28491307 (number)

28491307 is an odd 8-digits composite number following 28491306 and preceding 28491308. In scientific notation, it is written as 2.8491307 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 26091072 positive integers (up to 28491307) that are relatively prime to 28491307.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety-one thousand three hundred seven

Notation

Scientific notation 2.8491307 × 10^7
Engineering notation 2.8491307 × 10^6

Prime Factorization of 28491307

Prime Factorization 13 × 127 × 17257

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28491307
Product of the distinct prime numbers

The prime factorization of 28491307 is 13 × 127 × 17257. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28491307)

Multiplication

n×y
n×2 56982614
n×3 85473921
n×4 113965228
n×5 142456535

Division

n÷y
n÷2 14245653.5
n÷3 9497102.3333333
n÷3 7122826.75
n÷5 5698261.4

Exponentiation

ny
n2 811754574568249
n3 2.3127948792678E+22
n4 6.5894548933248E+29
n5 1.8774218232837E+37

Nth Root

y√n
2√n 5337.7248898758
3√n 305.42467760345
4√n 73.059735079425
5√n 30.970090502166

Divisors of 28491307

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 -28491306
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 28491307 can be divided by 8 positive divisors. The sum of these divisors (counting 28491307) is 1, the average is 0.125.

Base conversion 28491307

Base System Value
2 Binary 1101100101011111000101011
3 Ternary 1222121111201121
4 Quaternary 1230223320223
5 Quinary 24243210212
6 Senary 2454400111
8 Octal 154537053
10 Decimal 28491307
12 Duodecimal 9660037
16 Hexadecimal 1b2be2b
20 Vigesimal 8i1857
36 Base36 gyo17

Cryptographic Hash Functions

md5 c668db991fc5ac13e3160651ac23de44
sha1 8e6af9cbfbb9b176c51551f0db1ee54ede105b88
sha256 682db6e5b3959979e5e61bd210fbee37caae0e37744d6db887aec2bc1c3ab1a1
sha512 63d3627140a41b5fd88ca4ccafb3340857853d5f60028368cd59b81a6e9a91b4a5ff949276c81a83e4915c28bf2dba28e7b8cfbee10781b90b9be5b3b451d805
ripemd-160 5852da29d7667d675db256b982173a217c07f967

28491307 as geometric shapes

Circle

Radius = n
Diameter 56982614
Circumference 179016161.52474
Area 2.5502022079815E+15

Sphere

Radius = n
Volume 9.6878125359572E+22
Surface area 1.0200808831926E+16
Circumference 179016161.52474

Square

Length = n
Perimeter 113965228
Area 811754574568249
Diagonal 40292792.769136

Cube

Length = n
Surface area 4870527447409494
Volume 2.3127948792678E+22
Space diagonal 49348391.298043

Equilateral Triangle

Length = n
Perimeter 85473921
Area 3.5150004160717E+14
Altitude 24674195.649021

Triangular Pyramid

Length = n
Surface area 3.5150004160717E+14
Volume 2.725654904373E+21
Height 13430930.923045