257942721 (number)

257942721 is an odd 9-digits composite number following 257942720 and preceding 257942722. In scientific notation, it is written as 2.57942721 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 12 positive divisors. There are 168298728 positive integers (up to 257942721) that are relatively prime to 257942721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.57942721 × 10^8
Engineering notation 2.57942721 × 10^6

Prime Factorization of 257942721

Prime Factorization 3 × 47 × 47 × 38923

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 5488143
Product of the distinct prime numbers

The prime factorization of 257942721 is 3 × 47 × 47 × 38923. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 6, 98, 73, 460, 266, 3849, 5464, 18907, 17256, 406299, 839769, 3968133, 6868272, 12935830, 91432411, 94725321, 461702231, 5185482626, 3485385506

Basic calculations (n = 257942721)

Multiplication

n×y
n×2 515885442
n×3 773828163
n×4 1031770884
n×5 1289713605

Division

n÷y
n÷2 128971360.5
n÷3 85980907
n÷3 64485680.25
n÷5 51588544.2

Exponentiation

ny
n2 66534447316883841
n3 1.7162076381148E+25
n4 4.4268326797632E+33
n5 1.1418692668298E+42

Nth Root

y√n
2√n 16060.595287847
3√n 636.56256097131
4√n 126.73040395993
5√n 48.117677314027

Divisors of 257942721

1, 3, 47, 141, 2209, 6627, 38923, 116769, 1829381, 5488143, 85980907, 257942721

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -257942720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 257942721 can be divided by 12 positive divisors. The sum of these divisors (counting 257942721) is 1, the average is 0.083333333333333.

Base conversion 257942721

Base System Value
2 Binary 1111010111111110010011000001
3 Ternary 122222100211220010
4 Quaternary 33113332103001
5 Quinary 1012013131341
6 Senary 41332335133
8 Octal 1727762301
10 Decimal 257942721
12 Duodecimal 724744a9
16 Hexadecimal f5fe4c1
20 Vigesimal 40c2gg1
36 Base36 49klvl

Cryptographic Hash Functions

md5 6b0112dc85eb0c7718d6d61d80073a96
sha1 9281e57008375e23f31fc64d1a0804a3fe84fe7e
sha256 8e4f7230a6e853aa9cf720edaf43c16b4b90a78b8d17a0f2d957a5d740bd2e6f
sha512 51e4c6e6894860f3281981f69464358b75de97aa8985b15ea347fe7816a0d680d39940ef7d38c943b26741df9d0d4ec949792624c36888bdfdf3058f375c69eb
ripemd-160 90f940baff12ceaa2f44909842177f5ff270b3f9

257942721 as geometric shapes

Circle

Radius = n
Diameter 515885442
Circumference 1620701914.6811
Area 2.0902413090138E+17

Sphere

Radius = n
Volume 7.1888337439149E+25
Surface area 8.3609652360552E+17
Circumference 1620701914.6811

Square

Length = n
Perimeter 1031770884
Area 66534447316883841
Diagonal 364786094.35362

Cube

Length = n
Surface area 399206683901303046
Volume 1.7162076381148E+25
Space diagonal 446769898.21456

Equilateral Triangle

Length = n
Perimeter 773828163
Area 2.8810260801589E+16
Altitude 223384949.10728

Triangular Pyramid

Length = n
Surface area 2.8810260801589E+16
Volume 2.0225700980586E+24
Height 121595364.78454