28897780 (number)

28897780 is an even 8-digits composite number following 28897779 and preceding 28897781. In scientific notation, it is written as 2.8897780 × 10^7. The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors. There are 11400192 positive integers (up to 28897780) that are relatively prime to 28897780.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred ninety-seven thousand seven hundred eighty

Notation

Scientific notation 2.8897780 × 10^7
Engineering notation 2.8897780 × 10^6

Prime Factorization of 28897780

Prime Factorization 2 × 2 × 5 × 73 × 19793

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14448890
Product of the distinct prime numbers

The prime factorization of 28897780 is 2 × 2 × 5 × 73 × 19793. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 7, 92, 52, 4, 12, 2406, 4612, 40987, 58780, 398772, 355385, 4431094, 9970911, 81805617, 22165135, 760471940, 145165895, 2741207707, 7951302802

Basic calculations (n = 28897780)

Multiplication

n×y
n×2 57795560
n×3 86693340
n×4 115591120
n×5 144488900

Division

n÷y
n÷2 14448890
n÷3 9632593.3333333
n÷3 7224445
n÷5 5779556

Exponentiation

ny
n2 835081688928400
n3 2.4132006928681E+22
n4 6.9736142718351E+29
n5 2.0152197103235E+37

Nth Root

y√n
2√n 5375.6655401913
3√n 306.87027803581
4√n 73.318930299011
5√n 31.057957840583

Divisors of 28897780

1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 19793, 39586, 79172, 98965, 197930, 395860, 1444889, 2889778, 5779556, 7224445, 14448890, 28897780

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28897779
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28897780 can be divided by 24 positive divisors. The sum of these divisors (counting 28897780) is 1, the average is 0.041666666666667.

Base conversion 28897780

Base System Value
2 Binary 1101110001111000111110100
3 Ternary 2000101011022011
4 Quaternary 1232033013310
5 Quinary 24344212110
6 Senary 2511214004
8 Octal 156170764
10 Decimal 28897780
12 Duodecimal 9817304
16 Hexadecimal 1b8f1f4
20 Vigesimal 90c490
36 Base36 h7do4

Cryptographic Hash Functions

md5 a42ed363b480d8b2e57c13fb5fb934e4
sha1 8b5d03278774494c6946c1240d6d75f2c88ec4cc
sha256 edc42bffec73fd6d35605bc89500e717c293bdbdd5fffaa91d2b9651b1f03128
sha512 9f38eb61bd339d9dab6c3e3790cac2240571425ee821313d5519b138eff84c643f523e7478b18b97ca38316d2a98599c5c15177a31201e60c6f81279e816b77c
ripemd-160 bdaa4b6a1f710c12db4ebe6baf870c3e929272f5

28897780 as geometric shapes

Circle

Radius = n
Diameter 57795560
Circumference 181570106.70611
Area 2.6234864990848E+15

Sphere

Radius = n
Volume 1.010839142447E+23
Surface area 1.0493945996339E+16
Circumference 181570106.70611

Square

Length = n
Perimeter 115591120
Area 835081688928400
Diagonal 40867632.398474

Cube

Length = n
Surface area 5010490133570400
Volume 2.4132006928681E+22
Space diagonal 50052423.185948

Equilateral Triangle

Length = n
Perimeter 86693340
Area 3.616009784236E+14
Altitude 25026211.592974

Triangular Pyramid

Length = n
Surface area 3.616009784236E+14
Volume 2.8439842904852E+21
Height 13622544.132825