640968537 (number)

640968537 is an odd 9-digits composite number following 640968536 and preceding 640968538. In scientific notation, it is written as 6.40968537 × 10^8. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 386949120 positive integers (up to 640968537) that are relatively prime to 640968537.

Interesting facts

Basic properties

Name

Name six hundred forty million nine hundred sixty-eight thousand five hundred thirty-seven

Notation

Scientific notation 6.40968537 × 10^8
Engineering notation 6.40968537 × 10^6

Prime Factorization of 640968537

Prime Factorization 3 × 11 × 257 × 75577

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 640968537
Product of the distinct prime numbers

The prime factorization of 640968537 is 3 × 11 × 257 × 75577. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 640968537)

Multiplication

n×y
n×2 1281937074
n×3 1922905611
n×4 2563874148
n×5 3204842685

Division

n÷y
n÷2 320484268.5
n÷3 213656179
n÷3 160242134.25
n÷5 128193707.4

Exponentiation

ny
n2 410840665423920369
n3 2.6333594025688E+26
n4 1.6879005236597E+35
n5 1.0818911292517E+44

Nth Root

y√n
2√n 25317.356437827
3√n 862.20837559455
4√n 159.11428734663
5√n 57.725452025858

Divisors of 640968537

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -640968536
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 640968537 can be divided by 16 positive divisors. The sum of these divisors (counting 640968537) is 1, the average is 0.0625.

Base conversion 640968537

Base System Value
2 Binary 100110001101000110011101011001
3 Ternary 1122200002120112110
4 Quaternary 212031012131121
5 Quinary 2303041443122
6 Senary 143334102533
8 Octal 4615063531
10 Decimal 640968537
12 Duodecimal 15a7aaa49
16 Hexadecimal 26346759
20 Vigesimal a06116h
36 Base36 alm6hl

Cryptographic Hash Functions

md5 231699581c96991c4f7e591ec30068f2
sha1 84628dbc1803e772a569f45e9cfae63ccb5d8430
sha256 cd2d23762d69068579eee5211f88559257f10ed7c4413082591e24316628554f
sha512 aca2820b8bfaa5cb06e106e3b7b21da153d018672004beca196f484982357a761fe8113d7a56173ce5883038fa4729290dee6fe01f3f03df8c8ff05ea0e9c97b
ripemd-160 46d85fe78d81e9837a8edd726e668251c381895f

640968537 as geometric shapes

Circle

Radius = n
Diameter 1281937074
Circumference 4027324094.0428
Area 1.2906940162917E+18

Sphere

Radius = n
Volume 1.1030590071162E+27
Surface area 5.1627760651669E+18
Circumference 4027324094.0428

Square

Length = n
Perimeter 2563874148
Area 410840665423920369
Diagonal 906466398.07984

Cube

Length = n
Surface area 2465043992543522214
Volume 2.6333594025688E+26
Space diagonal 1110190072.1371

Equilateral Triangle

Length = n
Perimeter 1922905611
Area 1.7789922658241E+17
Altitude 555095036.06855

Triangular Pyramid

Length = n
Surface area 1.7789922658241E+17
Volume 3.1034438180962E+25
Height 302155466.02661