28913144 (number)

28913144 is an even 8-digits composite number following 28913143 and preceding 28913145. In scientific notation, it is written as 2.8913144 × 10^7. The sum of its digits is 32. It has a total of 6 prime factors and 32 positive divisors. There are 13259136 positive integers (up to 28913144) that are relatively prime to 28913144.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirteen thousand one hundred forty-four

Notation

Scientific notation 2.8913144 × 10^7
Engineering notation 2.8913144 × 10^6

Prime Factorization of 28913144

Prime Factorization 2 × 2 × 2 × 13 × 173 × 1607

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7228286
Product of the distinct prime numbers

The prime factorization of 28913144 is 2 × 2 × 2 × 13 × 173 × 1607. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28913144)

Multiplication

n×y
n×2 57826288
n×3 86739432
n×4 115652576
n×5 144565720

Division

n÷y
n÷2 14456572
n÷3 9637714.6666667
n÷3 7228286
n÷5 5782628.8

Exponentiation

ny
n2 835969895964736
n3 2.4170517981693E+22
n4 6.9884566695929E+29
n5 2.020582540257E+37

Nth Root

y√n
2√n 5377.0943826569
3√n 306.92465268141
4√n 73.328673673106
5√n 31.061259637589

Divisors of 28913144

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28913143
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28913144 can be divided by 32 positive divisors. The sum of these divisors (counting 28913144) is 1, the average is 0.03125.

Base conversion 28913144

Base System Value
2 Binary 1101110010010110111111000
3 Ternary 2000101221101012
4 Quaternary 1232102313320
5 Quinary 24400210034
6 Senary 2511413052
8 Octal 156226770
10 Decimal 28913144
12 Duodecimal 9824188
16 Hexadecimal 1b92df8
20 Vigesimal 90e2h4
36 Base36 h7piw

Cryptographic Hash Functions

md5 6f85141ecb28fd0045fc113de1c8e804
sha1 06a72c31b6ae8d4fde20cf0ca5161af3a6927e78
sha256 ae1aafb2135f135b74e0008d41f83bf0c347dc107d204bf67d58ea3c6728c80a
sha512 51e7532565ae55ecfc008fcfa59c459337d1ac772357c07e24c7fb08bfc2e9406132ef5abc347de340757f9dd3efbfaaa13f25ffef11ff69b4bea869f657b0ca
ripemd-160 05eb913dbff81a72db213673007a18d537764eff

28913144 as geometric shapes

Circle

Radius = n
Diameter 57826288
Circumference 181666641.56517
Area 2.626276883785E+15

Sphere

Radius = n
Volume 1.0124522896633E+23
Surface area 1.050510753514E+16
Circumference 181666641.56517

Square

Length = n
Perimeter 115652576
Area 835969895964736
Diagonal 40889360.375646

Cube

Length = n
Surface area 5015819375788416
Volume 2.4170517981693E+22
Space diagonal 50079034.414555

Equilateral Triangle

Length = n
Perimeter 86739432
Area 3.6198558335225E+14
Altitude 25039517.207278

Triangular Pyramid

Length = n
Surface area 3.6198558335225E+14
Volume 2.8485228616078E+21
Height 13629786.791882