28697813 (number)

28697813 is an odd 8-digits composite number following 28697812 and preceding 28697814. In scientific notation, it is written as 2.8697813 × 10^7. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 26810784 positive integers (up to 28697813) that are relatively prime to 28697813.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety-seven thousand eight hundred thirteen

Notation

Scientific notation 2.8697813 × 10^7
Engineering notation 2.8697813 × 10^6

Prime Factorization of 28697813

Prime Factorization 23 × 43 × 29017

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28697813
Product of the distinct prime numbers

The prime factorization of 28697813 is 23 × 43 × 29017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28697813)

Multiplication

n×y
n×2 57395626
n×3 86093439
n×4 114791252
n×5 143489065

Division

n÷y
n÷2 14348906.5
n÷3 9565937.6666667
n÷3 7174453.25
n÷5 5739562.6

Exponentiation

ny
n2 823564470982969
n3 2.3634499181713E+22
n4 6.7825843786546E+29
n5 1.9464533815535E+37

Nth Root

y√n
2√n 5357.0339741316
3√n 306.16081156831
4√n 73.19176165479
5√n 31.014855368772

Divisors of 28697813

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 -28697812
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 28697813 can be divided by 8 positive divisors. The sum of these divisors (counting 28697813) is 1, the average is 0.125.

Base conversion 28697813

Base System Value
2 Binary 1101101011110010011010101
3 Ternary 1222222222222222
4 Quaternary 1231132103111
5 Quinary 24321312223
6 Senary 2503032125
8 Octal 155362325
10 Decimal 28697813
12 Duodecimal 973b645
16 Hexadecimal 1b5e4d5
20 Vigesimal 8j74ad
36 Base36 h33dh

Cryptographic Hash Functions

md5 de1a63e73bf9d1f320f6d95fbef06a68
sha1 afc70dfd3e85ecb689307ce054532c3ef54e5468
sha256 25628a62502c00d8f72fc14be62d7e4141aab3dc9298795103056077c40a1086
sha512 74031fea21acc114a7054634a04fac982c0f898a859d47e95655ea83a936266bd6b5e2196b09ede07a9c942bee410a46981b04299def7b7dd136e5b1634c871d
ripemd-160 5647be4f485cc6133be57947bc270b53d0a30d51

28697813 as geometric shapes

Circle

Radius = n
Diameter 57395626
Circumference 180313676.98979
Area 2.5873040917977E+15

Sphere

Radius = n
Volume 9.8999958667392E+22
Surface area 1.0349216367191E+16
Circumference 180313676.98979

Square

Length = n
Perimeter 114791252
Area 823564470982969
Diagonal 40584836.355047

Cube

Length = n
Surface area 4941386825897814
Volume 2.3634499181713E+22
Space diagonal 49706070.182111

Equilateral Triangle

Length = n
Perimeter 86093439
Area 3.5661387676277E+14
Altitude 24853035.091055

Triangular Pyramid

Length = n
Surface area 3.5661387676277E+14
Volume 2.7853524402229E+21
Height 13528278.785016