28707957 (number)

28707957 is an odd 8-digits composite number following 28707956 and preceding 28707958. In scientific notation, it is written as 2.8707957 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 18907560 positive integers (up to 28707957) that are relatively prime to 28707957.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8707957 × 10^7
Engineering notation 2.8707957 × 10^6

Prime Factorization of 28707957

Prime Factorization 9 × 83 × 38431

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28707957
Product of the distinct prime numbers

The prime factorization of 28707957 is 9 × 83 × 38431. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 3, 36, 61, 959, 971, 6718, 3401, 38005, 32107, 227511, 57569, 3240485, 3586344, 64082859, 12799188, 453046827, 157754060, 1798366873, 8692541395

Basic calculations (n = 28707957)

Multiplication

n×y
n×2 57415914
n×3 86123871
n×4 114831828
n×5 143539785

Division

n÷y
n÷2 14353978.5
n÷3 9569319
n÷3 7176989.25
n÷5 5741591.4

Exponentiation

ny
n2 824146795113849
n3 2.3659570755816E+22
n4 6.7921793989643E+29
n5 1.9498959412175E+37

Nth Root

y√n
2√n 5357.9806830559
3√n 306.19688086058
4√n 73.198228687967
5√n 31.017047662789

Divisors of 28707957

1, 9, 83, 747, 38431, 345879, 3189773, 28707957

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 -28707956
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 28707957 can be divided by 8 positive divisors. The sum of these divisors (counting 28707957) is 1, the average is 0.125.

Base conversion 28707957

Base System Value
2 Binary 1101101100000110001110101
3 Ternary 2000000111220200
4 Quaternary 1231200301311
5 Quinary 24322123312
6 Senary 2503151113
8 Octal 155406165
10 Decimal 28707957
12 Duodecimal 9745499
16 Hexadecimal 1b60c75
20 Vigesimal 8j89hh
36 Base36 h3b79

Cryptographic Hash Functions

md5 aad24c2c12f499af7a45b18cd35c20f4
sha1 e00ef4058449b9736e3d4d7b72c07417479a0f20
sha256 a49c78f27c875f01e581beb16b50a66d8bb419eee4199bc53a54db5d0f492162
sha512 d3d52e2751dba10b783e4c353b06f34fbcacea788933247ea37be1a1a176f2c799ebfee7113266285d56b60e9223c76e20b5450438cf126b5665d59371ef68d3
ripemd-160 f52e3a37d619158f931a294e3240edabf4e70160

28707957 as geometric shapes

Circle

Radius = n
Diameter 57415914
Circumference 180377413.62154
Area 2.5891335170092E+15

Sphere

Radius = n
Volume 9.9104978231413E+22
Surface area 1.0356534068037E+16
Circumference 180377413.62154

Square

Length = n
Perimeter 114831828
Area 824146795113849
Diagonal 40599182.137424

Cube

Length = n
Surface area 4944880770683094
Volume 2.3659570755816E+22
Space diagonal 49723640.105503

Equilateral Triangle

Length = n
Perimeter 86123871
Area 3.5686603050806E+14
Altitude 24861820.052751

Triangular Pyramid

Length = n
Surface area 3.5686603050806E+14
Volume 2.7883071535668E+21
Height 13533060.712475