20478907 is an odd 8-digits composite number following 20478906
and preceding 20478908 . In scientific notation, it is written as 2.0478907 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20446416 positive integers (up to 20478907) that are relatively prime to 20478907.
20478907 has 4 divisors, whose sum is 20511400
The reverse of 20478907 is 70987402
Previous prime number is 643
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million four hundred seventy-eight thousand nine hundred seven
Scientific notation
2.0478907 × 10^7
Engineering notation
2.0478907 × 10^6
Prime Factorization
643 × 31849
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20478907
Product of the distinct prime numbers
The prime factorization of 20478907 is 643 × 31849.
Since it has a total of 2 prime factors.
8 , 4 , 76 , 15 , 504 , 216 , 5788 , 4660 , 90110 , 39136 , 184438 , 686710 , 5599613 , 3488689 , 39950013 , 70442143 , 571251637 , 37467532 , 4747745191 , 1679742932
n×2
40957814
n×3
61436721
n×4
81915628
n×5
102394535
n÷2
10239453.5
n÷3
6826302.3333333
n÷3
5119726.75
n÷5
4095781.4
n2
419385631914649
n3
8.5885593531163E+21
n4
1.7588430825645E+29
n5
3.6019183915432E+36
2 √n
4525.3626374027
3 √n
273.59128418452
4 √n
67.270815643953
5 √n
28.990877093559
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20478906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20478907 can be divided by 4 positive divisors.
The sum of these divisors (counting 20478907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001110000111101110111011
3
Ternary
1102112102210001
4
Quaternary
1032013232323
5
Quinary
20220311112
6
Senary
2010533431
8
Octal
116075673
10
Decimal
20478907
12
Duodecimal
6a37277
16
Hexadecimal
1387bbb
20
Vigesimal
67jh57
36
Base36
c6xmj
md5
bac508bcc19abc57d8d9894891ac9310
sha1
54e6628fd71bc1b34370a18ca2df51876d38f0ef
sha256
2d50c0303e06965e4ff5bd8f1eca327b866d347a6813cb1909bcce5a4da43325
sha512
b5ff0fa998cab18f4d88b1f62e16e054a33902c8735fd7f71232dd6bdcfad2b590307923c058ad4b430d1a64284eb58182dfca0ac16039478cf59e55ccec25b8
ripemd-160
f56e1acb9498e9ac28aba1df70c9efeb49026bcf
Diameter
40957814
Circumference
128672767.5695
Area
1.3175388202442E+15
Volume
3.597567329156E+22
Surface area
5.2701552809767E+15
Circumference
128672767.5695
Perimeter
81915628
Area
419385631914649
Diagonal
28961548.021977
Surface area
2516313791487894
Volume
8.5885593531163E+21
Space diagonal
35470507.407478
Perimeter
61436721
Area
1.8159930561014E+14
Altitude
17735253.703739
Surface area
1.8159930561014E+14
Volume
1.0121714265353E+21
Height
9653849.3406591