28396988 (number)

28396988 is an even 8-digits composite number following 28396987 and preceding 28396989. In scientific notation, it is written as 2.8396988 × 10^7. The sum of its digits is 53. It has a total of 4 prime factors and 12 positive divisors. There are 14186160 positive integers (up to 28396988) that are relatively prime to 28396988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8396988 × 10^7
Engineering notation 2.8396988 × 10^6

Prime Factorization of 28396988

Prime Factorization 2 × 2 × 1531 × 4637

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14198494
Product of the distinct prime numbers

The prime factorization of 28396988 is 2 × 2 × 1531 × 4637. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 55, 65, 591, 857, 3801, 9786, 16019, 735, 614423, 26559, 6078134, 1743736, 71017202, 56624318, 741729177, 43927214, 8383465521, 5799680520

Basic calculations (n = 28396988)

Multiplication

n×y
n×2 56793976
n×3 85190964
n×4 113587952
n×5 141984940

Division

n÷y
n÷2 14198494
n÷3 9465662.6666667
n÷3 7099247
n÷5 5679397.6

Exponentiation

ny
n2 806388927472144
n3 2.2899016696759E+22
n4 6.5026310234967E+29
n5 1.8465513514266E+37

Nth Root

y√n
2√n 5328.8824344322
3√n 305.08727413773
4√n 72.999194751944
5√n 30.949558318896

Divisors of 28396988

1, 2, 4, 1531, 3062, 4637, 6124, 9274, 18548, 7099247, 14198494, 28396988

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28396987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28396988 can be divided by 12 positive divisors. The sum of these divisors (counting 28396988) is 1, the average is 0.083333333333333.

Base conversion 28396988

Base System Value
2 Binary 1101100010100110110111100
3 Ternary 1222102201100022
4 Quaternary 1230110312330
5 Quinary 24232200423
6 Senary 2452351312
8 Octal 154246674
10 Decimal 28396988
12 Duodecimal 9615538
16 Hexadecimal 1b14dbc
20 Vigesimal 8h9c98
36 Base36 gwn98

Cryptographic Hash Functions

md5 83f871968956941a3fa0e47dfb83badb
sha1 65715e0c792f77ad5d205f036a88d6f55553fc30
sha256 7c8737ade065e9e4be80194d49c26e52ec1709a07b5098a870a8bd1f6146f788
sha512 3d663c5689f4c7f22f3fe77bd5c8e142dde459d64fbdbee4c224ec065b9428251aedf54d0234ca7dac98e6b13154bef65d841d8a9c1f18900af39a591110d199
ripemd-160 eb5c6a45d6f6915731106a157d727725be48ac95

28396988 as geometric shapes

Circle

Radius = n
Diameter 56793976
Circumference 178423537.76976
Area 2.5333455304826E+15

Sphere

Radius = n
Volume 9.5919176838626E+22
Surface area 1.0133382121931E+16
Circumference 178423537.76976

Square

Length = n
Perimeter 113587952
Area 806388927472144
Diagonal 40159405.560146

Cube

Length = n
Surface area 4838333564832864
Volume 2.2899016696759E+22
Space diagonal 49185025.997924

Equilateral Triangle

Length = n
Perimeter 85190964
Area 3.4917664826068E+14
Altitude 24592512.998962

Triangular Pyramid

Length = n
Surface area 3.4917664826068E+14
Volume 2.6986749981304E+21
Height 13386468.520049