28542990 (number)

28542990 is an even 8-digits composite number following 28542989 and preceding 28542991. In scientific notation, it is written as 2.8542990 × 10^7. The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors. There are 6523776 positive integers (up to 28542990) that are relatively prime to 28542990.

Interesting facts

Basic properties

Name

Name twenty-eight million five hundred forty-two thousand nine hundred ninety

Notation

Scientific notation 2.8542990 × 10^7
Engineering notation 2.8542990 × 10^6

Prime Factorization of 28542990

Prime Factorization 2 × 15 × 7 × 7 × 19417

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 4077570
Product of the distinct prime numbers

The prime factorization of 28542990 is 2 × 15 × 7 × 7 × 19417. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 3, 68, 16, 598, 952, 2790, 907, 71711, 57492, 949625, 658063, 6336327, 1714469, 64344269, 57967538, 133863773, 19538780, 80444504, 5071652234

Basic calculations (n = 28542990)

Multiplication

n×y
n×2 57085980
n×3 85628970
n×4 114171960
n×5 142714950

Division

n÷y
n÷2 14271495
n÷3 9514330
n÷3 7135747.5
n÷5 5708598

Exponentiation

ny
n2 814702278140100
n3 2.325403897793E+22
n4 6.6373980200667E+29
n5 1.8945118531278E+37

Nth Root

y√n
2√n 5342.5639911937
3√n 305.60924534359
4√n 73.092845006839
5√n 30.981318256934

Divisors of 28542990

1, 2, 7, 14, 15, 30, 49, 98, 105, 210, 735, 1470, 19417, 38834, 135919, 271838, 291255, 582510, 951433, 1902866, 2038785, 4077570, 14271495, 28542990

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28542989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28542990 can be divided by 24 positive divisors. The sum of these divisors (counting 28542990) is 1, the average is 0.041666666666667.

Base conversion 28542990

Base System Value
2 Binary 1101100111000100000001110
3 Ternary 1222201010121210
4 Quaternary 1230320200032
5 Quinary 24301333430
6 Senary 2455435250
8 Octal 154704016
10 Decimal 28542990
12 Duodecimal 9685b26
16 Hexadecimal 1b3880e
20 Vigesimal 8i7h9a
36 Base36 gzrwu

Cryptographic Hash Functions

md5 0e47ddc8041a439008bae0786562a55e
sha1 562e1f5c5fe5e4591fd1a9fd5cb73c42e4f4b0ce
sha256 bc648d72d763b2fbf2b4312b77f88525d55b899de1df393bc166bd14b42d7e13
sha512 6949de60a3477b72e7a49e5ef019ba4e93adeb8d544ac7fd3a5c4f5477ab56776b25ecaec8b32b276de7a3935c42679dc07898f0212b5caafd41a35cdf8b0bd2
ripemd-160 3708adb58bc95b05a0bfd5b4becd51ff35f51a59

28542990 as geometric shapes

Circle

Radius = n
Diameter 57085980
Circumference 179340895.39097
Area 2.5594626918678E+15

Sphere

Radius = n
Volume 9.7406290692474E+22
Surface area 1.0237850767471E+16
Circumference 179340895.39097

Square

Length = n
Perimeter 114171960
Area 814702278140100
Diagonal 40365883.56868

Cube

Length = n
Surface area 4888213668840600
Volume 2.325403897793E+22
Space diagonal 49437908.87993

Equilateral Triangle

Length = n
Perimeter 85628970
Area 3.5277643469519E+14
Altitude 24718954.439965

Triangular Pyramid

Length = n
Surface area 3.5277643469519E+14
Volume 2.7405147752118E+21
Height 13455294.522893