28161880 (number)

28161880 is an even 8-digits composite number following 28161879 and preceding 28161881. In scientific notation, it is written as 2.8161880 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 32 positive divisors. There are 11072896 positive integers (up to 28161880) that are relatively prime to 28161880.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8161880 × 10^7
Engineering notation 2.8161880 × 10^6

Prime Factorization of 28161880

Prime Factorization 2 × 2 × 2 × 5 × 59 × 11933

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7040470
Product of the distinct prime numbers

The prime factorization of 28161880 is 2 × 2 × 2 × 5 × 59 × 11933. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28161880)

Multiplication

n×y
n×2 56323760
n×3 84485640
n×4 112647520
n×5 140809400

Division

n÷y
n÷2 14080940
n÷3 9387293.3333333
n÷3 7040470
n÷5 5632376

Exponentiation

ny
n2 793091485134400
n3 2.2334947233377E+22
n4 6.2899410379269E+29
n5 1.7713656471717E+37

Nth Root

y√n
2√n 5306.7767995272
3√n 304.24296711804
4√n 72.847627274519
5√n 30.898139436438

Divisors of 28161880

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28161879
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28161880 can be divided by 32 positive divisors. The sum of these divisors (counting 28161880) is 1, the average is 0.03125.

Base conversion 28161880

Base System Value
2 Binary 1101011011011011101011000
3 Ternary 1221222202211121
4 Quaternary 1223123131120
5 Quinary 24202140010
6 Senary 2443335024
8 Octal 153333530
10 Decimal 28161880
12 Duodecimal 9521474
16 Hexadecimal 1adb758
20 Vigesimal 8g04e0
36 Base36 grlug

Cryptographic Hash Functions

md5 d472b2f3c7e9c2cbcd816e1710419c7b
sha1 c8279038a58b68268a3113dd3182cd42a7ac7730
sha256 5efe42c6087eab6f86bea2c1800e0f5073f5e425f7bee0d3e25fba88920de515
sha512 7d8fdaa1dcb16543c8c80b9bafc6918c378229509e98c31c255d6f4b54ec360b19e160acf96eeb115acf0737363167009e876b5b9c7e30205b981feee04c9ab8
ripemd-160 4269274f52f1480bb5f9bc6fad2582d8d8d13d00

28161880 as geometric shapes

Circle

Radius = n
Diameter 56323760
Circumference 176946310.63855
Area 2.4915703833228E+15

Sphere

Radius = n
Volume 9.3556408195589E+22
Surface area 9.9662815332914E+15
Circumference 176946310.63855

Square

Length = n
Perimeter 112647520
Area 793091485134400
Diagonal 39826912.637924

Cube

Length = n
Surface area 4758548910806400
Volume 2.2334947233377E+22
Space diagonal 48777806.996658

Equilateral Triangle

Length = n
Perimeter 84485640
Area 3.4341868682576E+14
Altitude 24388903.498329

Triangular Pyramid

Length = n
Surface area 3.4341868682576E+14
Volume 2.6321987743607E+21
Height 13275637.545975