640426939 is an odd 9-digits composite number following 640426938
and preceding 640426940 . In scientific notation, it is written as 6.40426939 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 605129256 positive integers (up to 640426939) that are relatively prime to 640426939.
640426939 has 8 divisors, whose sum is 675901440
The reverse of 640426939 is 939624046
Previous prime number is 383
Is Prime? no Number parity odd Number length 9 Sum of Digits 43 Digital Root 7
Name
six hundred forty million four hundred twenty-six thousand nine hundred thirty-nine
Scientific notation
6.40426939 × 10^8
Engineering notation
6.40426939 × 10^6
Prime Factorization
19 × 383 × 88007
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
640426939 Product of the distinct prime numbers
The prime factorization of 640426939 is 19 × 383 × 88007.
Since it has a total of 3 prime factors.
2 , 2 , 90 , 65 , 282 , 985 , 8470 , 5887 , 24320 , 66544 , 422143 , 620837 , 5586413 , 6527735 , 59848443 , 89769664 , 45960817 , 556421100 , 4676224008 , 6164463516
n×2
1280853878
n×3
1921280817
n×4
2561707756
n×5
3202134695
n÷2
320213469.5
n÷3
213475646.33333
n÷3
160106734.75
n÷5
128085387.8
n2
410146664196909721
n3
2.6266897269269E+26
n4
1.6822028615185E+35
n5
1.0773280293794E+44
2 √n25306.657997452
3 √n861.96546095749
4 √n159.08066506478
5 √n57.71569349334
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
-640426938 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 640426939 can be divided by 8 positive divisors.
The sum of these divisors (counting 640426939) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001011000010001110111011
3
Ternary
1122122002001121021
4
Quaternary
212023002032323
5
Quinary
2302422130224
6
Senary
143314323311
8
Octal
4613021673
10
Decimal
640426939
12
Duodecimal
15a589537
16
Hexadecimal
262c23bb
20
Vigesimal
a02d76j
36
Base36
alakl7
md5
c54144ab77ad5ba9d335e936debaf93d
sha1
4ef1ae874fc54129c75e5769e5db1d14281255d6
sha256
a108ee91ce89f27f13551fd65e1b7c286f1e7f2af1294ae22c713f6e4c387703
sha512
ab4dcc4e676bd1394bc74bbdaca0a91ce0e8bca7532247fa76d38afce38f8eafd1bf65ed3318ee9aa750823226ab4454ba4f862f59c6b7ee9adb722f9213ce22
ripemd-160
64189df862c108c839e4c7f2897dc7ba4a7ed1d4
Diameter
1280853878
Circumference
4023921133.4468
Area
1.2885137471354E+18
Volume
1.1002652199164E+27
Surface area
5.1540549885415E+18
Circumference
4023921133.4468
Perimeter
2561707756
Area
410146664196909721
Diagonal
905700462.84289
Surface area
2460879985181458326
Volume
2.6266897269269E+26
Space diagonal
1109251996.8838
Perimeter
1921280817
Area
1.7759871523598E+17
Altitude
554625998.44191
Surface area
1.7759871523598E+17
Volume
3.0955835299717E+25
Height
301900154.28096