
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20993757
Product of the distinct prime numbers
The prime factorization of 20993757 is 3 × 397 × 17627.
Since it has a total of 3 prime factors.
4 , 6 , 62 , 20 , 53 , 542 , 2025 , 4053 , 89737 , 90349 , 406822 , 721401 , 201736 , 2326689 , 25282668 , 5884247 , 77786967 , 168999433 , 4369321707 , 7616043058
n×2
41987514
n×3
62981271
n×4
83975028
n×5
104968785
n÷2
10496878.5
n÷3
6997919
n÷3
5248439.25
n÷5
4198751.4
n2
440737832975049
n3
9.2527429661848E+21
n4
1.9424983741554E+29
n5
4.0780338839914E+36
2 √n
4581.8944771786
3 √n
275.86507530362
4 √n
67.689692547526
5 √n
29.135201980836
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20993756
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20993757 can be divided by 8 positive divisors.
The sum of these divisors (counting 20993757) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000101011011011101
3
Ternary
1110111121000120
4
Quaternary
1100011123131
5
Quinary
20333300012
6
Senary
2025545153
8
Octal
120053335
10
Decimal
20993757
12
Duodecimal
70451b9
16
Hexadecimal
14056dd
20
Vigesimal
6b447h
36
Base36
chyvx
md5
f944d76901d3e22149723f0c2d3355fa
sha1
843f66f3ffc458af11cfa1fe711aa7e8d970ff4c
sha256
717e1e2943e62dc600c097b2f42aa946d1dec5cfa491365f1da981003798f91c
sha512
dae54b57a67d4b47d662803309eccfdb9f2c8f568955e2d6bfce89e585353ac6469f35d670f6e8a9cb85e5846c309917d47f7c8aa6f0c480abcabc46e24b5215
ripemd-160
261368f49108727a19703caaccda210d2098a439
Diameter
41987514
Circumference
131907665.5249
Area
1.3846187382335E+15
Volume
3.8757799104161E+22
Surface area
5.538474952934E+15
Circumference
131907665.5249
Perimeter
83975028
Area
440737832975049
Diagonal
29689655.874565
Surface area
2644426997850294
Volume
9.2527429661848E+21
Space diagonal
36362253.765755
Perimeter
62981271
Area
1.9084507988265E+14
Altitude
18181126.882877
Surface area
1.9084507988265E+14
Volume
1.0904462159942E+21
Height
9896551.9581884