28013931 (number)

28013931 is an odd 8-digits composite number following 28013930 and preceding 28013932. In scientific notation, it is written as 2.8013931 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 24 positive divisors. There are 16228080 positive integers (up to 28013931) that are relatively prime to 28013931.

Interesting facts

Basic properties

Name

Name twenty-eight million thirteen thousand nine hundred thirty-one

Notation

Scientific notation 2.8013931 × 10^7
Engineering notation 2.8013931 × 10^6

Prime Factorization of 28013931

Prime Factorization 3 × 99 × 3 × 23 × 1367

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9337977
Product of the distinct prime numbers

The prime factorization of 28013931 is 3 × 99 × 3 × 23 × 1367. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 10, 85, 73, 994, 88, 1622, 3393, 95345, 6838, 271478, 564911, 589928, 9688688, 89231630, 44054897, 717848113, 931181665, 221293956, 7537159032

Basic calculations (n = 28013931)

Multiplication

n×y
n×2 56027862
n×3 84041793
n×4 112055724
n×5 140069655

Division

n÷y
n÷2 14006965.5
n÷3 9337977
n÷3 7003482.75
n÷5 5602786.2

Exponentiation

ny
n2 784780330072761
n3 2.1984782016816E+22
n4 6.1588016646911E+29
n5 1.7253224487734E+37

Nth Root

y√n
2√n 5292.8188142048
3√n 303.70924921995
4√n 72.751761588327
5√n 30.865606200075

Divisors of 28013931

1, 3, 9, 23, 69, 99, 207, 297, 891, 1367, 2277, 4101, 6831, 12303, 20493, 31441, 94323, 135333, 282969, 405999, 1217997, 3112659, 9337977, 28013931

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 -28013930
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 28013931 can be divided by 24 positive divisors. The sum of these divisors (counting 28013931) is 1, the average is 0.041666666666667.

Base conversion 28013931

Base System Value
2 Binary 1101010110111010101101011
3 Ternary 1221201020220000
4 Quaternary 1222313111223
5 Quinary 24132421211
6 Senary 2440234043
8 Octal 152672553
10 Decimal 28013931
12 Duodecimal 946b923
16 Hexadecimal 1ab756b
20 Vigesimal 8f1egb
36 Base36 gofor

Cryptographic Hash Functions

md5 dae8b7696dab22cdf0ce5740972cdd23
sha1 72aae5267f21573fd1670ffbbdbbe12d50be212c
sha256 71cd44dcdb5eab7ee03ee7d99928a913ee97ccc0131526132acda2f327587c3c
sha512 b0a731913856846fa73139ae26e499bb2f13a1c78c70f5088608d3ba385bce803e2d4df3810268a8d51b67ba227a6b3ece1d03ef7315d7ba14609b98cabebb5d
ripemd-160 6de5659a76abcdef52c694949b778239edcd6cbc

28013931 as geometric shapes

Circle

Radius = n
Diameter 56027862
Circumference 176016719.65554
Area 2.4654601196384E+15

Sphere

Radius = n
Volume 9.2089639566401E+22
Surface area 9.8618404785534E+15
Circumference 176016719.65554

Square

Length = n
Perimeter 112055724
Area 784780330072761
Diagonal 39617681.155584

Cube

Length = n
Surface area 4708681980436566
Volume 2.1984782016816E+22
Space diagonal 48521551.811729

Equilateral Triangle

Length = n
Perimeter 84041793
Area 3.3981985111667E+14
Altitude 24260775.905864

Triangular Pyramid

Length = n
Surface area 3.3981985111667E+14
Volume 2.5909314078331E+21
Height 13205893.718528