28161897 (number)

28161897 is an odd 8-digits composite number following 28161896 and preceding 28161898. In scientific notation, it is written as 2.8161897 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 18762240 positive integers (up to 28161897) that are relatively prime to 28161897.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred sixty-one thousand eight hundred ninety-seven

Notation

Scientific notation 2.8161897 × 10^7
Engineering notation 2.8161897 × 10^6

Prime Factorization of 28161897

Prime Factorization 3 × 2689 × 3491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28161897
Product of the distinct prime numbers

The prime factorization of 28161897 is 3 × 2689 × 3491. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28161897)

Multiplication

n×y
n×2 56323794
n×3 84485691
n×4 112647588
n×5 140809485

Division

n÷y
n÷2 14080948.5
n÷3 9387299
n÷3 7040474.25
n÷5 5632379.4

Exponentiation

ny
n2 793092442638609
n3 2.2334987681067E+22
n4 6.2899562257048E+29
n5 1.7713709936281E+37

Nth Root

y√n
2√n 5306.7784012525
3√n 304.24302833708
4√n 72.847638268186
5√n 30.898143166788

Divisors of 28161897

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 -28161896
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 28161897 can be divided by 8 positive divisors. The sum of these divisors (counting 28161897) is 1, the average is 0.125.

Base conversion 28161897

Base System Value
2 Binary 1101011011011011101101001
3 Ternary 1221222202212020
4 Quaternary 1223123131221
5 Quinary 24202140042
6 Senary 2443335053
8 Octal 153333551
10 Decimal 28161897
12 Duodecimal 9521489
16 Hexadecimal 1adb769
20 Vigesimal 8g04eh
36 Base36 grlux

Cryptographic Hash Functions

md5 f2ed9d2ffbd8b1fd3e21ff644e390f71
sha1 296c3b0b9af5b2c7ec76a225a906a300e7447644
sha256 7c60498a281a407bc8fe2609a52096f848a871efd947cc9498897a307aedb6ef
sha512 0bb0d5e8560e6825d16d0a950c00994af76f109e6bfd5c135f10edf8ce87b821bed52c45db7207065ef9bf1efdcec0acf4309772df5c47d890ac048406e1a350
ripemd-160 59ceff5feabb2ed3e442733b9315bcaa889907ca

28161897 as geometric shapes

Circle

Radius = n
Diameter 56323794
Circumference 176946417.4527
Area 2.491573391411E+15

Sphere

Radius = n
Volume 9.3556577622478E+22
Surface area 9.9662935656442E+15
Circumference 176946417.4527

Square

Length = n
Perimeter 112647588
Area 793092442638609
Diagonal 39826936.679554

Cube

Length = n
Surface area 4758554655831654
Volume 2.2334987681067E+22
Space diagonal 48777836.441522

Equilateral Triangle

Length = n
Perimeter 84485691
Area 3.4341910143724E+14
Altitude 24388918.220761

Triangular Pyramid

Length = n
Surface area 3.4341910143724E+14
Volume 2.6322035411667E+21
Height 13275645.559851