28888978 (number)

28888978 is an even 8-digits composite number following 28888977 and preceding 28888979. In scientific notation, it is written as 2.8888978 × 10^7. The sum of its digits is 58. It has a total of 2 prime factors and 4 positive divisors. There are 14444488 positive integers (up to 28888978) that are relatively prime to 28888978.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8888978 × 10^7
Engineering notation 2.8888978 × 10^6

Prime Factorization of 28888978

Prime Factorization 2 × 14444489

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28888978
Product of the distinct prime numbers

The prime factorization of 28888978 is 2 × 14444489. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 4, 41, 11, 439, 734, 2560, 4901, 82848, 31738, 142935, 289977, 9240605, 8265839, 6132972, 56080177, 593662290, 745921555, 7678950365, 4330453791

Basic calculations (n = 28888978)

Multiplication

n×y
n×2 57777956
n×3 86666934
n×4 115555912
n×5 144444890

Division

n÷y
n÷2 14444489
n÷3 9629659.3333333
n÷3 7222244.5
n÷5 5777795.6

Exponentiation

ny
n2 834573049884484
n3 2.4109962477506E+22
n4 6.9651217559349E+29
n5 2.0121524917452E+37

Nth Root

y√n
2√n 5374.8467885141
3√n 306.83911824344
4√n 73.313346591968
5√n 31.056065615937

Divisors of 28888978

1, 2, 14444489, 28888978

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28888977
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28888978 can be divided by 4 positive divisors. The sum of these divisors (counting 28888978) is 1, the average is 0.25.

Base conversion 28888978

Base System Value
2 Binary 1101110001100111110010010
3 Ternary 2000100201020011
4 Quaternary 1232030332102
5 Quinary 24343421403
6 Senary 2511105134
8 Octal 156147622
10 Decimal 28888978
12 Duodecimal 98121aa
16 Hexadecimal 1b8cf92
20 Vigesimal 90b28i
36 Base36 h76vm

Cryptographic Hash Functions

md5 2b30f335d52c3d032339a2bb92f6049f
sha1 82753aad7d634ff4d909ae4de3c3692f1cf96bd0
sha256 d2cd7f32e208594a825b4e77b1643bb82581b0da2f13e9588591d6f1e73cac35
sha512 a2d57f18c9335c16511ee3a5da0961343cbc420c415b7922d3cc91fb1fbeb7d00c33f1bdc0db5bb8a03bd3e757d5cc7d8d949354aea4a26b5686ea1ad8ef44b7
ripemd-160 90f0d9899508c1c3c5f8ad06a18ffc0c89be2ba1

28888978 as geometric shapes

Circle

Radius = n
Diameter 57777956
Circumference 181514802.10903
Area 2.6218885624011E+15

Sphere

Radius = n
Volume 1.0099157466354E+23
Surface area 1.0487554249604E+16
Circumference 181514802.10903

Square

Length = n
Perimeter 115555912
Area 834573049884484
Diagonal 40855184.490698

Cube

Length = n
Surface area 5007438299306904
Volume 2.4109962477506E+22
Space diagonal 50037177.67474

Equilateral Triangle

Length = n
Perimeter 86666934
Area 3.6138073125691E+14
Altitude 25018588.83737

Triangular Pyramid

Length = n
Surface area 3.6138073125691E+14
Volume 2.8413863269996E+21
Height 13618394.830233