28689957 (number)

28689957 is an odd 8-digits composite number following 28689956 and preceding 28689958. In scientific notation, it is written as 2.8689957 × 10^7. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 19041480 positive integers (up to 28689957) that are relatively prime to 28689957.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-nine thousand nine hundred fifty-seven

Notation

Scientific notation 2.8689957 × 10^7
Engineering notation 2.8689957 × 10^6

Prime Factorization of 28689957

Prime Factorization 81 × 271 × 1307

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28689957
Product of the distinct prime numbers

The prime factorization of 28689957 is 81 × 271 × 1307. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28689957)

Multiplication

n×y
n×2 57379914
n×3 86069871
n×4 114759828
n×5 143449785

Division

n÷y
n÷2 14344978.5
n÷3 9563319
n÷3 7172489.25
n÷5 5737991.4

Exponentiation

ny
n2 823113632661849
n3 2.3615094727182E+22
n4 6.7751605227379E+29
n5 1.9437906406545E+37

Nth Root

y√n
2√n 5356.300682374
3√n 306.13287193817
4√n 73.186752096086
5√n 31.01315712516

Divisors of 28689957

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 -28689956
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 28689957 can be divided by 8 positive divisors. The sum of these divisors (counting 28689957) is 1, the average is 0.125.

Base conversion 28689957

Base System Value
2 Binary 1101101011100011000100101
3 Ternary 1222222121020000
4 Quaternary 1231130120211
5 Quinary 24321034312
6 Senary 2502531513
8 Octal 155343045
10 Decimal 28689957
12 Duodecimal 9736b99
16 Hexadecimal 1b5c625
20 Vigesimal 8j64hh
36 Base36 h2xb9

Cryptographic Hash Functions

md5 1c51c1c81b6779825d5cea124f046886
sha1 5675ff5150915945d4df117a1910fd4c16bd3078
sha256 53912a657592419edf1530d7c0b70b56ca014048faed3d33cebcc8638deba942
sha512 61bb692aa24b3863e684e5c0a3ab1626eab01a4bfd4358e9d9ed8a3d12f7e82ff0550a8b68285e0d88c1febed8b098dac29e7e263c7cbc630c773fc46cf61198
ripemd-160 6f7a8097ba895b520ff81b5bedde3884baf96880

28689957 as geometric shapes

Circle

Radius = n
Diameter 57379914
Circumference 180264316.28601
Area 2.5858877414401E+15

Sphere

Radius = n
Volume 9.8918677478324E+22
Surface area 1.034355096576E+16
Circumference 180264316.28601

Square

Length = n
Perimeter 114759828
Area 823113632661849
Diagonal 40573726.293301

Cube

Length = n
Surface area 4938681795971094
Volume 2.3615094727182E+22
Space diagonal 49692463.190966

Equilateral Triangle

Length = n
Perimeter 86069871
Area 3.5641865804323E+14
Altitude 24846231.595483

Triangular Pyramid

Length = n
Surface area 3.5641865804323E+14
Volume 2.7830656033255E+21
Height 13524575.4311