664697921 (number)

664697921 is an odd 9-digits composite number following 664697920 and preceding 664697922. In scientific notation, it is written as 6.64697921 × 10^8. The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors. There are 662135040 positive integers (up to 664697921) that are relatively prime to 664697921.

Interesting facts

Basic properties

Name

Name six hundred sixty-four million six hundred ninety-seven thousand nine hundred twenty-one

Notation

Scientific notation 6.64697921 × 10^8
Engineering notation 6.64697921 × 10^6

Prime Factorization of 664697921

Prime Factorization 461 × 1429 × 1009

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 664697921
Product of the distinct prime numbers

The prime factorization of 664697921 is 461 × 1429 × 1009. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 1, 75, 36, 256, 734, 279, 7022, 25984, 88714, 138357, 74353, 2469886, 1434351, 82759366, 91965777, 601480118, 705599494, 1890609857, 7068392592

Basic calculations (n = 664697921)

Multiplication

n×y
n×2 1329395842
n×3 1994093763
n×4 2658791684
n×5 3323489605

Division

n÷y
n÷2 332348960.5
n÷3 221565973.66667
n÷3 166174480.25
n÷5 132939584.2

Exponentiation

ny
n2 441823326181722241
n3 2.936790463623E+26
n4 1.9520785155828E+35
n5 1.2975425309367E+44

Nth Root

y√n
2√n 25781.736190567
3√n 872.71968797695
4√n 160.56692122155
5√n 58.146672129521

Divisors of 664697921

1, 461, 1009, 1429, 465149, 658769, 1441861, 664697921

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 -664697920
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 664697921 can be divided by 8 positive divisors. The sum of these divisors (counting 664697921) is 1, the average is 0.125.

Base conversion 664697921

Base System Value
2 Binary 100111100111100111110001000001
3 Ternary 1201022202011010112
4 Quaternary 213213213301001
5 Quinary 2330130313141
6 Senary 145542441105
8 Octal 4747476101
10 Decimal 664697921
12 Duodecimal 166733195
16 Hexadecimal 279e7c41
20 Vigesimal a7e74g1
36 Base36 azqs75

Cryptographic Hash Functions

md5 2aefc73f654b6a85a804736c5983d80c
sha1 1961a2d3ce3a956251fa5bbb7a920c8eb1c7d0a3
sha256 f51803f924c7357a066ce48563de2f220a4f4629c6704cb901e11c5474c41513
sha512 a4dbbe5b593e843643a5ac552a423fa46d9d59500813b283ce156fc47cd68946c2a97b227fb0d73525408a68db317447b714e469865ec19abcad4617c062317d
ripemd-160 7a88c9fec5d3deb7885993232ab1f5cca39d7700

664697921 as geometric shapes

Circle

Radius = n
Diameter 1329395842
Circumference 4176420210.94
Area 1.3880289157171E+18

Sphere

Radius = n
Volume 1.2301599127534E+27
Surface area 5.5521156628684E+18
Circumference 4176420210.94

Square

Length = n
Perimeter 2658791684
Area 441823326181722241
Diagonal 940024814.7594

Cube

Length = n
Surface area 2650939957090333446
Volume 2.936790463623E+26
Space diagonal 1151290570.8574

Equilateral Triangle

Length = n
Perimeter 1994093763
Area 1.9131511222895E+17
Altitude 575645285.4287

Triangular Pyramid

Length = n
Surface area 1.9131511222895E+17
Volume 3.4610407529196E+25
Height 313341604.9198