20402457 is an odd 8-digits composite number following 20402456
and preceding 20402458 . In scientific notation, it is written as 2.0402457 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13132560 positive integers (up to 20402457) that are relatively prime to 20402457.
20402457 has 8 divisors, whose sum is 28141440
The reverse of 20402457 is 75420402
Previous prime number is 29
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million four hundred two thousand four hundred fifty-seven
Scientific notation
2.0402457 × 10^7
Engineering notation
2.0402457 × 10^6
Prime Factorization
3 × 29 × 234511
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20402457
Product of the distinct prime numbers
The prime factorization of 20402457 is 3 × 29 × 234511.
Since it has a total of 3 prime factors.
3 , 8 , 63 , 89 , 938 , 204 , 2292 , 9742 , 65101 , 25135 , 614015 , 699865 , 9106845 , 4078773 , 94006265 , 36791047 , 366804054 , 618543318 , 4675079707 , 1524486640
n×2
40804914
n×3
61207371
n×4
81609828
n×5
102012285
n÷2
10201228.5
n÷3
6800819
n÷3
5100614.25
n÷5
4080491.4
n2
416260251636849
n3
8.49273188483E+21
n4
1.7327259709277E+29
n5
3.5351867114636E+36
2 √n
4516.9079025369
3 √n
273.25041092901
4 √n
67.207945233706
5 √n
28.969199476284
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
-20402456
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 20402457 can be divided by 8 positive divisors.
The sum of these divisors (counting 20402457) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101000100011001
3
Ternary
1102101112220120
4
Quaternary
1031311010121
5
Quinary
20210334312
6
Senary
2005143453
8
Octal
115650431
10
Decimal
20402457
12
Duodecimal
69bab89
16
Hexadecimal
1375119
20
Vigesimal
67a62h
36
Base36
c5amx
md5
9cf2cab893704a41f1a0c4b36dc03b25
sha1
ec43f7898d825e4886df5b60ac19b3e52564a01d
sha256
4f06857666d478a70261b8e13f83b717ff6b5d00cb5f3a87c9dedb6b01629f1f
sha512
808e7f4c12613efab66e476e7bbfe1142bc3e0eff6c46bcc70b4514ce34cfe9b2517496612100717be62fcf4ddbc99ef3b54250bfc08ef3779d26d40733261cd
ripemd-160
63378fece3cc72ba34a13911a74ccb28c0ba63c8
Diameter
40804914
Circumference
128192418.05276
Area
1.3077201485238E+15
Volume
3.5574272131053E+22
Surface area
5.2308805940951E+15
Circumference
128192418.05276
Perimeter
81609828
Area
416260251636849
Diagonal
28853431.395134
Surface area
2497561509821094
Volume
8.49273188483E+21
Space diagonal
35338092.123239
Perimeter
61207371
Area
1.8024597625161E+14
Altitude
17669046.06162
Surface area
1.8024597625161E+14
Volume
1.0008780510937E+21
Height
9617810.4650446