28161864 (number)

28161864 is an even 8-digits composite number following 28161863 and preceding 28161865. In scientific notation, it is written as 2.8161864 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 16 positive divisors. There are 9387216 positive integers (up to 28161864) that are relatively prime to 28161864.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one thousand eight hundred sixty-four

Notation

Scientific notation 2.8161864 × 10^7
Engineering notation 2.8161864 × 10^6

Prime Factorization of 28161864

Prime Factorization 2 × 2 × 2 × 27 × 130379

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7040466
Product of the distinct prime numbers

The prime factorization of 28161864 is 2 × 2 × 2 × 27 × 130379. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 9, 40, 61, 729, 688, 2709, 9491, 99077, 15512, 462997, 975606, 9396698, 9721155, 21191482, 43781346, 142933274, 913881003, 88848801, 731585367

Basic calculations (n = 28161864)

Multiplication

n×y
n×2 56323728
n×3 84485592
n×4 112647456
n×5 140809320

Division

n÷y
n÷2 14080932
n÷3 9387288
n÷3 7040466
n÷5 5632372.8

Exponentiation

ny
n2 793090583954496
n3 2.2334909165007E+22
n4 6.2899267435728E+29
n5 1.7713606152246E+37

Nth Root

y√n
2√n 5306.7752920206
3√n 304.2429095001
4√n 72.847616927533
5√n 30.89813592552

Divisors of 28161864

1, 2, 4, 8, 27, 54, 108, 216, 130379, 260758, 521516, 1043032, 3520233, 7040466, 14080932, 28161864

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 -28161863
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 28161864 can be divided by 16 positive divisors. The sum of these divisors (counting 28161864) is 1, the average is 0.0625.

Base conversion 28161864

Base System Value
2 Binary 1101011011011011101001000
3 Ternary 1221222202211000
4 Quaternary 1223123131020
5 Quinary 24202134424
6 Senary 2443335000
8 Octal 153333510
10 Decimal 28161864
12 Duodecimal 9521460
16 Hexadecimal 1adb748
20 Vigesimal 8g04d4
36 Base36 grlu0

Cryptographic Hash Functions

md5 dbc4de0fa81fbc8600b210ba2a848591
sha1 09c60259a31df1fa77aff6e1bf15e28eae317691
sha256 5a9ca2c9fa583ce23a2eb192c4eee9417ffe5cc804c8270e20420b4244fc07cb
sha512 a6dfb96082626b09b1e832faf59926f188470b80c50caf6fa7985dbd1cbc835226fce7fe42fd0d27bde2adf0bd34fb81a04d7ba99e01f2b47f5f8d2cbe47fac2
ripemd-160 e4592a0cc3b6cdf6c09f40b05c0f5574812bd55f

28161864 as geometric shapes

Circle

Radius = n
Diameter 56323728
Circumference 176946210.10759
Area 2.4915675521827E+15

Sphere

Radius = n
Volume 9.3556248735176E+22
Surface area 9.9662702087307E+15
Circumference 176946210.10759

Square

Length = n
Perimeter 112647456
Area 793090583954496
Diagonal 39826890.010507

Cube

Length = n
Surface area 4758543503726976
Volume 2.2334909165007E+22
Space diagonal 48777779.283845

Equilateral Triangle

Length = n
Perimeter 84485592
Area 3.4341829660341E+14
Altitude 24388889.641922

Triangular Pyramid

Length = n
Surface area 3.4341829660341E+14
Volume 2.6321942879603E+21
Height 13275630.003502