28888938 (number)

28888938 is an even 8-digits composite number following 28888937 and preceding 28888939. In scientific notation, it is written as 2.8888938 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 8888832 positive integers (up to 28888938) that are relatively prime to 28888938.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred eighty-eight thousand nine hundred thirty-eight

Notation

Scientific notation 2.8888938 × 10^7
Engineering notation 2.8888938 × 10^6

Prime Factorization of 28888938

Prime Factorization 2 × 9 × 13 × 123457

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28888938
Product of the distinct prime numbers

The prime factorization of 28888938 is 2 × 9 × 13 × 123457. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28888938)

Multiplication

n×y
n×2 57777876
n×3 86666814
n×4 115555752
n×5 144444690

Division

n÷y
n÷2 14444469
n÷3 9629646
n÷3 7222234.5
n÷5 5777787.6

Exponentiation

ny
n2 834570738767844
n3 2.4109862328878E+22
n4 6.965083180075E+29
n5 2.0121385615403E+37

Nth Root

y√n
2√n 5374.8430674765
3√n 306.83897662575
4√n 73.313321214336
5√n 31.056057015818

Divisors of 28888938

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 -28888937
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 28888938 can be divided by 16 positive divisors. The sum of these divisors (counting 28888938) is 1, the average is 0.0625.

Base conversion 28888938

Base System Value
2 Binary 1101110001100111101101010
3 Ternary 2000100201011200
4 Quaternary 1232030331222
5 Quinary 24343421223
6 Senary 2511105030
8 Octal 156147552
10 Decimal 28888938
12 Duodecimal 9812176
16 Hexadecimal 1b8cf6a
20 Vigesimal 90b26i
36 Base36 h76ui

Cryptographic Hash Functions

md5 c9b7b8421faeeef8c376bf9a9a472cf1
sha1 dda20b719a8f33c189bf0778daf2f9e7202ddbdc
sha256 a05530a837a7f7593ddd970dae969bde68235eba603e2b2150c2b8197f198ff1
sha512 ba11cca9661579361e1e45146621281b583cf959fdc29113b9a14df5b7dd2ff354a83b20f823ba6eba4f994ccd608fac73e5db57945be4e9f85082a707b49102
ripemd-160 f4471c1966aab79a57b4d97f9c13f5206bf03098

28888938 as geometric shapes

Circle

Radius = n
Diameter 57777876
Circumference 181514550.78162
Area 2.6218813018141E+15

Sphere

Radius = n
Volume 1.0099115516195E+23
Surface area 1.0487525207256E+16
Circumference 181514550.78162

Square

Length = n
Perimeter 115555752
Area 834570738767844
Diagonal 40855127.922155

Cube

Length = n
Surface area 5007424432607064
Volume 2.4109862328878E+22
Space diagonal 50037108.392707

Equilateral Triangle

Length = n
Perimeter 86666814
Area 3.6137973051405E+14
Altitude 25018554.196354

Triangular Pyramid

Length = n
Surface area 3.6137973051405E+14
Volume 2.8413745243707E+21
Height 13618375.974052