28163381 (number)

28163381 is an odd 8-digits composite number following 28163380 and preceding 28163382. In scientific notation, it is written as 2.8163381 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 27994572 positive integers (up to 28163381) that are relatively prime to 28163381.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8163381 × 10^7
Engineering notation 2.8163381 × 10^6

Prime Factorization of 28163381

Prime Factorization 167 × 168643

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28163381
Product of the distinct prime numbers

The prime factorization of 28163381 is 167 × 168643. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28163381)

Multiplication

n×y
n×2 56326762
n×3 84490143
n×4 112653524
n×5 140816905

Division

n÷y
n÷2 14081690.5
n÷3 9387793.6666667
n÷3 7040845.25
n÷5 5632676.2

Exponentiation

ny
n2 793176029351161
n3 2.2338518714684E+22
n4 6.2912821353727E+29
n5 1.77183775757E+37

Nth Root

y√n
2√n 5306.9182205872
3√n 304.24837230383
4√n 72.848597931512
5√n 30.898468797394

Divisors of 28163381

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28163380
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28163381 can be divided by 4 positive divisors. The sum of these divisors (counting 28163381) is 1, the average is 0.25.

Base conversion 28163381

Base System Value
2 Binary 1101011011011110100110101
3 Ternary 1221222211220012
4 Quaternary 1223123310311
5 Quinary 24202212011
6 Senary 2443350005
8 Octal 153336465
10 Decimal 28163381
12 Duodecimal 9522305
16 Hexadecimal 1adbd35
20 Vigesimal 8g0891
36 Base36 grn05

Cryptographic Hash Functions

md5 d8d64e3e676172a65116c141bb492b12
sha1 35fd35747f0ea7882d81e62b80eb9ea287863792
sha256 a90bd7c94d5b2ed8bda2a68bea564c31e9b0d0289b69f6de47b63192cfe409ac
sha512 079a2ce73d4c7102bd6f8d972c2b0e9d77dc9078f2de4589687ff433047a40a7fe1ee8c24210c00de68b56b8685074e14e1902454a960d4855341fd5e4e84e8e
ripemd-160 988c22a9e4a20c7683d5d4f41f6ac6dea673030e

28163381 as geometric shapes

Circle

Radius = n
Diameter 56326762
Circumference 176955741.6997
Area 2.4918359868131E+15

Sphere

Radius = n
Volume 9.3571368381506E+22
Surface area 9.9673439472525E+15
Circumference 176955741.6997

Square

Length = n
Perimeter 112653524
Area 793176029351161
Diagonal 39829035.372481

Cube

Length = n
Surface area 4759056176106966
Volume 2.2338518714684E+22
Space diagonal 48780406.80492

Equilateral Triangle

Length = n
Perimeter 84490143
Area 3.4345529554549E+14
Altitude 24390203.40246

Triangular Pyramid

Length = n
Surface area 3.4345529554549E+14
Volume 2.6326196774693E+21
Height 13276345.12416