20402884 is an even 8-digits composite number following 20402883
and preceding 20402885 . In scientific notation, it is written as 2.0402884 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 9664488 positive integers (up to 20402884) that are relatively prime to 20402884.
20402884 has 12 divisors, whose sum is 37584400
The reverse of 20402884 is 48820402
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred two thousand eight hundred eighty-four
Scientific notation
2.0402884 × 10^7
Engineering notation
2.0402884 × 10^6
Prime Factorization
2 × 2 × 19 × 268459
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10201442
Product of the distinct prime numbers
The prime factorization of 20402884 is 2 × 2 × 19 × 268459.
Since it has a total of 4 prime factors.
6 , 3 , 83 , 95 , 525 , 699 , 3833 , 9988 , 85704 , 71997 , 575393 , 887978 , 8221005 , 5459500 , 26557974 , 68492604 , 986755646 , 122146285 , 9365702351 , 5482740423
n×2
40805768
n×3
61208652
n×4
81611536
n×5
102014420
n÷2
10201442
n÷3
6800961.3333333
n÷3
5100721
n÷5
4080576.8
n2
416277675517456
n3
8.4932651253723E+21
n4
1.7328710313422E+29
n5
3.5355566639435E+36
2 √n
4516.9551691377
3 √n
273.25231718817
4 √n
67.208296877229
5 √n
28.969320733686
1 , 2 , 4 , 19 , 38 , 76 , 268459 , 536918 , 1073836 , 5100721 , 10201442 , 20402884
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20402883
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402884 can be divided by 12 positive divisors.
The sum of these divisors (counting 20402884) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101110101001011000100
3
Ternary
1102101120111101
4
Quaternary
1031311023010
5
Quinary
20210343014
6
Senary
2005145444
8
Octal
115651304
10
Decimal
20402884
12
Duodecimal
69bb284
16
Hexadecimal
13752c4
20
Vigesimal
67a744
36
Base36
c5ays
md5
2e79f38c42cf695e6726e410cb54dc7c
sha1
e3a09b09fcf55fdc2771546ed15857b5b5aa6655
sha256
c8e04f30e7697c85d4bfbd57c4398a48de624b773ec38162668d9c709be50d6b
sha512
449e51906510a8997de7115f86b64f16968ab684d9094efefa784c172e7cfe9e428cb77bf5380ac357cf9c2ec83da87259e8bd85ce596007c07fd68ea38d3090
ripemd-160
41cd1c8d9cf8d4cae6e54eb73a38fb081c759857
Diameter
40805768
Circumference
128195100.97289
Area
1.3077748872591E+15
Volume
3.5576505763813E+22
Surface area
5.2310995490363E+15
Circumference
128195100.97289
Perimeter
81611536
Area
416277675517456
Diagonal
28854035.264325
Surface area
2497666053104736
Volume
8.4932651253723E+21
Space diagonal
35338831.708934
Perimeter
61208652
Area
1.8025352101323E+14
Altitude
17669415.854467
Surface area
1.8025352101323E+14
Volume
1.0009408940943E+21
Height
9618011.754775