28661372 (number)

28661372 is an even 8-digits composite number following 28661371 and preceding 28661373. In scientific notation, it is written as 2.8661372 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors. There are 14330684 positive integers (up to 28661372) that are relatively prime to 28661372.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred sixty-one thousand three hundred seventy-two

Notation

Scientific notation 2.8661372 × 10^7
Engineering notation 2.8661372 × 10^6

Prime Factorization of 28661372

Prime Factorization 2 × 2 × 7165343

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 14330686
Product of the distinct prime numbers

The prime factorization of 28661372 is 2 × 2 × 7165343. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28661372)

Multiplication

n×y
n×2 57322744
n×3 85984116
n×4 114645488
n×5 143306860

Division

n÷y
n÷2 14330686
n÷3 9553790.6666667
n÷3 7165343
n÷5 5732274.4

Exponentiation

ny
n2 821474244922384
n3 2.354457892214E+22
n4 6.748199350708E+29
n5 1.934126519208E+37

Nth Root

y√n
2√n 5353.6316645806
3√n 306.03116717299
4√n 73.168515528064
5√n 31.00697472053

Divisors of 28661372

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28661371
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28661372 can be divided by 6 positive divisors. The sum of these divisors (counting 28661372) is 1, the average is 0.16666666666667.

Base conversion 28661372

Base System Value
2 Binary 1101101010101011001111100
3 Ternary 1222221011000022
4 Quaternary 1231111121330
5 Quinary 24314130442
6 Senary 2502151312
8 Octal 155253174
10 Decimal 28661372
12 Duodecimal 9722538
16 Hexadecimal 1b5567c
20 Vigesimal 8j2d8c
36 Base36 h2b98

Cryptographic Hash Functions

md5 32de839648639989abdb07c79acd261a
sha1 0a46f2401ca58e51206ad19f1b46fed4173d7eba
sha256 6aebb24677d5e7d1e30076e829cd6d6e783e76ed2c9e3ad510bf36463da9e874
sha512 1bcc513f3d1913220d3d2777a6d0c74f430c07e92c8e728704e4a671620733f89528b4477a37142fbb5a1a2895b96d836d147e0091c02503e92fd9383711d76d
ripemd-160 1af61d69d96451a511c0060f1aa03054ff2cc09e

28661372 as geometric shapes

Circle

Radius = n
Diameter 57322744
Circumference 180084711.43401
Area 2.5807374529614E+15

Sphere

Radius = n
Volume 9.8623301564878E+22
Surface area 1.0322949811846E+16
Circumference 180084711.43401

Square

Length = n
Perimeter 114645488
Area 821474244922384
Diagonal 40533300.99862

Cube

Length = n
Surface area 4928845469534304
Volume 2.354457892214E+22
Space diagonal 49642952.518632

Equilateral Triangle

Length = n
Perimeter 85984116
Area 3.5570878232871E+14
Altitude 24821476.259316

Triangular Pyramid

Length = n
Surface area 3.5570878232871E+14
Volume 2.7747552360045E+21
Height 13511100.332873