28688085 (number)

28688085 is an odd 8-digits composite number following 28688084 and preceding 28688086. In scientific notation, it is written as 2.8688085 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 15300288 positive integers (up to 28688085) that are relatively prime to 28688085.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-eight thousand eighty-five

Notation

Scientific notation 2.8688085 × 10^7
Engineering notation 2.8688085 × 10^6

Prime Factorization of 28688085

Prime Factorization 3 × 5 × 3 × 637513

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9562695
Product of the distinct prime numbers

The prime factorization of 28688085 is 3 × 5 × 3 × 637513. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 7, 79, 30, 152, 716, 9806, 7595, 46934, 52915, 34829, 877933, 8030620, 2245845, 93668877, 97200961, 694820898, 623182245, 7024623104, 1257846373

Basic calculations (n = 28688085)

Multiplication

n×y
n×2 57376170
n×3 86064255
n×4 114752340
n×5 143440425

Division

n÷y
n÷2 14344042.5
n÷3 9562695
n÷3 7172021.25
n÷5 5737617

Exponentiation

ny
n2 823006220967225
n3 2.3610472422637E+22
n4 6.7733923975075E+29
n5 1.9431565683805E+37

Nth Root

y√n
2√n 5356.125932052
3√n 306.12621347343
4√n 73.18555822054
5√n 31.012752397154

Divisors of 28688085

1, 3, 5, 9, 15, 45, 637513, 1912539, 3187565, 5737617, 9562695, 28688085

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28688084
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28688085 can be divided by 12 positive divisors. The sum of these divisors (counting 28688085) is 1, the average is 0.083333333333333.

Base conversion 28688085

Base System Value
2 Binary 1101101011011111011010101
3 Ternary 1222222111122200
4 Quaternary 1231123323111
5 Quinary 24321004320
6 Senary 2502515113
8 Octal 155337325
10 Decimal 28688085
12 Duodecimal 9735a99
16 Hexadecimal 1b5bed5
20 Vigesimal 8j6045
36 Base36 h2vv9

Cryptographic Hash Functions

md5 50faf6bd990592cd655e4dfe84065bea
sha1 2b2e5b2fbe6f31f72d4f327efb6ad9eea7489308
sha256 f0fcddb4b6ea81c89fefc625f153200ee534f47e3dd0b91c21d9e176b96c5579
sha512 6e714531800389938bde1021668f03cd4ab91dab3ad169c23a92c4d0bec79d12dd77d62ede7a2329e1a52a27cfbfa4ec14f4cfeaf25098daadb6dde18aca5b1c
ripemd-160 e4605ee7824e8c1f971dd743e607550577e0786e

28688085 as geometric shapes

Circle

Radius = n
Diameter 57376170
Circumference 180252554.16312
Area 2.5855502976493E+15

Sphere

Radius = n
Volume 9.8899315614319E+22
Surface area 1.0342201190597E+16
Circumference 180252554.16312

Square

Length = n
Perimeter 114752340
Area 823006220967225
Diagonal 40571078.885512

Cube

Length = n
Surface area 4938037325803350
Volume 2.3610472422637E+22
Space diagonal 49689220.791855

Equilateral Triangle

Length = n
Perimeter 86064255
Area 3.5637214741512E+14
Altitude 24844610.395927

Triangular Pyramid

Length = n
Surface area 3.5637214741512E+14
Volume 2.7825208595107E+21
Height 13523692.961837