28673985 (number)

28673985 is an odd 8-digits composite number following 28673984 and preceding 28673986. In scientific notation, it is written as 2.8673985 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 13764608 positive integers (up to 28673985) that are relatively prime to 28673985.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred seventy-three thousand nine hundred eighty-five

Notation

Scientific notation 2.8673985 × 10^7
Engineering notation 2.8673985 × 10^6

Prime Factorization of 28673985

Prime Factorization 15 × 17 × 23 × 4889

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28673985
Product of the distinct prime numbers

The prime factorization of 28673985 is 15 × 17 × 23 × 4889. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 100, 81, 403, 710, 3388, 6783, 87414, 23767, 98660, 770870, 3983253, 6382442, 83190135, 1871898, 763626073, 667574467, 4751513440, 6008976420

Basic calculations (n = 28673985)

Multiplication

n×y
n×2 57347970
n×3 86021955
n×4 114695940
n×5 143369925

Division

n÷y
n÷2 14336992.5
n÷3 9557995
n÷3 7168496.25
n÷5 5734797

Exponentiation

ny
n2 822197415780225
n3 2.3575676367121E+22
n4 6.7600859051568E+29
n5 1.9383860184318E+37

Nth Root

y√n
2√n 5354.8095204218
3√n 306.07605226585
4√n 73.176564010766
5√n 31.009703285983

Divisors of 28673985

1, 15, 17, 23, 255, 345, 391, 4889, 5865, 73335, 83113, 112447, 1246695, 1686705, 1911599, 28673985

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 -28673984
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 28673985 can be divided by 16 positive divisors. The sum of these divisors (counting 28673985) is 1, the average is 0.0625.

Base conversion 28673985

Base System Value
2 Binary 1101101011000011111000001
3 Ternary 1222221210022110
4 Quaternary 1231120133001
5 Quinary 24320031420
6 Senary 2502325533
8 Octal 155303701
10 Decimal 28673985
12 Duodecimal 97298a9
16 Hexadecimal 1b587c1
20 Vigesimal 8j44j5
36 Base36 h2kzl

Cryptographic Hash Functions

md5 f46f19499996976a510f3f97d72b5ae5
sha1 cef0454ba708028082032d22cdebd1c9350d6e18
sha256 d64ef82ac696e1ec27a67101a70bac7f5821460b79787b6034d6a2bbaed400ea
sha512 bbf3ce339121144604e7e8ab1fdabbf3752db7cf902dea9cab01822b1c9823a43ca11961fa5400acd6199121ca2bb0b673d8959797442efe33bbbb37c5be91f8
ripemd-160 6f97bc75704dee82c050cea3e205f0c100a0c12d

28673985 as geometric shapes

Circle

Radius = n
Diameter 57347970
Circumference 180163961.25029
Area 2.5830093612157E+15

Sphere

Radius = n
Volume 9.875356223781E+22
Surface area 1.0332037444863E+16
Circumference 180163961.25029

Square

Length = n
Perimeter 114695940
Area 822197415780225
Diagonal 40551138.474283

Cube

Length = n
Surface area 4933184494681350
Volume 2.3575676367121E+22
Space diagonal 49664798.875468

Equilateral Triangle

Length = n
Perimeter 86021955
Area 3.560219244958E+14
Altitude 24832399.437734

Triangular Pyramid

Length = n
Surface area 3.560219244958E+14
Volume 2.7784201050418E+21
Height 13517046.158094