20402893 is an odd 8-digits composite number following 20402892
and preceding 20402894 . In scientific notation, it is written as 2.0402893 × 10^7.
The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors.
There are 17459280 positive integers (up to 20402893) that are relatively prime to 20402893.
20402893 has 8 divisors, whose sum is 23356160
The reverse of 20402893 is 39820402
Previous prime number is 709
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million four hundred two thousand eight hundred ninety-three
Scientific notation
2.0402893 × 10^7
Engineering notation
2.0402893 × 10^6
Prime Factorization
7 × 709 × 4111
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20402893
Product of the distinct prime numbers
The prime factorization of 20402893 is 7 × 709 × 4111.
Since it has a total of 3 prime factors.
6 , 3 , 54 , 8 , 691 , 57 , 5131 , 5511 , 36457 , 21531 , 491863 , 739183 , 12901 , 8852917 , 63352557 , 27210606 , 608318337 , 730253912 , 1259064668 , 6959051420
n×2
40805786
n×3
61208679
n×4
81611572
n×5
102014465
n÷2
10201446.5
n÷3
6800964.3333333
n÷3
5100723.25
n÷5
4080578.6
n2
416278042769449
n3
8.4932763648745E+21
n4
1.7328740889196E+29
n5
3.53556446187E+36
2 √n
4516.9561653839
3 √n
273.25235736664
4 √n
67.20830428886
5 √n
28.969323289441
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
-20402892
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 20402893 can be divided by 8 positive divisors.
The sum of these divisors (counting 20402893) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101001011001101
3
Ternary
1102101120111201
4
Quaternary
1031311023031
5
Quinary
20210343033
6
Senary
2005145501
8
Octal
115651315
10
Decimal
20402893
12
Duodecimal
69bb291
16
Hexadecimal
13752cd
20
Vigesimal
67a74d
36
Base36
c5az1
md5
6f6b1d6676c6bb107f753bed47c7215a
sha1
7a34d58fab6efd7ef9cb43bb589bbad2aa73fbfb
sha256
9375931a1c3e4f7fe3bf37a1a238f871b11167ee9538b17fa7d0c6c4c6055b1c
sha512
6dcc5e9b1003ae3329655b57b1695bc2b50ea85c5ec799c236e3e1e4fdcb192b27a78af131c98491cb0e3c7ba87ea34331d03c421b02ec64bc090ccb39a85ae1
ripemd-160
4d828dbd3694fced8e8d82923b834d76424e4958
Diameter
40805786
Circumference
128195157.52156
Area
1.3077760410152E+15
Volume
3.557655284373E+22
Surface area
5.231104164061E+15
Circumference
128195157.52156
Perimeter
81611572
Area
416278042769449
Diagonal
28854047.992247
Surface area
2497668256616694
Volume
8.4932763648745E+21
Space diagonal
35338847.297391
Perimeter
61208679
Area
1.80253680038E+14
Altitude
17669423.648696
Surface area
1.80253680038E+14
Volume
1.0009422186824E+21
Height
9618015.9974157