664690621 is an odd 9-digits composite number following 664690620
and preceding 664690622 . In scientific notation, it is written as 6.64690621 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 564202800 positive integers (up to 664690621) that are relatively prime to 664690621.
664690621 has 8 divisors, whose sum is 767022464
The reverse of 664690621 is 126096466
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
six hundred sixty-four million six hundred ninety thousand six hundred twenty-one
Scientific notation
6.64690621 × 10^8
Engineering notation
6.64690621 × 10^6
Prime Factorization
7 × 103 × 921901
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664690621
Product of the distinct prime numbers
The prime factorization of 664690621 is 7 × 103 × 921901.
Since it has a total of 3 prime factors.
2 , 10 , 48 , 47 , 399 , 598 , 4055 , 5692 , 2569 , 15088 , 888467 , 445471 , 2995975 , 9404323 , 66443834 , 50494038 , 290301474 , 714882255 , 4555937866 , 908990657
n×2
1329381242
n×3
1994071863
n×4
2658762484
n×5
3323453105
n÷2
332345310.5
n÷3
221563540.33333
n÷3
166172655.25
n÷5
132938124.2
n2
441813621645365641
n3
2.9366937053772E+26
n4
1.9519927627139E+35
n5
1.2974712816358E+44
2 √n
25781.594617091
3 √n
872.71649310358
4 √n
160.56648036589
5 √n
58.146544410581
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
-664690620
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 664690621 can be divided by 8 positive divisors.
The sum of these divisors (counting 664690621) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111100111100101111110111101
3
Ternary
1201022201210010011
4
Quaternary
213213211332331
5
Quinary
2330130044441
6
Senary
145542343221
8
Octal
4747457675
10
Decimal
664690621
12
Duodecimal
16672ab11
16
Hexadecimal
279e5fbd
20
Vigesimal
a7e66b1
36
Base36
azqmkd
md5
36532da7cb7ce82bc67782d10a1a3cfa
sha1
9b6acccc88860665f623a6d092ddb170482b2b0d
sha256
6ae35ca82692cb13bb835df043031b24bb012aec426630822ba9f2aaa66876e0
sha512
ccb83532e563a881c8b59da48e9767836ec3ca0e450931120fbcce5e955c5ab6bc12eab309a88af0fa90b7274a05851636cad311f42ae9b2c454e4d7d4b4d62a
ripemd-160
67032d00bd707933dcc720f1dc4c7169bcf59294
Diameter
1329381242
Circumference
4176374343.6873
Area
1.387998428017E+18
Volume
1.2301193827542E+27
Surface area
5.5519937120679E+18
Circumference
4176374343.6873
Perimeter
2658762484
Area
441813621645365641
Diagonal
940014491.00039
Surface area
2650881729872193846
Volume
2.9366937053772E+26
Space diagonal
1151277926.8865
Perimeter
1994071863
Area
1.9131091004145E+17
Altitude
575638963.44325
Surface area
1.9131091004145E+17
Volume
3.4609267222334E+25
Height
313338163.6668