20402894 is an even 8-digits composite number following 20402893
and preceding 20402895 . In scientific notation, it is written as 2.0402894 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 9958080 positive integers (up to 20402894) that are relatively prime to 20402894.
20402894 has 16 divisors, whose sum is 31343760
The reverse of 20402894 is 49820402
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million four hundred two thousand eight hundred ninety-four
Scientific notation
2.0402894 × 10^7
Engineering notation
2.0402894 × 10^6
Prime Factorization
2 × 89 × 83 × 1381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20402894
Product of the distinct prime numbers
The prime factorization of 20402894 is 2 × 89 × 83 × 1381.
Since it has a total of 4 prime factors.
8 , 10 , 43 , 89 , 443 , 998 , 300 , 1063 , 5402 , 8780 , 692242 , 580887 , 3975687 , 7689313 , 26239496 , 33008171 , 825879909 , 375235055 , 7226807031 , 689178589
n×2
40805788
n×3
61208682
n×4
81611576
n×5
102014470
n÷2
10201447
n÷3
6800964.6666667
n÷3
5100723.5
n÷5
4080578.8
n2
416278083575236
n3
8.4932776137087E+21
n4
1.7328744286507E+29
n5
3.5355653283071E+36
2 √n
4516.956276078
3 √n
273.25236183092
4 √n
67.208305112374
5 √n
28.969323573413
1 , 2 , 83 , 89 , 166 , 178 , 1381 , 2762 , 7387 , 14774 , 114623 , 122909 , 229246 , 245818 , 10201447 , 20402894
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20402893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20402894 can be divided by 16 positive divisors.
The sum of these divisors (counting 20402894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101110101001011001110
3
Ternary
1102101120111202
4
Quaternary
1031311023032
5
Quinary
20210343034
6
Senary
2005145502
8
Octal
115651316
10
Decimal
20402894
12
Duodecimal
69bb292
16
Hexadecimal
13752ce
20
Vigesimal
67a74e
36
Base36
c5az2
md5
d2a124362d6773454ae07be872c234a2
sha1
731a9a3aebf3278ff92392e8c266f6911f055a7d
sha256
d306295f78dc5e370a932c0c468aa58f7d61057fa8aacd33d34b6bb526577814
sha512
fb62b5900e5cd92e6ed9cbef4005cf3577dab6510c2a072e5380c279caed42fa14c5c737004c70f7c3fb1e859ca92d93f2e12be0e03887f2194a55c10d8296ff
ripemd-160
36cb543b4c7c0553d26b12a1100436835006d38a
Diameter
40805788
Circumference
128195163.80474
Area
1.3077761692104E+15
Volume
3.5576558074834E+22
Surface area
5.2311046768416E+15
Circumference
128195163.80474
Perimeter
81611576
Area
416278083575236
Diagonal
28854049.406461
Surface area
2497668501451416
Volume
8.4932776137087E+21
Space diagonal
35338849.029442
Perimeter
61208682
Area
1.8025369770743E+14
Altitude
17669424.514721
Surface area
1.8025369770743E+14
Volume
1.0009423658589E+21
Height
9618016.4688202