28161875 (number)

28161875 is an odd 8-digits composite number following 28161874 and preceding 28161876. In scientific notation, it is written as 2.8161875 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 18720000 positive integers (up to 28161875) that are relatively prime to 28161875.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8161875 × 10^7
Engineering notation 2.8161875 × 10^6

Prime Factorization of 28161875

Prime Factorization 875 × 5 × 41 × 157

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28161875
Product of the distinct prime numbers

The prime factorization of 28161875 is 875 × 5 × 41 × 157. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 27, 23, 212, 899, 1427, 9953, 12005, 64793, 447414, 281587, 9774993, 1135743, 552118, 19128604, 465784874, 810927048, 9224303525, 2712100439

Basic calculations (n = 28161875)

Multiplication

n×y
n×2 56323750
n×3 84485625
n×4 112647500
n×5 140809375

Division

n÷y
n÷2 14080937.5
n÷3 9387291.6666667
n÷3 7040468.75
n÷5 5632375

Exponentiation

ny
n2 793091203515625
n3 2.2334935337007E+22
n4 6.2899365709386E+29
n5 1.771364074687E+37

Nth Root

y√n
2√n 5306.7763284314
3√n 304.24294911244
4√n 72.847624041086
5√n 30.898138339276

Divisors of 28161875

1, 5, 41, 157, 205, 785, 875, 4375, 6437, 32185, 35875, 137375, 179375, 686875, 5632375, 28161875

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28161874
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28161875 can be divided by 16 positive divisors. The sum of these divisors (counting 28161875) is 1, the average is 0.0625.

Base conversion 28161875

Base System Value
2 Binary 1101011011011011101010011
3 Ternary 1221222202211102
4 Quaternary 1223123131103
5 Quinary 24202140000
6 Senary 2443335015
8 Octal 153333523
10 Decimal 28161875
12 Duodecimal 952146b
16 Hexadecimal 1adb753
20 Vigesimal 8g04df
36 Base36 grlub

Cryptographic Hash Functions

md5 3cdb694ac6dbb039e7ef7d250a9de7be
sha1 59e87974310a022cffce5f62b75f119e2390d44d
sha256 919d8b645099c8177bc447ecf344f020500fcd103d6e3e2bb783555898db046f
sha512 aebff6cde8fd0add300a1c3b40ecc1bceedff4729f6302e796da08a0adeb861c672bfdeed4515e7dcd16ab8ed9ca37c31f3a603c4c083dab290a812347d0cdc6
ripemd-160 4203dfc8ea72963e9a5d5a3e71d037d4edf2d5e8

28161875 as geometric shapes

Circle

Radius = n
Diameter 56323750
Circumference 176946279.22263
Area 2.4915694985914E+15

Sphere

Radius = n
Volume 9.3556358364191E+22
Surface area 9.9662779943655E+15
Circumference 176946279.22263

Square

Length = n
Perimeter 112647500
Area 793091203515625
Diagonal 39826905.566856

Cube

Length = n
Surface area 4758547221093750
Volume 2.2334935337007E+22
Space diagonal 48777798.336404

Equilateral Triangle

Length = n
Perimeter 84485625
Area 3.4341856488125E+14
Altitude 24388899.168202

Triangular Pyramid

Length = n
Surface area 3.4341856488125E+14
Volume 2.6321973723601E+21
Height 13275635.188952