28777731 (number)

28777731 is an odd 8-digits composite number following 28777730 and preceding 28777732. In scientific notation, it is written as 2.8777731 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 19057800 positive integers (up to 28777731) that are relatively prime to 28777731.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred seventy-seven thousand seven hundred thirty-one

Notation

Scientific notation 2.8777731 × 10^7
Engineering notation 2.8777731 × 10^6

Prime Factorization of 28777731

Prime Factorization 3 × 151 × 63527

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28777731
Product of the distinct prime numbers

The prime factorization of 28777731 is 3 × 151 × 63527. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 10, 3, 55, 729, 647, 1585, 6705, 83055, 16706, 441466, 71191, 1817101, 814428, 47479212, 16167002, 919614413, 604302339, 8326349738, 7212081163

Basic calculations (n = 28777731)

Multiplication

n×y
n×2 57555462
n×3 86333193
n×4 115110924
n×5 143888655

Division

n÷y
n÷2 14388865.5
n÷3 9592577
n÷3 7194432.75
n÷5 5755546.2

Exponentiation

ny
n2 828157801508361
n3 2.3832502437359E+22
n4 6.8584534419916E+29
n5 1.9737072822966E+37

Nth Root

y√n
2√n 5364.4879531974
3√n 306.444748212
4√n 73.242664842272
5√n 31.032110264062

Divisors of 28777731

1, 3, 151, 453, 63527, 190581, 9592577, 28777731

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28777730
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28777731 can be divided by 8 positive divisors. The sum of these divisors (counting 28777731) is 1, the average is 0.125.

Base conversion 28777731

Base System Value
2 Binary 1101101110001110100000011
3 Ternary 2000011001121220
4 Quaternary 1231301310003
5 Quinary 24331341411
6 Senary 2504450123
8 Octal 155616403
10 Decimal 28777731
12 Duodecimal 9779943
16 Hexadecimal 1b71d03
20 Vigesimal 8jh46b
36 Base36 h4t1f

Cryptographic Hash Functions

md5 dfeea9fd2efd9d9db24cf93022daaaec
sha1 e46e7eb6e018612f2a9e480a68b61ed01abadcbd
sha256 a3f3c266395db96233397eb7d13421ee23aca56eadd04678352b7cf22ba0102c
sha512 f0632fa563300d30226d00a4257a36434e31ebb6afcd7bfe8a2230784ddf136c507711808b36550d8f28bd18b65f6a385cf89f4f13d816819e7e9a1fe7f9bdb1
ripemd-160 613f024c7f7d335a4e31ac02aaabfbde2cb22a17

28777731 as geometric shapes

Circle

Radius = n
Diameter 57555462
Circumference 180815816.59317
Area 2.6017344652317E+15

Sphere

Radius = n
Volume 9.9829352765157E+22
Surface area 1.0406937860927E+16
Circumference 180815816.59317

Square

Length = n
Perimeter 115110924
Area 828157801508361
Diagonal 40697857.474525

Cube

Length = n
Surface area 4968946809050166
Volume 2.3832502437359E+22
Space diagonal 49844492.21855

Equilateral Triangle

Length = n
Perimeter 86333193
Area 3.5860284722426E+14
Altitude 24922246.109275

Triangular Pyramid

Length = n
Surface area 3.5860284722426E+14
Volume 2.8086873476836E+21
Height 13565952.491508