664651681 (number)

664651681 is an odd 9-digits composite number following 664651680 and preceding 664651682. In scientific notation, it is written as 6.64651681 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 662554672 positive integers (up to 664651681) that are relatively prime to 664651681.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.64651681 × 10^8
Engineering notation 6.64651681 × 10^6

Prime Factorization of 664651681

Prime Factorization 317 × 2096693

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 664651681
Product of the distinct prime numbers

The prime factorization of 664651681 is 317 × 2096693. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 2, 99, 85, 782, 249, 9079, 4402, 86774, 5201, 118719, 353812, 4984239, 2668663, 87212653, 71882244, 195967490, 256598120, 553827728, 4528918144

Basic calculations (n = 664651681)

Multiplication

n×y
n×2 1329303362
n×3 1993955043
n×4 2658606724
n×5 3323258405

Division

n÷y
n÷2 332325840.5
n÷3 221550560.33333
n÷3 166162920.25
n÷5 132930336.2

Exponentiation

ny
n2 441761857056125761
n3 2.9361776089404E+26
n4 1.9515353834968E+35
n5 1.2970912731721E+44

Nth Root

y√n
2√n 25780.839416125
3√n 872.69945046609
4√n 160.56412867177
5√n 58.145863107301

Divisors of 664651681

1, 317, 2096693, 664651681

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -664651680
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 664651681 can be divided by 4 positive divisors. The sum of these divisors (counting 664651681) is 1, the average is 0.25.

Base conversion 664651681

Base System Value
2 Binary 100111100111011100011110100001
3 Ternary 1201022122210200221
4 Quaternary 213213130132201
5 Quinary 2330122323211
6 Senary 145541443041
8 Octal 4747343641
10 Decimal 664651681
12 Duodecimal 166710481
16 Hexadecimal 279dc7a1
20 Vigesimal a7e1941
36 Base36 azpsip

Cryptographic Hash Functions

md5 73aabaa2b48a84dc869240b81808be07
sha1 e0a0c20e6a7062c1fd1a730249980da3fea0ced3
sha256 415b210e7bf83a5dd4ddb05f207980075447df936c1a02d1eb0a10f11f2e69bc
sha512 35b0e92744506077080c0ad67f7659e7818163f9756f4f2f89896cca6849ccef1a573a48b603e994884aab0b761a801735947a7ebc5474c77e44b175c1a44639
ripemd-160 e174b78f59c9576ca9ba2bf1cecf9842a82d31eb

664651681 as geometric shapes

Circle

Radius = n
Diameter 1329303362
Circumference 4176129676.4514
Area 1.3878358047637E+18

Sphere

Radius = n
Volume 1.2299032007842E+27
Surface area 5.5513432190548E+18
Circumference 4176129676.4514

Square

Length = n
Perimeter 2658606724
Area 441761857056125761
Diagonal 939959421.52428

Cube

Length = n
Surface area 2650571142336754566
Volume 2.9361776089404E+26
Space diagonal 1151210480.8281

Equilateral Triangle

Length = n
Perimeter 1993955043
Area 1.912884953168E+17
Altitude 575605240.41403

Triangular Pyramid

Length = n
Surface area 1.912884953168E+17
Volume 3.4603184967497E+25
Height 313319807.17476