28491666 (number)

28491666 is an even 8-digits composite number following 28491665 and preceding 28491667. In scientific notation, it is written as 2.8491666 × 10^7. The sum of its digits is 42. It has a total of 6 prime factors and 64 positive divisors. There are 7750080 positive integers (up to 28491666) that are relatively prime to 28491666.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-one thousand six hundred sixty-six

Notation

Scientific notation 2.8491666 × 10^7
Engineering notation 2.8491666 × 10^6

Prime Factorization of 28491666

Prime Factorization 2 × 3 × 7 × 79 × 31 × 277

Composite number
ω Distinct Factors 6
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 28491666
Product of the distinct prime numbers

The prime factorization of 28491666 is 2 × 3 × 7 × 79 × 31 × 277. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28491666)

Multiplication

n×y
n×2 56983332
n×3 85474998
n×4 113966664
n×5 142458330

Division

n÷y
n÷2 14245833
n÷3 9497222
n÷3 7122916.5
n÷5 5698333.2

Exponentiation

ny
n2 811775031455556
n3 2.3128823063371E+22
n4 6.5897870169467E+29
n5 1.8775401069798E+37

Nth Root

y√n
2√n 5337.7585183296
3√n 305.42596041577
4√n 73.059965222614
5√n 30.970168548473

Divisors of 28491666

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28491665
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28491666 can be divided by 64 positive divisors. The sum of these divisors (counting 28491666) is 1, the average is 0.015625.

Base conversion 28491666

Base System Value
2 Binary 1101100101011111110010010
3 Ternary 1222121112012220
4 Quaternary 1230223332102
5 Quinary 24243213131
6 Senary 2454401510
8 Octal 154537622
10 Decimal 28491666
12 Duodecimal 9660296
16 Hexadecimal 1b2bf92
20 Vigesimal 8i1936
36 Base36 gyob6

Cryptographic Hash Functions

md5 965b55536679ae7fdd3a2976f8a0cd08
sha1 c3e9a9aff46092e49e1fb680c466eedbe2e57926
sha256 cfb011355e735d33860d6bee8ac803222f6500ec586ce82f7bb0f9624978ea75
sha512 94880a8184ce35a73d47055e5ef24dfc91eb0cc3b8ac70bfc2716135a7ee06a231f9b9d36031412b4987ba4c5f40622c5212f7c8b5fecfd63f4d00a0a672582d
ripemd-160 423c39fa7907ced2675b4e161a1dc07c5f6f5d09

28491666 as geometric shapes

Circle

Radius = n
Diameter 56983332
Circumference 179018417.18827
Area 2.5502664751884E+15

Sphere

Radius = n
Volume 9.6881787496087E+22
Surface area 1.0201065900754E+16
Circumference 179018417.18827

Square

Length = n
Perimeter 113966664
Area 811775031455556
Diagonal 40293300.471804

Cube

Length = n
Surface area 4870650188733336
Volume 2.3128823063371E+22
Space diagonal 49349013.104283

Equilateral Triangle

Length = n
Perimeter 85474998
Area 3.5150889969921E+14
Altitude 24674506.552141

Triangular Pyramid

Length = n
Surface area 3.5150889969921E+14
Volume 2.7257579381623E+21
Height 13431100.157268