28396985 (number)

28396985 is an odd 8-digits composite number following 28396984 and preceding 28396986. In scientific notation, it is written as 2.8396985 × 10^7. The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors. There are 22061760 positive integers (up to 28396985) that are relatively prime to 28396985.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred ninety-six thousand nine hundred eighty-five

Notation

Scientific notation 2.8396985 × 10^7
Engineering notation 2.8396985 × 10^6

Prime Factorization of 28396985

Prime Factorization 43 × 5 × 491 × 269

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28396985
Product of the distinct prime numbers

The prime factorization of 28396985 is 43 × 5 × 491 × 269. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 8, 21, 63, 366, 818, 7181, 9959, 66239, 2848, 927682, 66612, 9677522, 2829421, 73137204, 20711267, 626214528, 723884885, 4155742364, 7690985699

Basic calculations (n = 28396985)

Multiplication

n×y
n×2 56793970
n×3 85190955
n×4 113587940
n×5 141984925

Division

n÷y
n÷2 14198492.5
n÷3 9465661.6666667
n÷3 7099246.25
n÷5 5679397

Exponentiation

ny
n2 806388757090225
n3 2.289900943926E+22
n4 6.5026282756152E+29
n5 1.8465503760322E+37

Nth Root

y√n
2√n 5328.8821529473
3√n 305.08726339408
4√n 72.999192823943
5√n 30.949557664962

Divisors of 28396985

1, 5, 43, 215, 269, 491, 1345, 2455, 11567, 21113, 57835, 105565, 132079, 660395, 5679397, 28396985

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 -28396984
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 28396985 can be divided by 16 positive divisors. The sum of these divisors (counting 28396985) is 1, the average is 0.0625.

Base conversion 28396985

Base System Value
2 Binary 1101100010100110110111001
3 Ternary 1222102201100012
4 Quaternary 1230110312321
5 Quinary 24232200420
6 Senary 2452351305
8 Octal 154246671
10 Decimal 28396985
12 Duodecimal 9615535
16 Hexadecimal 1b14db9
20 Vigesimal 8h9c95
36 Base36 gwn95

Cryptographic Hash Functions

md5 79926b8217b0eccf6607064d7c82a7d8
sha1 5a7424f1ce2e33db780c14f823a00ec67c190f0a
sha256 5e61aa2ce2d8beecd84de3425764cec13b47fe238896a9e0afd719db6f2a268f
sha512 e1d0efce6b66ad5d876718c681f7d7b1a0f281b2a952c7caaafbbcb4bc8ca379b2882fdab5b4a575ac7ef69d15eb7f04232d3f6f80f7bd09ef73ac186404e35e
ripemd-160 21d9b4f02ee8e619b986ae53a0f48c517e740a19

28396985 as geometric shapes

Circle

Radius = n
Diameter 56793970
Circumference 178423518.9202
Area 2.5333449952121E+15

Sphere

Radius = n
Volume 9.5919146438482E+22
Surface area 1.0133379980848E+16
Circumference 178423518.9202

Square

Length = n
Perimeter 113587940
Area 806388757090225
Diagonal 40159401.317505

Cube

Length = n
Surface area 4838332542541350
Volume 2.289900943926E+22
Space diagonal 49185020.801771

Equilateral Triangle

Length = n
Perimeter 85190955
Area 3.4917657448315E+14
Altitude 24592510.400886

Triangular Pyramid

Length = n
Surface area 3.4917657448315E+14
Volume 2.6986741428259E+21
Height 13386467.105835