28181007 (number)

28181007 is an odd 8-digits composite number following 28181006 and preceding 28181008. In scientific notation, it is written as 2.8181007 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 18739512 positive integers (up to 28181007) that are relatively prime to 28181007.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8181007 × 10^7
Engineering notation 2.8181007 × 10^6

Prime Factorization of 28181007

Prime Factorization 3 × 9 × 479 × 2179

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28181007
Product of the distinct prime numbers

The prime factorization of 28181007 is 3 × 9 × 479 × 2179. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 64, 61, 771, 88, 9177, 5799, 48837, 1840, 690286, 36404, 5808897, 5524333, 99860453, 3685071, 194268092, 319878450, 5063699361, 9529699647

Basic calculations (n = 28181007)

Multiplication

n×y
n×2 56362014
n×3 84543021
n×4 112724028
n×5 140905035

Division

n÷y
n÷2 14090503.5
n÷3 9393669
n÷3 7045251.75
n÷5 5636201.4

Exponentiation

ny
n2 794169155534049
n3 2.2380486531289E+22
n4 6.3070464760166E+29
n5 1.7773892088995E+37

Nth Root

y√n
2√n 5308.5786233228
3√n 304.31183016136
4√n 72.859993297576
5√n 30.902335379488

Divisors of 28181007

1, 3, 9, 27, 479, 1437, 2179, 4311, 6537, 12933, 19611, 58833, 1043741, 3131223, 9393669, 28181007

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 -28181006
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 28181007 can be divided by 16 positive divisors. The sum of these divisors (counting 28181007) is 1, the average is 0.0625.

Base conversion 28181007

Base System Value
2 Binary 1101011100000001000001111
3 Ternary 1222000202002000
4 Quaternary 1223200020033
5 Quinary 24203243012
6 Senary 2444003343
8 Octal 153401017
10 Decimal 28181007
12 Duodecimal 9530553
16 Hexadecimal 1ae020f
20 Vigesimal 8g2ca7
36 Base36 gs0lr

Cryptographic Hash Functions

md5 bd94e3b30d8813026b8d4e87792dff9b
sha1 31885959bb5a7a4a4056f616d26152fe57389256
sha256 308df2608bc26011cbd597d445bc53d92a13b8f7a56ccc3579caf091fb704b41
sha512 6e8584693092cd9b3b84a6942abd4d1c16b440f63c0ac5a7fc935513279c18c70262ecc3e41dd3b3b67a47e42883bcc1e650fbc6037d955c548b7b024a4ecf3c
ripemd-160 4058f5f13580d7e375479a0d5c72287c7098f9b3

28181007 as geometric shapes

Circle

Radius = n
Diameter 56362014
Circumference 177066489.12393
Area 2.4949559847334E+15

Sphere

Radius = n
Volume 9.3747162760618E+22
Surface area 9.9798239389335E+15
Circumference 177066489.12393

Square

Length = n
Perimeter 112724028
Area 794169155534049
Diagonal 39853962.300731

Cube

Length = n
Surface area 4765014933204294
Volume 2.2380486531289E+22
Space diagonal 48810935.932454

Equilateral Triangle

Length = n
Perimeter 84543021
Area 3.4388533179726E+14
Altitude 24405467.966227

Triangular Pyramid

Length = n
Surface area 3.4388533179726E+14
Volume 2.6375656320881E+21
Height 13284654.100244