28891837 (number)

28891837 is an odd 8-digits composite number following 28891836 and preceding 28891838. In scientific notation, it is written as 2.8891837 × 10^7. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 24777792 positive integers (up to 28891837) that are relatively prime to 28891837.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8891837 × 10^7
Engineering notation 2.8891837 × 10^6

Prime Factorization of 28891837

Prime Factorization 19 × 13 × 53 × 2207

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28891837
Product of the distinct prime numbers

The prime factorization of 28891837 is 19 × 13 × 53 × 2207. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 8, 24, 65, 715, 129, 5427, 6954, 67637, 42239, 275459, 345038, 7852388, 816820, 86462178, 74796470, 959146967, 669750576, 4394260304, 6931551957

Basic calculations (n = 28891837)

Multiplication

n×y
n×2 57783674
n×3 86675511
n×4 115567348
n×5 144459185

Division

n÷y
n÷2 14445918.5
n÷3 9630612.3333333
n÷3 7222959.25
n÷5 5778367.4

Exponentiation

ny
n2 834738245234569
n3 2.4117121318983E+22
n4 6.9678793805729E+29
n5 2.0131483529917E+37

Nth Root

y√n
2√n 5375.1127430036
3√n 306.84924002877
4√n 73.315160389947
5√n 31.056680284805

Divisors of 28891837

1, 13, 19, 53, 247, 689, 1007, 2207, 13091, 28691, 41933, 116971, 545129, 1520623, 2222449, 28891837

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 -28891836
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 28891837 can be divided by 16 positive divisors. The sum of these divisors (counting 28891837) is 1, the average is 0.0625.

Base conversion 28891837

Base System Value
2 Binary 1101110001101101010111101
3 Ternary 2000100212011001
4 Quaternary 1232031222331
5 Quinary 24344014322
6 Senary 2511130301
8 Octal 156155275
10 Decimal 28891837
12 Duodecimal 9813991
16 Hexadecimal 1b8dabd
20 Vigesimal 90b9bh
36 Base36 h7931

Cryptographic Hash Functions

md5 80c0130962b6e670135db9fae58432ce
sha1 65142eafd1dbc88d32e1b88c3067560ee818edb5
sha256 4c5afebb95039efa7c18cb8a837c53742b4e21b0b4a0a217498a7b2941f8fb4a
sha512 3dc4d3652460c2e547939755abfd26de35190576fd82f93010a4c19dbbd37100d1df329d774ae54ffb46c51543da26ff51599304ac7b32d966f4f6d5258b3244
ripemd-160 53eb41af9500c6f80867453e663f8b8e5d99ef1b

28891837 as geometric shapes

Circle

Radius = n
Diameter 57783674
Circumference 181532765.73583
Area 2.6224075388994E+15

Sphere

Radius = n
Volume 1.010215615486E+23
Surface area 1.0489630155597E+16
Circumference 181532765.73583

Square

Length = n
Perimeter 115567348
Area 834738245234569
Diagonal 40859227.727273

Cube

Length = n
Surface area 5008429471407414
Volume 2.4117121318983E+22
Space diagonal 50042129.607998

Equilateral Triangle

Length = n
Perimeter 86675511
Area 3.6145226294179E+14
Altitude 25021064.803999

Triangular Pyramid

Length = n
Surface area 3.6145226294179E+14
Volume 2.8422300045586E+21
Height 13619742.575758