20403657 is an odd 8-digits composite number following 20403656
and preceding 20403658 . In scientific notation, it is written as 2.0403657 × 10^7.
The sum of its digits is 27. It has a total of 3 prime factors and 8 positive divisors.
There are 13602384 positive integers (up to 20403657) that are relatively prime to 20403657.
20403657 has 8 divisors, whose sum is 28212576
The reverse of 20403657 is 75630402
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million four hundred three thousand six hundred fifty-seven
Scientific notation
2.0403657 × 10^7
Engineering notation
2.0403657 × 10^6
Prime Factorization
27 × 3 × 251897
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20403657
Product of the distinct prime numbers
The prime factorization of 20403657 is 27 × 3 × 251897.
Since it has a total of 3 prime factors.
9 , 6 , 49 , 97 , 13 , 610 , 6059 , 8105 , 10374 , 69019 , 265078 , 645920 , 4623338 , 4951673 , 58919018 , 80351630 , 780285266 , 994057809 , 433928390 , 9989115205
n×2
40807314
n×3
61210971
n×4
81614628
n×5
102018285
n÷2
10201828.5
n÷3
6801219
n÷3
5100914.25
n÷5
4080731.4
n2
416309218973649
n3
8.4942305098762E+21
n4
1.7331336580245E+29
n5
3.5362264693487E+36
2 √n
4517.0407348174
3 √n
273.25576802995
4 √n
67.208933445022
5 √n
28.969540241336
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
-20403656
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 20403657 can be divided by 8 positive divisors.
The sum of these divisors (counting 20403657) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101110101010111001001
3
Ternary
1102101121120000
4
Quaternary
1031311113021
5
Quinary
20210404112
6
Senary
2005153213
8
Octal
115652711
10
Decimal
20403657
12
Duodecimal
69bb809
16
Hexadecimal
13755c9
20
Vigesimal
67a92h
36
Base36
c5bk9
md5
3019108d0822159d73ac980795693853
sha1
aaf079349025f0d99783b77ebcf111f76deaed58
sha256
dce051d06f8fbc5d9150290e27c18c2668df52a175e8a4a8be0f572c2c992747
sha512
d4de7bd259348ed1e6466ebbda0b2651c0b9e8782c58d776b6f2ebe3c849fed012b225a91ccdf58fcdaff4fdae30146fbe7f6622efe6c7fc3d0e18c657b6236d
ripemd-160
1cc355a09126f77dfc56a1b23efa47055cda0aa1
Diameter
40807314
Circumference
128199957.87513
Area
1.3078739839493E+15
Volume
3.5580549556967E+22
Surface area
5.2314959357973E+15
Circumference
128199957.87513
Perimeter
81614628
Area
416309218973649
Diagonal
28855128.451409
Surface area
2497855313841894
Volume
8.4942305098762E+21
Space diagonal
35340170.584208
Perimeter
61210971
Area
1.8026717973042E+14
Altitude
17670085.292104
Surface area
1.8026717973042E+14
Volume
1.0010546657492E+21
Height
9618376.1504696