640525345 is an odd 9-digits composite number following 640525344
and preceding 640525346 . In scientific notation, it is written as 6.40525345 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 512329584 positive integers (up to 640525345) that are relatively prime to 640525345.
640525345 has 8 divisors, whose sum is 768766464
The reverse of 640525345 is 543525046
Previous prime number is 11987
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
six hundred forty million five hundred twenty-five thousand three hundred forty-five
Scientific notation
6.40525345 × 10^8
Engineering notation
6.40525345 × 10^6
Prime Factorization
5 × 11987 × 10687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
640525345
Product of the distinct prime numbers
The prime factorization of 640525345 is 5 × 11987 × 10687.
Since it has a total of 3 prime factors.
1 , 10 , 13 , 83 , 584 , 753 , 7612 , 4374 , 41500 , 40235 , 843224 , 202163 , 5001325 , 9499649 , 35004605 , 82191638 , 4367634 , 299656630 , 1892922611 , 7785134637
n×2
1281050690
n×3
1921576035
n×4
2562101380
n×5
3202626725
n÷2
320262672.5
n÷3
213508448.33333
n÷3
160131336.25
n÷5
128105069
n2
410272717587369025
n3
2.6279007397674E+26
n4
1.6832370279653E+35
n5
1.0781559780542E+44
2 √n
25308.602193721
3 √n
862.0096076685
4 √n
159.08677567202
5 √n
57.717467066916
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
-640525344
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 640525345 can be divided by 8 positive divisors.
The sum of these divisors (counting 640525345) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001011011010010000100001
3
Ternary
1122122021001120221
4
Quaternary
212023122100201
5
Quinary
2302433302340
6
Senary
143320403041
8
Octal
4613322041
10
Decimal
640525345
12
Duodecimal
15a616481
16
Hexadecimal
262da421
20
Vigesimal
a035d75
36
Base36
alcoip
md5
86ffe19f69719aed7540a5995725ac53
sha1
1b6f6e2062bd8e824e0d04f3133bef9c49c12ae3
sha256
ae67c4eb02c357809b44cdaa2effe8fdc5ef70d39c8b41b6c145b2a51577342d
sha512
c74f0d2544103282a908935786f39970996d3d9bfc7ad84630b21b08b8f7158d7cfa675e490fbe193aa99ab4f3802788291cb15c35e1ac1914e7169a290af872
ripemd-160
fab12d36d5440fe63a500d2c18e9e80148eaa8ae
Diameter
1281050690
Circumference
4024539436.5801
Area
1.2889097555408E+18
Volume
1.1007724877888E+27
Surface area
5.1556390221632E+18
Circumference
4024539436.5801
Perimeter
2562101380
Area
410272717587369025
Diagonal
905839629.94271
Surface area
2461636305524214150
Volume
2.6279007397674E+26
Space diagonal
1109422441.0756
Perimeter
1921576035
Area
1.7765329795517E+17
Altitude
554711220.53779
Surface area
1.7765329795517E+17
Volume
3.0970107222911E+25
Height
301946543.31424