28231665 (number)

28231665 is an odd 8-digits composite number following 28231664 and preceding 28231666. In scientific notation, it is written as 2.8231665 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 11732160 positive integers (up to 28231665) that are relatively prime to 28231665.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred thirty-one thousand six hundred sixty-five

Notation

Scientific notation 2.8231665 × 10^7
Engineering notation 2.8231665 × 10^6

Prime Factorization of 28231665

Prime Factorization 5 × 11 × 3 × 7 × 24443

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28231665
Product of the distinct prime numbers

The prime factorization of 28231665 is 5 × 11 × 3 × 7 × 24443. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 9, 65, 95, 875, 650, 6086, 4633, 68894, 24313, 484387, 283058, 9079905, 9644368, 96334899, 6717241, 643218435, 469795564, 7993113323, 3840982154

Basic calculations (n = 28231665)

Multiplication

n×y
n×2 56463330
n×3 84694995
n×4 112926660
n×5 141158325

Division

n÷y
n÷2 14115832.5
n÷3 9410555
n÷3 7057916.25
n÷5 5646333

Exponentiation

ny
n2 797026908672225
n3 2.250139668162E+22
n4 6.352518931476E+29
n5 1.7934218637959E+37

Nth Root

y√n
2√n 5313.3478147021
3√n 304.49406401806
4√n 72.89271441442
5√n 30.913437368147

Divisors of 28231665

1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 231, 385, 1155, 24443, 73329, 122215, 171101, 268873, 366645, 513303, 806619, 855505, 1344365, 1882111, 2566515, 4033095, 5646333, 9410555, 28231665

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 -28231664
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 28231665 can be divided by 32 positive divisors. The sum of these divisors (counting 28231665) is 1, the average is 0.03125.

Base conversion 28231665

Base System Value
2 Binary 1101011101100011111110001
3 Ternary 1222010022120020
4 Quaternary 1223230133301
5 Quinary 24211403130
6 Senary 2445034053
8 Octal 153543761
10 Decimal 28231665
12 Duodecimal 9555929
16 Hexadecimal 1aec7f1
20 Vigesimal 8g8j35
36 Base36 gt3ox

Cryptographic Hash Functions

md5 aca07ea4ff025d664be61ae5836fc279
sha1 1a6b5d57b21a83ebef0b1eb569aaea46bab02b0b
sha256 3a4e33bd595c08d7d94dabe306b953541d051d56d4da4ba10ccfc2ec4de0fed5
sha512 2823113b4d000644c6c6b649e5c3fc30c0f471c8788587e01ffabdb453dbdd06722c41218551777fce7438c529e237b09e1f04eab451175cd504e4efaedd1098
ripemd-160 c033a4cd1c6e69b699a1a71b0bbff5859ac8a660

28231665 as geometric shapes

Circle

Radius = n
Diameter 56463330
Circumference 177384782.72522
Area 2.503933880998E+15

Sphere

Radius = n
Volume 9.4253630013982E+22
Surface area 1.0015735523992E+16
Circumference 177384782.72522

Square

Length = n
Perimeter 112926660
Area 797026908672225
Diagonal 39925603.531374

Cube

Length = n
Surface area 4782161452033350
Volume 2.250139668162E+22
Space diagonal 48898678.162264

Equilateral Triangle

Length = n
Perimeter 84694995
Area 3.4512277520496E+14
Altitude 24449339.081132

Triangular Pyramid

Length = n
Surface area 3.4512277520496E+14
Volume 2.651815029957E+21
Height 13308534.510458