640475906 is an even 9-digits composite number following 640475905
and preceding 640475907 . In scientific notation, it is written as 6.40475906 × 10^8.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 274489668 positive integers (up to 640475906) that are relatively prime to 640475906.
640475906 has 8 divisors, whose sum is 1097958720
The reverse of 640475906 is 609574046
Previous prime number is 7
Is Prime? no
Number parity even
Number length 9
Sum of Digits 41
Digital Root 5
Name
six hundred forty million four hundred seventy-five thousand nine hundred six
Scientific notation
6.40475906 × 10^8
Engineering notation
6.40475906 × 10^6
Prime Factorization
2 × 7 × 45748279
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
640475906
Product of the distinct prime numbers
The prime factorization of 640475906 is 2 × 7 × 45748279.
Since it has a total of 3 prime factors.
8 , 2 , 18 , 34 , 384 , 88 , 1275 , 3760 , 24827 , 34469 , 433217 , 348590 , 5275884 , 8076871 , 26596958 , 18324478 , 584160798 , 885101247 , 4887062697 , 176695117
n×2
1280951812
n×3
1921427718
n×4
2561903624
n×5
3202379530
n÷2
320237953
n÷3
213491968.66667
n÷3
160118976.5
n÷5
128095181.2
n2
410209386166520836
n3
2.6272922825471E+26
n4
1.6827174049911E+35
n5
1.0777399545037E+44
2 √n
25307.62545163
3 √n
861.98742900436
4 √n
159.08370580179
5 √n
57.716576053944
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
-640475905
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 640475906 can be divided by 8 positive divisors.
The sum of these divisors (counting 640475906) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001011001110001100000010
3
Ternary
1122122011112202212
4
Quaternary
212023032030002
5
Quinary
2302430212111
6
Senary
143315342122
8
Octal
4613161402
10
Decimal
640475906
12
Duodecimal
15a5b1942
16
Hexadecimal
262ce302
20
Vigesimal
a02j9f6
36
Base36
albmde
md5
ba1dc755bd540c9494faa1f55a755c1f
sha1
5aa6f3ace5da0c1448affb39c8d46fcb6b11bd2d
sha256
9c6f3c1c1636fc2d329fde53f4974d74ec718179fe19607981adab90386ab131
sha512
18acc3fe54d14c383118e34f5b3bfc45e50cb34a772d8bb8f44be30f1dc96a4659b62c560e16a1796096cc702713bd5900354d7afbddc17a2b37aefd21e33bc9
ripemd-160
913a7a891a85f3cc4e3842f9e9ec061f4aa0499f
Diameter
1280951812
Circumference
4024228802.1817
Area
1.2887107940143E+18
Volume
1.1005176178244E+27
Surface area
5.1548431760573E+18
Circumference
4024228802.1817
Perimeter
2561903624
Area
410209386166520836
Diagonal
905769712.6384
Surface area
2461256316999125016
Volume
2.6272922825471E+26
Space diagonal
1109336810.2157
Perimeter
1921427718
Area
1.7762587464551E+17
Altitude
554668405.10785
Surface area
1.7762587464551E+17
Volume
3.0962936485802E+25
Height
301923237.54613