640143885 (number)

640143885 is an odd 9-digits composite number following 640143884 and preceding 640143886. In scientific notation, it is written as 6.40143885 × 10^8. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 341410064 positive integers (up to 640143885) that are relatively prime to 640143885.

Interesting facts

Basic properties

Name

Name six hundred forty million one hundred forty-three thousand eight hundred eighty-five

Notation

Scientific notation 6.40143885 × 10^8
Engineering notation 6.40143885 × 10^6

Prime Factorization of 640143885

Prime Factorization 15 × 42676259

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 640143885
Product of the distinct prime numbers

The prime factorization of 640143885 is 15 × 42676259. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 640143885)

Multiplication

n×y
n×2 1280287770
n×3 1920431655
n×4 2560575540
n×5 3200719425

Division

n÷y
n÷2 320071942.5
n÷3 213381295
n÷3 160035971.25
n÷5 128028777

Exponentiation

ny
n2 409784193502893225
n3 2.6232084564053E+26
n4 1.6792308524482E+35
n5 1.074949361698E+44

Nth Root

y√n
2√n 25301.064898537
3√n 861.83845259766
4√n 159.06308465052
5√n 57.710590788925

Divisors of 640143885

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 -640143884
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 640143885 can be divided by 4 positive divisors. The sum of these divisors (counting 640143885) is 1, the average is 0.25.

Base conversion 640143885

Base System Value
2 Binary 100110001001111101001000001101
3 Ternary 1122121112200022210
4 Quaternary 212021331020031
5 Quinary 2302334101020
6 Senary 143304301033
8 Octal 4611751015
10 Decimal 640143885
12 Duodecimal 15a471779
16 Hexadecimal 2627d20d
20 Vigesimal a00hje5
36 Base36 al4i6l

Cryptographic Hash Functions

md5 e5bfc4f6a585c88b2439882e0160a6df
sha1 90fe7aa87677fea9573551c7d7a3a931b3423e78
sha256 0886c3b2cd98ef4a8f9bba0b28ef5b4fd39b21ad4805611bd89a8d3cea2edf17
sha512 aaa834093839ec6bd50ff01d72c04f850e6b94a37c948c4dfe24b222c6001657640926c1f6ee9c1eea9dac8fbeecb19437afbed51563eefd1d6c35abde68bda7
ripemd-160 f0f897cdbc4050a485ec07003ea770e3f2b08bc9

640143885 as geometric shapes

Circle

Radius = n
Diameter 1280287770
Circumference 4022142652.7129
Area 1.2873750118659E+18

Sphere

Radius = n
Volume 1.0988069887304E+27
Surface area 5.1495000474636E+18
Circumference 4022142652.7129

Square

Length = n
Perimeter 2560575540
Area 409784193502893225
Diagonal 905300164.0372

Cube

Length = n
Surface area 2458705161017359350
Volume 2.6232084564053E+26
Space diagonal 1108761732.9745

Equilateral Triangle

Length = n
Perimeter 1920431655
Area 1.7744176082141E+17
Altitude 554380866.48726

Triangular Pyramid

Length = n
Surface area 1.7744176082141E+17
Volume 3.0914808133169E+25
Height 301766721.34573