28742488 (number)

28742488 is an even 8-digits composite number following 28742487 and preceding 28742489. In scientific notation, it is written as 2.8742488 × 10^7. The sum of its digits is 43. It has a total of 5 prime factors and 16 positive divisors. There are 13982688 positive integers (up to 28742488) that are relatively prime to 28742488.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-two thousand four hundred eighty-eight

Notation

Scientific notation 2.8742488 × 10^7
Engineering notation 2.8742488 × 10^6

Prime Factorization of 28742488

Prime Factorization 2 × 2 × 2 × 37 × 97103

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7185622
Product of the distinct prime numbers

The prime factorization of 28742488 is 2 × 2 × 2 × 37 × 97103. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 5, 20, 68, 398, 781, 4985, 8558, 44430, 21303, 151756, 315179, 7592900, 2851068, 10744493, 23265619, 614193949, 61440297, 1885120368, 349761035

Basic calculations (n = 28742488)

Multiplication

n×y
n×2 57484976
n×3 86227464
n×4 114969952
n×5 143712440

Division

n÷y
n÷2 14371244
n÷3 9580829.3333333
n÷3 7185622
n÷5 5748497.6

Exponentiation

ny
n2 826130616430144
n3 2.3745049329176E+22
n4 6.8249179540325E+29
n5 1.9616512239476E+37

Nth Root

y√n
2√n 5361.2021040062
3√n 306.31960000787
4√n 73.220230155375
5√n 31.024505767349

Divisors of 28742488

1, 2, 4, 8, 37, 74, 148, 296, 97103, 194206, 388412, 776824, 3592811, 7185622, 14371244, 28742488

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 -28742487
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 28742488 can be divided by 16 positive divisors. The sum of these divisors (counting 28742488) is 1, the average is 0.0625.

Base conversion 28742488

Base System Value
2 Binary 1101101101001001101011000
3 Ternary 2000002021021121
4 Quaternary 1231221031120
5 Quinary 24324224423
6 Senary 2504015024
8 Octal 155511530
10 Decimal 28742488
12 Duodecimal 9761474
16 Hexadecimal 1b69358
20 Vigesimal 8jcg48
36 Base36 h41ug

Cryptographic Hash Functions

md5 8e7d6e0a0d61b34b9f31bf988835faeb
sha1 ceb82129199ccdb02a73d1f7d977efa0765322d5
sha256 ee97e9a7849d315b6314eecdf773610fd365397456b01f110cd9fc4a40b955ea
sha512 0216d0661868a3cc5df4fe75b5ed20d08d5a0ed800ad3c774b41e7c638deb9e1871466c0e12454d7b1634751a0bc7a83f67f23a7346bd8f37663253aefc00360
ripemd-160 2fe5ada430eec3f57a7e48e03ebf2a2412144fd6

28742488 as geometric shapes

Circle

Radius = n
Diameter 57484976
Circumference 180594378.29339
Area 2.5953658754825E+15

Sphere

Radius = n
Volume 9.9463030042222E+22
Surface area 1.038146350193E+16
Circumference 180594378.29339

Square

Length = n
Perimeter 114969952
Area 826130616430144
Diagonal 40648016.345946

Cube

Length = n
Surface area 4956783698580864
Volume 2.3745049329176E+22
Space diagonal 49783449.551939

Equilateral Triangle

Length = n
Perimeter 86227464
Area 3.577250503363E+14
Altitude 24891724.775969

Triangular Pyramid

Length = n
Surface area 3.577250503363E+14
Volume 2.7983809000449E+21
Height 13549338.781982