28161725 (number)

28161725 is an odd 8-digits composite number following 28161724 and preceding 28161726. In scientific notation, it is written as 2.8161725 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 22354800 positive integers (up to 28161725) that are relatively prime to 28161725.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8161725 × 10^7
Engineering notation 2.8161725 × 10^6

Prime Factorization of 28161725

Prime Factorization 25 × 131 × 8599

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28161725
Product of the distinct prime numbers

The prime factorization of 28161725 is 25 × 131 × 8599. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28161725)

Multiplication

n×y
n×2 56323450
n×3 84485175
n×4 112646900
n×5 140808625

Division

n÷y
n÷2 14080862.5
n÷3 9387241.6666667
n÷3 7040431.25
n÷5 5632345

Exponentiation

ny
n2 793082754975625
n3 2.2334578447866E+22
n4 6.2898025623973E+29
n5 1.7713169006653E+37

Nth Root

y√n
2√n 5306.7621955388
3√n 304.24240894334
4√n 72.847527037909
5√n 30.898105424347

Divisors of 28161725

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 -28161724
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 28161725 can be divided by 8 positive divisors. The sum of these divisors (counting 28161725) is 1, the average is 0.125.

Base conversion 28161725

Base System Value
2 Binary 1101011011011011010111101
3 Ternary 1221222202121212
4 Quaternary 1223123122331
5 Quinary 24202133400
6 Senary 2443334205
8 Octal 153333275
10 Decimal 28161725
12 Duodecimal 9521365
16 Hexadecimal 1adb6bd
20 Vigesimal 8g0465
36 Base36 grlq5

Cryptographic Hash Functions

md5 cdd8495d8a35ffc932213833c450810a
sha1 62d639db9e23680ae2768a77a9148e9559733b19
sha256 ca644f4a4399ce152b8af32fa7d7562d3f31a6caab6c4c22f8eea407251fdf82
sha512 0ea9f519b9c9c60d9d06b757a1c87a3cd8eb27a9ffb3735d4c50f4d4d38b13c5683fde596d249e7d4f8cd54314fff0aafe6c3f87857e086e594601374b89f78c
ripemd-160 342ca7ce7cdfc46e5250bbad2cc56a479928fcc8

28161725 as geometric shapes

Circle

Radius = n
Diameter 56323450
Circumference 176945336.74483
Area 2.4915429567202E+15

Sphere

Radius = n
Volume 9.3554863430454E+22
Surface area 9.9661718268807E+15
Circumference 176945336.74483

Square

Length = n
Perimeter 112646900
Area 793082754975625
Diagonal 39826693.434821

Cube

Length = n
Surface area 4758496529853750
Volume 2.2334578447866E+22
Space diagonal 48777538.528783

Equilateral Triangle

Length = n
Perimeter 84485175
Area 3.4341490655612E+14
Altitude 24388769.264391

Triangular Pyramid

Length = n
Surface area 3.4341490655612E+14
Volume 2.6321553125715E+21
Height 13275564.478274