640445265 is an odd 9-digits composite number following 640445264
and preceding 640445266 . In scientific notation, it is written as 6.40445265 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 334300032 positive integers (up to 640445265) that are relatively prime to 640445265.
640445265 has 16 divisors, whose sum is 775203840
The reverse of 640445265 is 562544046
Previous prime number is 47
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 36
Digital Root 9
Name
six hundred forty million four hundred forty-five thousand two hundred sixty-five
Scientific notation
6.40445265 × 10^8
Engineering notation
6.40445265 × 10^6
Prime Factorization
15 × 9 × 47 × 100937
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
640445265
Product of the distinct prime numbers
The prime factorization of 640445265 is 15 × 9 × 47 × 100937.
Since it has a total of 4 prime factors.
5 , 9 , 59 , 45 , 109 , 943 , 7563 , 2555 , 59049 , 73809 , 381766 , 305363 , 6327448 , 6086573 , 22477736 , 92773069 , 992893583 , 704419660 , 9213219892 , 8869032284
n×2
1280890530
n×3
1921335795
n×4
2561781060
n×5
3202226325
n÷2
320222632.5
n÷3
213481755
n÷3
160111316.25
n÷5
128089053
n2
410170137460920225
n3
2.6269152238125E+26
n4
1.6823954166471E+35
n5
1.0774821784493E+44
2 √n
25307.020073489
3 √n
861.97368267512
4 √n
159.08180308725
5 √n
57.716023799774
1 , 9 , 15 , 47 , 135 , 423 , 705 , 6345 , 100937 , 908433 , 1514055 , 4744039 , 13626495 , 42696351 , 71160585 , 640445265
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-640445264
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 640445265 can be divided by 16 positive divisors.
The sum of these divisors (counting 640445265) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110001011000110101101010001
3
Ternary
1122122002222202000
4
Quaternary
212023012231101
5
Quinary
2302423222030
6
Senary
143314544213
8
Octal
4613065521
10
Decimal
640445265
12
Duodecimal
15a598069
16
Hexadecimal
262c6b51
20
Vigesimal
a02fd35
36
Base36
alayq9
md5
20db4995f7114bf4c80e7a652f8e3caa
sha1
d5432381cb63c43a8791b6dc5f2fe09d235b85c2
sha256
238b61b702a35666c23d755da7a5d6c7ab1319b8b6f6b3276bf4d36529264d7f
sha512
2e2d37ab640ce81d75f792d5c79b264b8d9b6b141933317ba9b9ffacfc9fd07aa31fa014217a91e29087a97fc6724e9a9098c8fe64c4619701f519e05d50defd
ripemd-160
30df7991345a5585c3bbebedb77b2af3523a8d45
Diameter
1280890530
Circumference
4024036279.1007
Area
1.2885874905691E+18
Volume
1.100359675831E+27
Surface area
5.1543499622766E+18
Circumference
4024036279.1007
Perimeter
2561781060
Area
410170137460920225
Diagonal
905726379.72063
Surface area
2461020824765521350
Volume
2.6269152238125E+26
Space diagonal
1109283738.4469
Perimeter
1921335795
Area
1.7760887945746E+17
Altitude
554641869.22346
Surface area
1.7760887945746E+17
Volume
3.0958492805999E+25
Height
301908793.24021