28000161 (number)

28000161 is an odd 8-digits composite number following 28000160 and preceding 28000162. In scientific notation, it is written as 2.8000161 × 10^7. The sum of its digits is 18. It has a total of 7 prime factors and 48 positive divisors. There are 15221520 positive integers (up to 28000161) that are relatively prime to 28000161.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one

Notation

Scientific notation 2.8000161 × 10^7
Engineering notation 2.8000161 × 10^6

Prime Factorization of 28000161

Prime Factorization 3 × 3 × 9 × 63 × 3 × 31 × 59

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3111129
Product of the distinct prime numbers

The prime factorization of 28000161 is 3 × 3 × 9 × 63 × 3 × 31 × 59. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28000161)

Multiplication

n×y
n×2 56000322
n×3 84000483
n×4 112000644
n×5 140000805

Division

n÷y
n÷2 14000080.5
n÷3 9333387
n÷3 7000040.25
n÷5 5600032.2

Exponentiation

ny
n2 784009016025921
n3 2.1952378674177E+22
n4 6.1467013720993E+29
n5 1.721086280377E+37

Nth Root

y√n
2√n 5291.5178351774
3√n 303.65947919934
4√n 72.74281981871
5√n 30.862571260153

Divisors of 28000161

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28000160
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28000161 can be divided by 48 positive divisors. The sum of these divisors (counting 28000161) is 1, the average is 0.020833333333333.

Base conversion 28000161

Base System Value
2 Binary 1101010110011111110100001
3 Ternary 1221200120000000
4 Quaternary 1222303332201
5 Quinary 24132001121
6 Senary 2440050213
8 Octal 152637641
10 Decimal 28000161
12 Duodecimal 9463969
16 Hexadecimal 1ab3fa1
20 Vigesimal 8f0081
36 Base36 go529

Cryptographic Hash Functions

md5 649a03ca115b956da857d33a321c93f2
sha1 8ce8476133aa5b2cdc47b17d6421a836036a7ad5
sha256 35999b234caf00f99e9ab5f0503f37c7ed9f1cd3be765a15388834c6e47d428f
sha512 81cbc54246b2c538dfe75a015f2ef7787e80584eb4263d464d2db4c6b1e31af42393158d0e3e473f55f1bb3660410d677a0cfeea21aa2f6876bbae3e5bae1c27
ripemd-160 91e508489d724daf3d9f130c7e59ce91a64bc5f6

28000161 as geometric shapes

Circle

Radius = n
Diameter 56000322
Circumference 175930200.19386
Area 2.4630369650952E+15

Sphere

Radius = n
Volume 9.1953908762156E+22
Surface area 9.8521478603808E+15
Circumference 175930200.19386

Square

Length = n
Perimeter 112000644
Area 784009016025921
Diagonal 39598207.43483

Cube

Length = n
Surface area 4704054096155526
Volume 2.1952378674177E+22
Space diagonal 48497701.472109

Equilateral Triangle

Length = n
Perimeter 84000483
Area 3.3948586233724E+14
Altitude 24248850.736054

Triangular Pyramid

Length = n
Surface area 3.3948586233724E+14
Volume 2.587112637281E+21
Height 13199402.478277