256142720 (number)

256142720 is an even 9-digits composite number following 256142719 and preceding 256142721. In scientific notation, it is written as 2.56142720 × 10^8. The sum of its digits is 29. It has a total of 10 prime factors and 64 positive divisors. There are 97996800 positive integers (up to 256142720) that are relatively prime to 256142720.

Interesting facts

Basic properties

Name

Name two hundred fifty-six million one hundred forty-two thousand seven hundred twenty

Notation

Scientific notation 2.56142720 × 10^8
Engineering notation 2.56142720 × 10^6

Prime Factorization of 256142720

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 23 × 17401

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 10
Total number of prime factors
rad Radical 4002230
Product of the distinct prime numbers

The prime factorization of 256142720 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 23 × 17401. Since it has a total of 10 prime factors.

Most popular turbo-numbers

Basic calculations (n = 256142720)

Multiplication

n×y
n×2 512285440
n×3 768428160
n×4 1024570880
n×5 1280713600

Division

n÷y
n÷2 128071360
n÷3 85380906.666667
n÷3 64035680
n÷5 51228544

Exponentiation

ny
n2 65609093008998400
n3 1.6805291540058E+25
n4 4.3045530854634E+33
n5 1.102579935695E+42

Nth Root

y√n
2√n 16004.459378561
3√n 635.07839567786
4√n 126.50873242018
5√n 48.050333180018

Divisors of 256142720

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 -256142719
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 256142720 can be divided by 64 positive divisors. The sum of these divisors (counting 256142720) is 1, the average is 0.015625.

Base conversion 256142720

Base System Value
2 Binary 1111010001000110110110000000
3 Ternary 122211222101202102
4 Quaternary 33101012312000
5 Quinary 1011033031340
6 Senary 41230005532
8 Octal 1721066600
10 Decimal 256142720
12 Duodecimal 719468a8
16 Hexadecimal f446d80
20 Vigesimal 400hgg0
36 Base36 48i0zk

Cryptographic Hash Functions

md5 15c2789789b5af968bd50509a7b16e91
sha1 a4a0957ca6bd59c4e817798d47b0fdc6056dffc4
sha256 1b8c816ca0e869f79e004ef262ba213afaad8ba207f23d7ae3c7afce9b949f56
sha512 26ce6c7453d68a0eafce18dc9d61c5c606c8485e063b70e2d138e5dbbb199dc8301b48760609dd6878b99f73a5f2835eaff27fc82ea12c5e8a48bd7d1927279c
ripemd-160 9da887903763a04746fe8576c445488ef2e6ad13

256142720 as geometric shapes

Circle

Radius = n
Diameter 512285440
Circumference 1609392174.845
Area 2.0611704460576E+17

Sphere

Radius = n
Volume 7.0393840591574E+25
Surface area 8.2446817842304E+17
Circumference 1609392174.845

Square

Length = n
Perimeter 1024570880
Area 65609093008998400
Diagonal 362240508.52713

Cube

Length = n
Surface area 393654558053990400
Volume 1.6805291540058E+25
Space diagonal 443652205.02889

Equilateral Triangle

Length = n
Perimeter 768428160
Area 2.8409570632524E+16
Altitude 221826102.51444

Triangular Pyramid

Length = n
Surface area 2.8409570632524E+16
Volume 1.9805226012986E+24
Height 120746836.17571