28749920 (number)

28749920 is an even 8-digits composite number following 28749919 and preceding 28749921. In scientific notation, it is written as 2.8749920 × 10^7. The sum of its digits is 41. It has a total of 7 prime factors and 24 positive divisors. There are 11499904 positive integers (up to 28749920) that are relatively prime to 28749920.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-nine thousand nine hundred twenty

Notation

Scientific notation 2.8749920 × 10^7
Engineering notation 2.8749920 × 10^6

Prime Factorization of 28749920

Prime Factorization 2 × 2 × 2 × 2 × 2 × 5 × 179687

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 1796870
Product of the distinct prime numbers

The prime factorization of 28749920 is 2 × 2 × 2 × 2 × 2 × 5 × 179687. Since it has a total of 7 prime factors.

Most popular turbo-numbers

1, 2, 8, 82, 77, 550, 5898, 650, 48211, 26128, 231103, 823414, 3200923, 2252116, 85148228, 50666956, 509573681, 933094798, 7552085468, 3795543756

Basic calculations (n = 28749920)

Multiplication

n×y
n×2 57499840
n×3 86249760
n×4 114999680
n×5 143749600

Division

n÷y
n÷2 14374960
n÷3 9583306.6666667
n÷3 7187480
n÷5 5749984

Exponentiation

ny
n2 826557900006400
n3 2.3763473500552E+22
n4 6.8319796206299E+29
n5 1.9641886753474E+37

Nth Root

y√n
2√n 5361.8951873381
3√n 306.34599961388
4√n 73.224962870173
5√n 31.026110014571

Divisors of 28749920

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 179687, 359374, 718748, 898435, 1437496, 1796870, 2874992, 3593740, 5749984, 7187480, 14374960, 28749920

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 -28749919
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 28749920 can be divided by 24 positive divisors. The sum of these divisors (counting 28749920) is 1, the average is 0.041666666666667.

Base conversion 28749920

Base System Value
2 Binary 1101101101011000001100000
3 Ternary 2000002122110212
4 Quaternary 1231223001200
5 Quinary 24324444140
6 Senary 2504113252
8 Octal 155530140
10 Decimal 28749920
12 Duodecimal 9765828
16 Hexadecimal 1b6b060
20 Vigesimal 8jdeg0
36 Base36 h47kw

Cryptographic Hash Functions

md5 682dec8ce7322bea19a710d2846646c3
sha1 2c89e008d0da883501b49c98c77381e7bb4a892e
sha256 28bbf6430c4a95fecf217743b02c24d7c74ca91de1739cbb08db1272d3be64f2
sha512 5a54b4f38c4c52ca7a56b569b2f34aabcc57ddbe525a1048dbee0005b51e133554320df8d8ca7618cd0d6faa6915041e611a8d2aa1fc006f164af7f125ef9d5c
ripemd-160 fa884db21803ec57c575c3f88075028f0902eaab

28749920 as geometric shapes

Circle

Radius = n
Diameter 57499840
Circumference 180641074.92659
Area 2.5967082264267E+15

Sphere

Radius = n
Volume 9.9540205030813E+22
Surface area 1.0386832905707E+16
Circumference 180641074.92659

Square

Length = n
Perimeter 114999680
Area 826557900006400
Diagonal 40658526.781141

Cube

Length = n
Surface area 4959347400038400
Volume 2.3763473500552E+22
Space diagonal 49796322.153541

Equilateral Triangle

Length = n
Perimeter 86249760
Area 3.5791006955213E+14
Altitude 24898161.07677

Triangular Pyramid

Length = n
Surface area 3.5791006955213E+14
Volume 2.8005522094645E+21
Height 13552842.26038