643240691 (number)

643240691 is an odd 9-digits composite number following 643240690 and preceding 643240692. In scientific notation, it is written as 6.43240691 × 10^8. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 642754632 positive integers (up to 643240691) that are relatively prime to 643240691.

Interesting facts

Basic properties

Name

Name six hundred forty-three million two hundred forty thousand six hundred ninety-one

Notation

Scientific notation 6.43240691 × 10^8
Engineering notation 6.43240691 × 10^6

Prime Factorization of 643240691

Prime Factorization 1327 × 484733

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 643240691
Product of the distinct prime numbers

The prime factorization of 643240691 is 1327 × 484733. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 643240691)

Multiplication

n×y
n×2 1286481382
n×3 1929722073
n×4 2572962764
n×5 3216203455

Division

n÷y
n÷2 321620345.5
n÷3 214413563.66667
n÷3 160810172.75
n÷5 128648138.2

Exponentiation

ny
n2 413758586558157481
n3 2.6614635912485E+26
n4 1.711961679506E+35
n5 1.101203413691E+44

Nth Root

y√n
2√n 25362.190185392
3√n 863.22598137789
4√n 159.25511039019
5√n 57.766320032254

Divisors of 643240691

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 -643240690
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 643240691 can be divided by 4 positive divisors. The sum of these divisors (counting 643240691) is 1, the average is 0.25.

Base conversion 643240691

Base System Value
2 Binary 100110010101110001001011110011
3 Ternary 1122211101000100022
4 Quaternary 212111301023303
5 Quinary 2304132200231
6 Senary 143454514055
8 Octal 4625611363
10 Decimal 643240691
12 Duodecimal 15b50592b
16 Hexadecimal 265712f3
20 Vigesimal a1051eb
36 Base36 amyvoz

Cryptographic Hash Functions

md5 58832a781d79da1850dce9932888d9fd
sha1 23a7178d5654c59a1a92f7860397f988affc3eae
sha256 09a8228f887d2a6bfbabe42d8115a8ff3542b47374b3e3acacf3b80d70b77c7e
sha512 27fa932b138823b8ce81c0fc2bfa21f8e333d6c99b44990d7ca0abc8709694d81e7f465ba202b10c6d5bed043f85af1e5a0518b40cbcf8dfd04222b792f70188
ripemd-160 02e716f19be5cb22d14f95ccd41a8af061acb0cc

643240691 as geometric shapes

Circle

Radius = n
Diameter 1286481382
Circumference 4041600458.6712
Area 1.2998609358908E+18

Sphere

Radius = n
Volume 1.1148312621417E+27
Surface area 5.1994437435632E+18
Circumference 4041600458.6712

Square

Length = n
Perimeter 2572962764
Area 413758586558157481
Diagonal 909679709.08244

Cube

Length = n
Surface area 2482551519348944886
Volume 2.6614635912485E+26
Space diagonal 1114125558.3077

Equilateral Triangle

Length = n
Perimeter 1929722073
Area 1.7916272349665E+17
Altitude 557062779.15386

Triangular Pyramid

Length = n
Surface area 1.7916272349665E+17
Volume 3.1365649220882E+25
Height 303226569.69415