28488081 (number)

28488081 is an odd 8-digits composite number following 28488080 and preceding 28488082. In scientific notation, it is written as 2.8488081 × 10^7. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 18969552 positive integers (up to 28488081) that are relatively prime to 28488081.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred eighty-eight thousand eighty-one

Notation

Scientific notation 2.8488081 × 10^7
Engineering notation 2.8488081 × 10^6

Prime Factorization of 28488081

Prime Factorization 3 × 919 × 10333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28488081
Product of the distinct prime numbers

The prime factorization of 28488081 is 3 × 919 × 10333. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 8, 69, 40, 230, 567, 5853, 9295, 37495, 98366, 791840, 71858, 5779584, 341562, 4647932, 9288543, 208149164, 34264072, 6402162517, 1069707855

Basic calculations (n = 28488081)

Multiplication

n×y
n×2 56976162
n×3 85464243
n×4 113952324
n×5 142440405

Division

n÷y
n÷2 14244040.5
n÷3 9496027
n÷3 7122020.25
n÷5 5697616.2

Exponentiation

ny
n2 811570759062561
n3 2.3120093521406E+22
n4 6.5864709696538E+29
n5 1.8763591848765E+37

Nth Root

y√n
2√n 5337.4226926486
3√n 305.41314967553
4√n 73.057666898475
5√n 30.969389137099

Divisors of 28488081

1, 3, 919, 2757, 10333, 30999, 9496027, 28488081

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 -28488080
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 28488081 can be divided by 8 positive divisors. The sum of these divisors (counting 28488081) is 1, the average is 0.125.

Base conversion 28488081

Base System Value
2 Binary 1101100101011000110010001
3 Ternary 1222121100022010
4 Quaternary 1230223012101
5 Quinary 24243104311
6 Senary 2454333133
8 Octal 154530621
10 Decimal 28488081
12 Duodecimal 965a1a9
16 Hexadecimal 1b2b191
20 Vigesimal 8i1041
36 Base36 gyljl

Cryptographic Hash Functions

md5 ef30f7f41fcac1002a7d5a6c59915982
sha1 d2b3d24dadfd1e1da255a46a294eec968d5994a6
sha256 d8145ce24fc9f9c4feba1404103f2e79b66338ab40db31fce3e436bf7b9be7d8
sha512 04f72daeb0d4e8f4c92e33112271f272b5792945c7eb6ed423e8dee260c00cfed393845ade44bde87763400c25b9f5d1f811b086a24803de710e4b61a63fb767
ripemd-160 ebb1d7b2de3f759ca4a1b537fa742b2225c70133

28488081 as geometric shapes

Circle

Radius = n
Diameter 56976162
Circumference 178995891.96894
Area 2.5496247345392E+15

Sphere

Radius = n
Volume 9.684522127621E+22
Surface area 1.0198498938157E+16
Circumference 178995891.96894

Square

Length = n
Perimeter 113952324
Area 811570759062561
Diagonal 40288230.516183

Cube

Length = n
Surface area 4869424554375366
Volume 2.3120093521406E+22
Space diagonal 49342803.702138

Equilateral Triangle

Length = n
Perimeter 85464243
Area 3.514204471584E+14
Altitude 24671401.851069

Triangular Pyramid

Length = n
Surface area 3.514204471584E+14
Volume 2.7247291517755E+21
Height 13429410.172061