28991775 (number)

28991775 is an odd 8-digits composite number following 28991774 and preceding 28991776. In scientific notation, it is written as 2.8991775 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 15206400 positive integers (up to 28991775) that are relatively prime to 28991775.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-one thousand seven hundred seventy-five

Notation

Scientific notation 2.8991775 × 10^7
Engineering notation 2.8991775 × 10^6

Prime Factorization of 28991775

Prime Factorization 15 × 5 × 61 × 6337

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28991775
Product of the distinct prime numbers

The prime factorization of 28991775 is 15 × 5 × 61 × 6337. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 7, 76, 634, 555, 8789, 9258, 65808, 53643, 894922, 415831, 3135331, 9307285, 26340006, 75109531, 246866773, 690748063, 4060606523, 1264231344

Basic calculations (n = 28991775)

Multiplication

n×y
n×2 57983550
n×3 86975325
n×4 115967100
n×5 144958875

Division

n÷y
n÷2 14495887.5
n÷3 9663925
n÷3 7247943.75
n÷5 5798355

Exponentiation

ny
n2 840523017650625
n3 2.4368254210048E+22
n4 7.0647894320051E+29
n5 2.0482078563507E+37

Nth Root

y√n
2√n 5384.4010809003
3√n 307.20263406826
4√n 73.378478322327
5√n 31.078135874621

Divisors of 28991775

1, 5, 15, 61, 75, 305, 915, 4575, 6337, 31685, 95055, 386557, 475275, 1932785, 5798355, 28991775

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 -28991774
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 28991775 can be divided by 16 positive divisors. The sum of these divisors (counting 28991775) is 1, the average is 0.0625.

Base conversion 28991775

Base System Value
2 Binary 1101110100110000100011111
3 Ternary 2000112221020110
4 Quaternary 1232212010133
5 Quinary 24410214100
6 Senary 2513221103
8 Octal 156460437
10 Decimal 28991775
12 Duodecimal 9861793
16 Hexadecimal 1ba611f
20 Vigesimal 913j8f
36 Base36 h9e73

Cryptographic Hash Functions

md5 f7521ce6ca3f790310e8cbe418af8f08
sha1 410f8c37919faea6028efa88ced611d5db24bd00
sha256 61c0b5f1e2bb38656a392352e0f228662a7c29991ece2ecb0a0f728dec16d4e1
sha512 f78556ecf53ac62b113a003dab9f8345c457a24665852367d3f0756fd88481e73c7aaee17f73ce514b4eda12b38b53e2c6ec6680969646fc3b5a43fa3efba0cf
ripemd-160 de9b1a7b9186fbd0fa7064adc9dd94f5c8fed61f

28991775 as geometric shapes

Circle

Radius = n
Diameter 57983550
Circumference 182160694.70906
Area 2.6405809374243E+15

Sphere

Radius = n
Volume 1.0207350454279E+23
Surface area 1.0562323749697E+16
Circumference 182160694.70906

Square

Length = n
Perimeter 115967100
Area 840523017650625
Diagonal 41000561.402269

Cube

Length = n
Surface area 5043138105903750
Volume 2.4368254210048E+22
Space diagonal 50215227.301605

Equilateral Triangle

Length = n
Perimeter 86975325
Area 3.639571428755E+14
Altitude 25107613.650803

Triangular Pyramid

Length = n
Surface area 3.639571428755E+14
Volume 2.8718262996004E+21
Height 13666853.800756