256143640 (number)

256143640 is an even 9-digits composite number following 256143639 and preceding 256143641. In scientific notation, it is written as 2.56143640 × 10^8. The sum of its digits is 31. It has a total of 7 prime factors and 64 positive divisors. There are 97249152 positive integers (up to 256143640) that are relatively prime to 256143640.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.56143640 × 10^8
Engineering notation 2.56143640 × 10^6

Prime Factorization of 256143640

Prime Factorization 2 × 2 × 2 × 5 × 23 × 2003 × 139

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 64035910
Product of the distinct prime numbers

The prime factorization of 256143640 is 2 × 2 × 2 × 5 × 23 × 2003 × 139. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 256143640)

Multiplication

n×y
n×2 512287280
n×3 768430920
n×4 1024574560
n×5 1280718200

Division

n÷y
n÷2 128071820
n÷3 85381213.333333
n÷3 64035910
n÷5 51228728

Exponentiation

ny
n2 65609564312449600
n3 1.6805472621805E+25
n4 4.3046149292695E+33
n5 1.1025997367814E+42

Nth Root

y√n
2√n 16004.488120524
3√n 635.07915602405
4√n 126.50884601689
5√n 48.050367696902

Divisors of 256143640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -256143639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 256143640 can be divided by 64 positive divisors. The sum of these divisors (counting 256143640) is 1, the average is 0.015625.

Base conversion 256143640

Base System Value
2 Binary 1111010001000111000100011000
3 Ternary 122211222110000111
4 Quaternary 33101013010120
5 Quinary 1011033044030
6 Senary 41230014104
8 Octal 1721070430
10 Decimal 256143640
12 Duodecimal 71947334
16 Hexadecimal f447118
20 Vigesimal 400hj20
36 Base36 48i1p4

Cryptographic Hash Functions

md5 75495f4b8cc9d96e62877b8228eb824b
sha1 f9899b289579bb19e64abdc859eee259a915ab2f
sha256 a166a9477dece990f86455b4daab95fd3d8dc2f12254b34b068c300fe76cef1e
sha512 c08ae9cd317aa9cd734071403d77b73d9c641f44b0f451ae056b280f0e72c8bce44b13c738750704e5a713873e7ebd443a18c308863e1bce68311f60022030aa
ripemd-160 db9a320777961f58971d4781ac61966c878b4bdd

256143640 as geometric shapes

Circle

Radius = n
Diameter 512287280
Circumference 1609397955.3755
Area 2.0611852524922E+17

Sphere

Radius = n
Volume 7.0394599105022E+25
Surface area 8.2447410099687E+17
Circumference 1609397955.3755

Square

Length = n
Perimeter 1024574560
Area 65609564312449600
Diagonal 362241809.60361

Cube

Length = n
Surface area 393657385874697600
Volume 1.6805472621805E+25
Space diagonal 443653798.51563

Equilateral Triangle

Length = n
Perimeter 768430920
Area 2.8409774712905E+16
Altitude 221826899.25782

Triangular Pyramid

Length = n
Surface area 2.8409774712905E+16
Volume 1.9805439419872E+24
Height 120747269.86787