28742968 (number)

28742968 is an even 8-digits composite number following 28742967 and preceding 28742969. In scientific notation, it is written as 2.8742968 × 10^7. The sum of its digits is 46. It has a total of 5 prime factors and 16 positive divisors. There are 14020800 positive integers (up to 28742968) that are relatively prime to 28742968.

Interesting facts

Basic properties

Name

Name twenty-eight million seven hundred forty-two thousand nine hundred sixty-eight

Notation

Scientific notation 2.8742968 × 10^7
Engineering notation 2.8742968 × 10^6

Prime Factorization of 28742968

Prime Factorization 2 × 2 × 2 × 41 × 87631

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 7185742
Product of the distinct prime numbers

The prime factorization of 28742968 is 2 × 2 × 2 × 41 × 87631. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 4, 12, 94, 30, 414, 5636, 7138, 47433, 931, 96990, 603032, 5852126, 1506747, 56145535, 30727670, 648822008, 874353240, 1235575984, 8020980297

Basic calculations (n = 28742968)

Multiplication

n×y
n×2 57485936
n×3 86228904
n×4 114971872
n×5 143714840

Division

n÷y
n÷2 14371484
n÷3 9580989.3333333
n÷3 7185742
n÷5 5748593.6

Exponentiation

ny
n2 826158209449024
n3 2.3746238977131E+22
n4 6.8253738704002E+29
n5 1.9618150274495E+37

Nth Root

y√n
2√n 5361.2468698988
3√n 306.32130517909
4√n 73.220535848209
5√n 31.024609388604

Divisors of 28742968

1, 2, 4, 8, 41, 82, 164, 328, 87631, 175262, 350524, 701048, 3592871, 7185742, 14371484, 28742968

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 -28742967
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 28742968 can be divided by 16 positive divisors. The sum of these divisors (counting 28742968) is 1, the average is 0.0625.

Base conversion 28742968

Base System Value
2 Binary 1101101101001010100111000
3 Ternary 2000002021221101
4 Quaternary 1231221110320
5 Quinary 24324233333
6 Senary 2504021144
8 Octal 155512470
10 Decimal 28742968
12 Duodecimal 97617b4
16 Hexadecimal 1b69538
20 Vigesimal 8jch88
36 Base36 h427s

Cryptographic Hash Functions

md5 0bc330fc67317bdf2c38c8e7fcafe078
sha1 8bc476c7051e49c72aac858d08396998579b2ce8
sha256 2ee8002f71e5bda5f16697cc8ff644b3c3f1df9c52b0672e76e4fbc904e042f7
sha512 366b4249db96667745c0d7d2bd91eb3e373a6dd5bf4308f7e81e688d944680b896d12cea7f1051e6399f627e286fbbb3f70f047d230251814ce26a2cd42e7fc2
ripemd-160 272393f257125cf06a7227492c4bf552aa509bfe

28742968 as geometric shapes

Circle

Radius = n
Diameter 57485936
Circumference 180597394.22233
Area 2.595452561508E+15

Sphere

Radius = n
Volume 9.9468013227921E+22
Surface area 1.0381810246032E+16
Circumference 180597394.22233

Square

Length = n
Perimeter 114971872
Area 826158209449024
Diagonal 40648695.168456

Cube

Length = n
Surface area 4956949256694144
Volume 2.3746238977131E+22
Space diagonal 49784280.936326

Equilateral Triangle

Length = n
Perimeter 86228904
Area 3.5773699846396E+14
Altitude 24892140.468163

Triangular Pyramid

Length = n
Surface area 3.5773699846396E+14
Volume 2.7985211014009E+21
Height 13549565.056152