28888942 (number)

28888942 is an even 8-digits composite number following 28888941 and preceding 28888943. In scientific notation, it is written as 2.8888942 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 14352312 positive integers (up to 28888942) that are relatively prime to 28888942.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred eighty-eight thousand nine hundred forty-two

Notation

Scientific notation 2.8888942 × 10^7
Engineering notation 2.8888942 × 10^6

Prime Factorization of 28888942

Prime Factorization 2 × 157 × 92003

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28888942
Product of the distinct prime numbers

The prime factorization of 28888942 is 2 × 157 × 92003. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28888942)

Multiplication

n×y
n×2 57777884
n×3 86666826
n×4 115555768
n×5 144444710

Division

n÷y
n÷2 14444471
n÷3 9629647.3333333
n÷3 7222235.5
n÷5 5777788.4

Exponentiation

ny
n2 834570969879364
n3 2.4109872343729E+22
n4 6.9650870376538E+29
n5 2.0121399545573E+37

Nth Root

y√n
2√n 5374.8434395804
3√n 306.83899078753
4√n 73.313323752101
5√n 31.05605787583

Divisors of 28888942

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 -28888941
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 28888942 can be divided by 8 positive divisors. The sum of these divisors (counting 28888942) is 1, the average is 0.125.

Base conversion 28888942

Base System Value
2 Binary 1101110001100111101101110
3 Ternary 2000100201011211
4 Quaternary 1232030331232
5 Quinary 24343421232
6 Senary 2511105034
8 Octal 156147556
10 Decimal 28888942
12 Duodecimal 981217a
16 Hexadecimal 1b8cf6e
20 Vigesimal 90b272
36 Base36 h76um

Cryptographic Hash Functions

md5 ac2fe86ec5124d06f9938ab65c6dea87
sha1 13f7a79aa29353ccc03192c5bab3b705828e079d
sha256 c853b9dd838dfede21726c49624358648f9ee56fb303dd7307ac8ddf1e47c247
sha512 8396b2283c24bf317925aacb2dd12da993f0bae90719d14f3bc74319797cfe601d3806dcccd959bb50f794df6ec8c2925adae1bf6a0080da5b4f3f053a8a93e4
ripemd-160 5c23451cc3df4d49ba385a368f17253bbcc3dabf

28888942 as geometric shapes

Circle

Radius = n
Diameter 57777884
Circumference 181514575.91436
Area 2.6218820278723E+15

Sphere

Radius = n
Volume 1.0099119711206E+23
Surface area 1.0487528111489E+16
Circumference 181514575.91436

Square

Length = n
Perimeter 115555768
Area 834570969879364
Diagonal 40855133.57901

Cube

Length = n
Surface area 5007425819276184
Volume 2.4109872343729E+22
Space diagonal 50037115.32091

Equilateral Triangle

Length = n
Perimeter 86666826
Area 3.6137983058827E+14
Altitude 25018557.660455

Triangular Pyramid

Length = n
Surface area 3.6137983058827E+14
Volume 2.8413757046321E+21
Height 13618377.85967