20457855 is an odd 8-digits composite number following 20457854
and preceding 20457856 . In scientific notation, it is written as 2.0457855 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 9642240 positive integers (up to 20457855) that are relatively prime to 20457855.
20457855 has 32 divisors, whose sum is 30588480
The reverse of 20457855 is 55875402
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million four hundred fifty-seven thousand eight hundred fifty-five
Scientific notation
2.0457855 × 10^7
Engineering notation
2.0457855 × 10^6
Prime Factorization
9 × 5 × 11 × 37 × 1117
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20457855
Product of the distinct prime numbers
The prime factorization of 20457855 is 9 × 5 × 11 × 37 × 1117.
Since it has a total of 5 prime factors.
1 , 5 , 43 , 68 , 123 , 453 , 2662 , 9541 , 36824 , 8163 , 58949 , 630757 , 7806325 , 1824330 , 37524036 , 26872131 , 963124299 , 104231683 , 8704436621 , 7556293832
n×2
40915710
n×3
61373565
n×4
81831420
n×5
102289275
n÷2
10228927.5
n÷3
6819285
n÷3
5114463.75
n÷5
4091571
n2
418523831201025
n3
8.562099852755E+21
n4
1.7516219728318E+29
n5
3.5834428335008E+36
2 √n
4523.0360378843
3 √n
273.49750283752
4 √n
67.253520635609
5 √n
28.984914206403
1 , 5 , 9 , 11 , 37 , 45 , 55 , 99 , 185 , 333 , 407 , 495 , 1117 , 1665 , 2035 , 3663 , 5585 , 10053 , 12287 , 18315 , 41329 , 50265 , 61435 , 110583 , 206645 , 371961 , 454619 , 552915 , 1859805 , 2273095 , 4091571 , 20457855
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20457854
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20457855 can be divided by 32 positive divisors.
The sum of these divisors (counting 20457855) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001110000010100101111111
3
Ternary
1102111100220100
4
Quaternary
1032002211333
5
Quinary
20214122410
6
Senary
2010252143
8
Octal
116024577
10
Decimal
20457855
12
Duodecimal
6a27053
16
Hexadecimal
138297f
20
Vigesimal
67h4cf
36
Base36
c6hdr
md5
4c5fdf8a1a060d69dd0daa8771b6c1f0
sha1
b422f43bb6f2325776fa8cacb5bf7d58faa95694
sha256
96c8a44f510e7a5939f7f066eb5fa9d0f09e5eb91398e72a8f751c432244240b
sha512
39bcc17f24f481a083dbbe88b2b17eec106cf2a7402a6e426559e44a6ac121b0d0f5e8736d6c62812a3b6658051031cb431dcc64b84c211e8673793dcb8876d2
ripemd-160
8471f9d00877371f004caf7be2dfdc8f09c05b72
Diameter
40915710
Circumference
128540493.95241
Area
1.3148313934534E+15
Volume
3.5864839995623E+22
Surface area
5.2593255738136E+15
Circumference
128540493.95241
Perimeter
81831420
Area
418523831201025
Diagonal
28931775.998062
Surface area
2511142987206150
Volume
8.562099852755E+21
Space diagonal
35434044.273877
Perimeter
61373565
Area
1.8122613495464E+14
Altitude
17717022.136938
Surface area
1.8122613495464E+14
Volume
1.0090531445132E+21
Height
9643925.3326874