291268728 (number)

291268728 is an even 9-digits composite number following 291268727 and preceding 291268729. In scientific notation, it is written as 2.91268728 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors. There are 97089552 positive integers (up to 291268728) that are relatively prime to 291268728.

Interesting facts

Basic properties

Name

Name two hundred ninety-one million two hundred sixty-eight thousand seven hundred twenty-eight

Notation

Scientific notation 2.91268728 × 10^8
Engineering notation 2.91268728 × 10^6

Prime Factorization of 291268728

Prime Factorization 2 × 2 × 2 × 9 × 4045399

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 72817182
Product of the distinct prime numbers

The prime factorization of 291268728 is 2 × 2 × 2 × 9 × 4045399. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 5, 64, 7, 737, 941, 7307, 830, 68667, 27500, 459689, 88873, 1840061, 2294483, 41713352, 77268149, 476595069, 59761226, 8717069346, 3034159576

Basic calculations (n = 291268728)

Multiplication

n×y
n×2 582537456
n×3 873806184
n×4 1165074912
n×5 1456343640

Division

n÷y
n÷2 145634364
n÷3 97089576
n÷3 72817182
n÷5 58253745.6

Exponentiation

ny
n2 84837471910737984
n3 2.4710502530176E+25
n4 7.1973966402053E+33
n5 2.0963765643041E+42

Nth Root

y√n
2√n 17066.596848816
3√n 662.87446009979
4√n 130.63918573237
5√n 49.301345491081

Divisors of 291268728

1, 2, 4, 8, 9, 18, 36, 72, 4045399, 8090798, 16181596, 32363192, 36408591, 72817182, 145634364, 291268728

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 -291268727
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 291268728 can be divided by 16 positive divisors. The sum of these divisors (counting 291268728) is 1, the average is 0.0625.

Base conversion 291268728

Base System Value
2 Binary 10001010111000110100001111000
3 Ternary 202022001222120200
4 Quaternary 101113012201320
5 Quinary 1044031044403
6 Senary 44522522200
8 Octal 2127064170
10 Decimal 291268728
12 Duodecimal 81666360
16 Hexadecimal 115c6878
20 Vigesimal 4b08bg8
36 Base36 4tewe0

Cryptographic Hash Functions

md5 743217035eaeed66694d4acc87bc42e3
sha1 1e29bd2f4e2201e4579a1580421bd82fc094e9a7
sha256 dda5fae6002dec479a4e4ac219d36bb47b2dcdc842cb77772cddf76ddbf0ce9b
sha512 7fd95c3d247032e40c61598d389998bf9f284c409c062162cbf2e35994a1b56086f5298bd94581fa9e23b788577d0515e55848ea02ce029d3881ba57df11733a
ripemd-160 ce6b547d02d5784dfc5ac19d2a2988336a1c719a

291268728 as geometric shapes

Circle

Radius = n
Diameter 582537456
Circumference 1830095392.2105
Area 2.665247785039E+17

Sphere

Radius = n
Volume 1.0350711095375E+26
Surface area 1.0660991140156E+18
Circumference 1830095392.2105

Square

Length = n
Perimeter 1165074912
Area 84837471910737984
Diagonal 411916185.43276

Cube

Length = n
Surface area 509024831464427904
Volume 2.4710502530176E+25
Space diagonal 504492235.55196

Equilateral Triangle

Length = n
Perimeter 873806184
Area 3.6735702933774E+16
Altitude 252246117.77598

Triangular Pyramid

Length = n
Surface area 3.6735702933774E+16
Volume 2.9121606509358E+24
Height 137305395.14425