28678437 (number)

28678437 is an odd 8-digits composite number following 28678436 and preceding 28678438. In scientific notation, it is written as 2.8678437 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 19089000 positive integers (up to 28678437) that are relatively prime to 28678437.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred seventy-eight thousand four hundred thirty-seven

Notation

Scientific notation 2.8678437 × 10^7
Engineering notation 2.8678437 × 10^6

Prime Factorization of 28678437

Prime Factorization 9 × 751 × 4243

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28678437
Product of the distinct prime numbers

The prime factorization of 28678437 is 9 × 751 × 4243. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 9, 19, 12, 21, 674, 3309, 3876, 82662, 23496, 909427, 681153, 3216250, 8921139, 30282092, 6524966, 768482538, 155417364, 1734562789, 9244951521

Basic calculations (n = 28678437)

Multiplication

n×y
n×2 57356874
n×3 86035311
n×4 114713748
n×5 143392185

Division

n÷y
n÷2 14339218.5
n÷3 9559479
n÷3 7169609.25
n÷5 5735687.4

Exponentiation

ny
n2 822452748762969
n3 2.3586659340876E+22
n4 6.7642852394776E+29
n5 1.9398912809039E+37

Nth Root

y√n
2√n 5355.2252053485
3√n 306.09189217635
4√n 73.179404242919
5√n 31.010666156166

Divisors of 28678437

1, 9, 751, 4243, 6759, 38187, 3186493, 28678437

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 -28678436
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 28678437 can be divided by 8 positive divisors. The sum of these divisors (counting 28678437) is 1, the average is 0.125.

Base conversion 28678437

Base System Value
2 Binary 1101101011001100100100101
3 Ternary 1222222000102100
4 Quaternary 1231121210211
5 Quinary 24320202222
6 Senary 2502402313
8 Octal 155314445
10 Decimal 28678437
12 Duodecimal 9730399
16 Hexadecimal 1b59925
20 Vigesimal 8j4g1h
36 Base36 h2of9

Cryptographic Hash Functions

md5 6c9559075b2e4a4545c0ddda43809702
sha1 8d5ad4ef5e2192895af640f9c4c0f73641104530
sha256 997cb7fe7eb9470b8149698e6ad386c8990214fd0b62e5bcf3f5db7d1d1c9762
sha512 b47044d3282f4ae9291cad54001f576db5f03e250cd061e9c007f1d00fb20e7fa3ca49bcc20481e7b37ba4a1f35e80107a362eb56ab2dabf867f3d961aa3a5e0
ripemd-160 1ece4162e75dccd0414065638cfb51213d73161e

28678437 as geometric shapes

Circle

Radius = n
Diameter 57356874
Circumference 180191933.99128
Area 2.5838115134385E+15

Sphere

Radius = n
Volume 9.8799567610693E+22
Surface area 1.0335246053754E+16
Circumference 180191933.99128

Square

Length = n
Perimeter 114713748
Area 822452748762969
Diagonal 40557434.553062

Cube

Length = n
Surface area 4934716492577814
Volume 2.3586659340876E+22
Space diagonal 49672509.965663

Equilateral Triangle

Length = n
Perimeter 86035311
Area 3.5613248692054E+14
Altitude 24836254.982832

Triangular Pyramid

Length = n
Surface area 3.5613248692054E+14
Volume 2.7797144609117E+21
Height 13519144.851021