640553669 is an odd 9-digits composite number following 640553668
and preceding 640553670 . In scientific notation, it is written as 6.40553669 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 520148736 positive integers (up to 640553669) that are relatively prime to 640553669.
640553669 has 8 divisors, whose sum is 770591040
The reverse of 640553669 is 966355046
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
six hundred forty million five hundred fifty-three thousand six hundred sixty-nine
Scientific notation
6.40553669 × 10^8
Engineering notation
6.40553669 × 10^6
Prime Factorization
7 × 19 × 4816193
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
640553669
Product of the distinct prime numbers
The prime factorization of 640553669 is 7 × 19 × 4816193.
Since it has a total of 3 prime factors.
7 , 9 , 31 , 37 , 97 , 639 , 5857 , 4569 , 6903 , 57860 , 889340 , 20093 , 2363498 , 1624940 , 10149265 , 10868648 , 479376957 , 823579705 , 7673600313 , 5065949689
n×2
1281107338
n×3
1921661007
n×4
2562214676
n×5
3202768345
n÷2
320276834.5
n÷3
213517889.66667
n÷3
160138417.25
n÷5
128110733.8
n2
410309002869361561
n3
2.628249372117E+26
n4
1.6835347783565E+35
n5
1.0783943791654E+44
2 √n
25309.161760122
3 √n
862.02231348904
4 √n
159.08853434526
5 √n
57.717977510612
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
-640553668
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 640553669 can be divided by 8 positive divisors.
The sum of these divisors (counting 640553669) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110001011100001001011000101
3
Ternary
1122122022111102222
4
Quaternary
212023201023011
5
Quinary
2302440204134
6
Senary
143321142125
8
Octal
4613411305
10
Decimal
640553669
12
Duodecimal
15a62a945
16
Hexadecimal
262e12c5
20
Vigesimal
a039439
36
Base36
aldadh
md5
a1a316b629e0dbe987a291efc8ee4a63
sha1
51fd2035a4c027f3ead818f3391fcebd28451e9c
sha256
37863fccb7b03cfd4b0d67bf09332f2aff5e1770d885d7b036713799f91a61ef
sha512
575cddaf3ad831a9e170dee731ca4eaed0906031e96961c39ae562376d8f775962ae533afc8d50ff0215def86744e9c38b63f68ddb7cb3bb642b8f5ec5985805
ripemd-160
3d526445564fdb27ce021d4d18c5cb597aff17e7
Diameter
1281107338
Circumference
4024717401.5208
Area
1.2890237491161E+18
Volume
1.100918522566E+27
Surface area
5.1560949964646E+18
Circumference
4024717401.5208
Perimeter
2562214676
Area
410309002869361561
Diagonal
905879686.12765
Surface area
2461854017216169366
Volume
2.628249372117E+26
Space diagonal
1109471499.6827
Perimeter
1921661007
Area
1.7766900994316E+17
Altitude
554735749.84133
Surface area
1.7766900994316E+17
Volume
3.0974215894554E+25
Height
301959895.37588