28161591 (number)

28161591 is an odd 8-digits composite number following 28161590 and preceding 28161592. In scientific notation, it is written as 2.8161591 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors. There are 17012160 positive integers (up to 28161591) that are relatively prime to 28161591.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8161591 × 10^7
Engineering notation 2.8161591 × 10^6

Prime Factorization of 28161591

Prime Factorization 3 × 23 × 19 × 21481

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28161591
Product of the distinct prime numbers

The prime factorization of 28161591 is 3 × 23 × 19 × 21481. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 7, 7, 51, 891, 115, 4850, 8305, 19137, 47753, 120230, 457236, 7218830, 1881276, 33512031, 796779, 885435176, 231437288, 6119974787, 9807883086

Basic calculations (n = 28161591)

Multiplication

n×y
n×2 56323182
n×3 84484773
n×4 112646364
n×5 140807955

Division

n÷y
n÷2 14080795.5
n÷3 9387197
n÷3 7040397.75
n÷5 5632318.2

Exponentiation

ny
n2 793075207651281
n3 2.2334259630115E+22
n4 6.2896828499112E+29
n5 1.7712747593891E+37

Nth Root

y√n
2√n 5306.7495701229
3√n 304.24192639067
4√n 72.847440381409
5√n 30.898076020225

Divisors of 28161591

1, 3, 19, 23, 57, 69, 437, 1311, 21481, 64443, 408139, 494063, 1224417, 1482189, 9387197, 28161591

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 -28161590
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 28161591 can be divided by 16 positive divisors. The sum of these divisors (counting 28161591) is 1, the average is 0.0625.

Base conversion 28161591

Base System Value
2 Binary 1101011011011011000110111
3 Ternary 1221222202102220
4 Quaternary 1223123120313
5 Quinary 24202132331
6 Senary 2443333423
8 Octal 153333067
10 Decimal 28161591
12 Duodecimal 9521273
16 Hexadecimal 1adb637
20 Vigesimal 8g03jb
36 Base36 grlmf

Cryptographic Hash Functions

md5 559a56cedfa8095dcaa68766e69f446e
sha1 5a1aca38419d53ae3f36fd64cfb59ccdbc7d6343
sha256 14ed5a62ea4ddf1d68652a45e1c55c70bbc6dd099c974a38715aec3ffb2a0c43
sha512 066255ebb0249ef530530c99fb31e9aaf99550dabaedaecf16aeec3311169b75dca349c4df80f444f5c3a6fb03fc67b2a6618a827e0e884e155e30b5a0830c5f
ripemd-160 7f58a1fe1210812ec0dcea93f92b83b22f677126

28161591 as geometric shapes

Circle

Radius = n
Diameter 56323182
Circumference 176944494.798
Area 2.4915192461015E+15

Sphere

Radius = n
Volume 9.3553527969784E+22
Surface area 9.9660769844059E+15
Circumference 176944494.798

Square

Length = n
Perimeter 112646364
Area 793075207651281
Diagonal 39826503.930204

Cube

Length = n
Surface area 4758451245907686
Volume 2.2334259630115E+22
Space diagonal 48777306.433974

Equilateral Triangle

Length = n
Perimeter 84484773
Area 3.4341163846881E+14
Altitude 24388653.216987

Triangular Pyramid

Length = n
Surface area 3.4341163846881E+14
Volume 2.6321177395393E+21
Height 13275501.310068