664650981 (number)

664650981 is an odd 9-digits composite number following 664650980 and preceding 664650982. In scientific notation, it is written as 6.64650981 × 10^8. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 443100636 positive integers (up to 664650981) that are relatively prime to 664650981.

Interesting facts

Basic properties

Name

Name six hundred sixty-four million six hundred fifty thousand nine hundred eighty-one

Notation

Scientific notation 6.64650981 × 10^8
Engineering notation 6.64650981 × 10^6

Prime Factorization of 664650981

Prime Factorization 3 × 9 × 24616703

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 664650981
Product of the distinct prime numbers

The prime factorization of 664650981 is 3 × 9 × 24616703. Since it has a total of 3 prime factors.

Most popular turbo-numbers

4, 6, 40, 32, 812, 378, 8555, 522, 99112, 1068, 368969, 749837, 703608, 8467546, 24314291, 46132708, 723353819, 646797679, 5793715367, 6435862500

Basic calculations (n = 664650981)

Multiplication

n×y
n×2 1329301962
n×3 1993952943
n×4 2658603924
n×5 3323254905

Division

n÷y
n÷2 332325490.5
n÷3 221550327
n÷3 166162745.25
n÷5 132930196.2

Exponentiation

ny
n2 441760926544262361
n3 2.9361683319511E+26
n4 1.9515271622125E+35
n5 1.2970844428127E+44

Nth Root

y√n
2√n 25780.825840147
3√n 872.69914409518
4√n 160.56408639589
5√n 58.145850859646

Divisors of 664650981

1, 3, 9, 27, 24616703, 73850109, 221550327, 664650981

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 -664650980
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 664650981 can be divided by 8 positive divisors. The sum of these divisors (counting 664650981) is 1, the average is 0.125.

Base conversion 664650981

Base System Value
2 Binary 100111100111011100010011100101
3 Ternary 1201022122202202000
4 Quaternary 213213130103211
5 Quinary 2330122312411
6 Senary 145541435513
8 Octal 4747342345
10 Decimal 664650981
12 Duodecimal 16670bb99
16 Hexadecimal 279dc4e5
20 Vigesimal a7e1791
36 Base36 azprz9

Cryptographic Hash Functions

md5 0c408d2133cf1a9ea5fad18ab930d3b5
sha1 e8b299063666ea187a74839cc3f4d7e8fdf0b212
sha256 5c3d240c336c9ad72f25a872d35db760f6a4d9298c69db8ce5865c526f049ff9
sha512 09b1f563aae17d031ad4959416d61412c5f04dad31d59b52faf19e125f745f7484d55ade302062a03d1a353da3d516027daf01d3e24a2e901299bee75ff2965f
ripemd-160 865ad997c96444ed5368472b5e899ee15a263b80

664650981 as geometric shapes

Circle

Radius = n
Diameter 1329301962
Circumference 4176125278.2217
Area 1.3878328814745E+18

Sphere

Radius = n
Volume 1.2298993148481E+27
Surface area 5.5513315258979E+18
Circumference 4176125278.2217

Square

Length = n
Perimeter 2658603924
Area 441760926544262361
Diagonal 939958431.57478

Cube

Length = n
Surface area 2650565559265574166
Volume 2.9361683319511E+26
Space diagonal 1151209268.3925

Equilateral Triangle

Length = n
Perimeter 1993952943
Area 1.9128809239334E+17
Altitude 575604634.19625

Triangular Pyramid

Length = n
Surface area 1.9128809239334E+17
Volume 3.4603075637131E+25
Height 313319477.19159