28671639 (number)

28671639 is an odd 8-digits composite number following 28671638 and preceding 28671640. In scientific notation, it is written as 2.8671639 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 17207168 positive integers (up to 28671639) that are relatively prime to 28671639.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred seventy-one thousand six hundred thirty-nine

Notation

Scientific notation 2.8671639 × 10^7
Engineering notation 2.8671639 × 10^6

Prime Factorization of 28671639

Prime Factorization 3 × 17 × 23 × 24443

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28671639
Product of the distinct prime numbers

The prime factorization of 28671639 is 3 × 17 × 23 × 24443. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 40, 27, 443, 29, 833, 4961, 98120, 54299, 251191, 694584, 445926, 5974516, 69273673, 46685663, 921852332, 377796893, 9022876395, 1639256072

Basic calculations (n = 28671639)

Multiplication

n×y
n×2 57343278
n×3 86014917
n×4 114686556
n×5 143358195

Division

n÷y
n÷2 14335819.5
n÷3 9557213
n÷3 7167909.75
n÷5 5734327.8

Exponentiation

ny
n2 822062882946321
n3 2.3569890215136E+22
n4 6.7578738351802E+29
n5 1.9375931900983E+37

Nth Root

y√n
2√n 5354.5904605301
3√n 306.06770469921
4√n 73.175067205505
5√n 31.0091958494

Divisors of 28671639

1, 3, 17, 23, 51, 69, 391, 1173, 24443, 73329, 415531, 562189, 1246593, 1686567, 9557213, 28671639

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 -28671638
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 28671639 can be divided by 16 positive divisors. The sum of these divisors (counting 28671639) is 1, the average is 0.0625.

Base conversion 28671639

Base System Value
2 Binary 1101101010111111010010111
3 Ternary 1222221200002120
4 Quaternary 1231113322113
5 Quinary 24314443024
6 Senary 2502311023
8 Octal 155277227
10 Decimal 28671639
12 Duodecimal 9728473
16 Hexadecimal 1b57e97
20 Vigesimal 8j3j1j
36 Base36 h2j6f

Cryptographic Hash Functions

md5 28bae46d2baecf473c18f699217858fe
sha1 8a9172f60baf882f81c33612c501a2214ac41da3
sha256 8eee471bb1e835ce660ac95087e178259528c46cf8430ba3d63830e6ee0e74de
sha512 21b5e3afa709343ee3767f7e75fd7a5b1ce914c80f29bae9a0303b96097c3c56fd56c29b53773d3db21dc02a2724353a120a69a9d6868fc1d6a1fa133167d426
ripemd-160 003ce0c48639c1a73eb8e83bb9adfd3fd1b5e2de

28671639 as geometric shapes

Circle

Radius = n
Diameter 57343278
Circumference 180149220.89756
Area 2.582586713853E+15

Sphere

Radius = n
Volume 9.8729325261053E+22
Surface area 1.0330346855412E+16
Circumference 180149220.89756

Square

Length = n
Perimeter 114686556
Area 822062882946321
Diagonal 40547820.729265

Cube

Length = n
Surface area 4932377297677926
Volume 2.3569890215136E+22
Space diagonal 49660735.484273

Equilateral Triangle

Length = n
Perimeter 86014917
Area 3.5596367006989E+14
Altitude 24830367.742137

Triangular Pyramid

Length = n
Surface area 3.5596367006989E+14
Volume 2.7777382004909E+21
Height 13515940.243088