28162381 (number)

28162381 is an odd 8-digits composite number following 28162380 and preceding 28162382. In scientific notation, it is written as 2.8162381 × 10^7. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 25870320 positive integers (up to 28162381) that are relatively prime to 28162381.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-two thousand three hundred eighty-one

Notation

Scientific notation 2.8162381 × 10^7
Engineering notation 2.8162381 × 10^6

Prime Factorization of 28162381

Prime Factorization 13 × 211 × 10267

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28162381
Product of the distinct prime numbers

The prime factorization of 28162381 is 13 × 211 × 10267. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 10, 59, 89, 439, 446, 7836, 1730, 43142, 97046, 424401, 547213, 4765142, 7759643, 56614978, 96678681, 338270959, 384026619, 2140954954, 2771331294

Basic calculations (n = 28162381)

Multiplication

n×y
n×2 56324762
n×3 84487143
n×4 112649524
n×5 140811905

Division

n÷y
n÷2 14081190.5
n÷3 9387460.3333333
n÷3 7040595.25
n÷5 5632476.2

Exponentiation

ny
n2 793119703589161
n3 2.2336139271085E+22
n4 6.2903886422136E+29
n5 1.7715232158009E+37

Nth Root

y√n
2√n 5306.8240031115
3√n 304.24477126869
4√n 72.84795126228
5√n 30.89824937127

Divisors of 28162381

1, 13, 211, 2743, 10267, 133471, 2166337, 28162381

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28162380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28162381 can be divided by 8 positive divisors. The sum of these divisors (counting 28162381) is 1, the average is 0.125.

Base conversion 28162381

Base System Value
2 Binary 1101011011011100101001101
3 Ternary 1221222210112011
4 Quaternary 1223123211031
5 Quinary 24202144011
6 Senary 2443341221
8 Octal 153334515
10 Decimal 28162381
12 Duodecimal 9521811
16 Hexadecimal 1adb94d
20 Vigesimal 8g05j1
36 Base36 grm8d

Cryptographic Hash Functions

md5 b9e960e4046c56ad7043083d5f7b7a95
sha1 326c39a3c0edf2f0fc4ab53e956fba630721cf11
sha256 8d8cd2360cf347ae8fc24447562b03e642b8c7e869009812a9b7bd2aee20bea3
sha512 e5f77685a264fdb47aef9c647ae6091ca93bd9a96d07c91d3e6c428f30f3c681ddfc610dc72ac1180ed4a274a8a523eef2cca27173fbc10c332a608a95085b7e
ripemd-160 c43faaa16116fa2f382eeecbfd53984fc65f385a

28162381 as geometric shapes

Circle

Radius = n
Diameter 56324762
Circumference 176949458.51439
Area 2.491659034213E+15

Sphere

Radius = n
Volume 9.3561401391466E+22
Surface area 9.9666361368521E+15
Circumference 176949458.51439

Square

Length = n
Perimeter 112649524
Area 793119703589161
Diagonal 39827621.158918

Cube

Length = n
Surface area 4758718221534966
Volume 2.2336139271085E+22
Space diagonal 48778674.754112

Equilateral Triangle

Length = n
Perimeter 84487143
Area 3.434309057751E+14
Altitude 24389337.377056

Triangular Pyramid

Length = n
Surface area 3.434309057751E+14
Volume 2.6323392573519E+21
Height 13275873.719639