664989813 (number)

664989813 is an odd 9-digits composite number following 664989812 and preceding 664989814. In scientific notation, it is written as 6.64989813 × 10^8. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 441600000 positive integers (up to 664989813) that are relatively prime to 664989813.

Interesting facts

Basic properties

Name

Name six hundred sixty-four million nine hundred eighty-nine thousand eight hundred thirteen

Notation

Scientific notation 6.64989813 × 10^8
Engineering notation 6.64989813 × 10^6

Prime Factorization of 664989813

Prime Factorization 9 × 257 × 287501

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 664989813
Product of the distinct prime numbers

The prime factorization of 664989813 is 9 × 257 × 287501. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 664989813)

Multiplication

n×y
n×2 1329979626
n×3 1994969439
n×4 2659959252
n×5 3324949065

Division

n÷y
n÷2 332494906.5
n÷3 221663271
n÷3 166247453.25
n÷5 132997962.6

Exponentiation

ny
n2 442211451393774969
n3 2.9406611036881E+26
n4 1.9555096774379E+35
n5 1.3003940147191E+44

Nth Root

y√n
2√n 25787.396398241
3√n 872.84741648229
4√n 160.58454595085
5√n 58.151778078367

Divisors of 664989813

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 -664989812
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 664989813 can be divided by 8 positive divisors. The sum of these divisors (counting 664989813) is 1, the average is 0.125.

Base conversion 664989813

Base System Value
2 Binary 100111101000101111000001110101
3 Ternary 1201100021222112100
4 Quaternary 213220233001311
5 Quinary 2330214133223
6 Senary 145553012313
8 Octal 4750570165
10 Decimal 664989813
12 Duodecimal 166854099
16 Hexadecimal 27a2f075
20 Vigesimal a7g3ead
36 Base36 azx1f9

Cryptographic Hash Functions

md5 aec381521030313abc31fa89b10f9047
sha1 ffa31d8ccebd34e4d395a29a92dde57da833c23d
sha256 5bd8d1a71599ea2382b884dfa7f9114c3755de6b5731e21fd633c20672e084a8
sha512 ef1f1437e1dd1be1f65596946f5b1bed0d3c92264aa0c91500a11ff0fcbb5c382a9c17a017457f0c7bc01810f52848c3a37f478343b5753d906daffe26b63146
ripemd-160 68641227f4863c208590f7e4696abcbbe58d48dc

664989813 as geometric shapes

Circle

Radius = n
Diameter 1329979626
Circumference 4178254222.4657
Area 1.389248247032E+18

Sphere

Radius = n
Volume 1.2317812426725E+27
Surface area 5.5569929881279E+18
Circumference 4178254222.4657

Square

Length = n
Perimeter 2659959252
Area 442211451393774969
Diagonal 940437612.38455

Cube

Length = n
Surface area 2653268708362649814
Volume 2.9406611036881E+26
Space diagonal 1151796142.6317

Equilateral Triangle

Length = n
Perimeter 1994969439
Area 1.914831753757E+17
Altitude 575898071.31586

Triangular Pyramid

Length = n
Surface area 1.914831753757E+17
Volume 3.4656023459822E+25
Height 313479204.12818