28261072 (number)

28261072 is an even 8-digits composite number following 28261071 and preceding 28261073. In scientific notation, it is written as 2.8261072 × 10^7. The sum of its digits is 28. It has a total of 7 prime factors and 40 positive divisors. There are 11398656 positive integers (up to 28261072) that are relatively prime to 28261072.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8261072 × 10^7
Engineering notation 2.8261072 × 10^6

Prime Factorization of 28261072

Prime Factorization 2 × 2 × 2 × 2 × 17 × 7 × 14843

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 3532634
Product of the distinct prime numbers

The prime factorization of 28261072 is 2 × 2 × 2 × 2 × 17 × 7 × 14843. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28261072)

Multiplication

n×y
n×2 56522144
n×3 84783216
n×4 113044288
n×5 141305360

Division

n÷y
n÷2 14130536
n÷3 9420357.3333333
n÷3 7065268
n÷5 5652214.4

Exponentiation

ny
n2 798688190589184
n3 2.2571784459791E+22
n4 6.3790282578662E+29
n5 1.8027817688559E+37

Nth Root

y√n
2√n 5316.1143704777
3√n 304.5997508975
4√n 72.911688846698
5√n 30.919874770419

Divisors of 28261072

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28261071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28261072 can be divided by 40 positive divisors. The sum of these divisors (counting 28261072) is 1, the average is 0.025.

Base conversion 28261072

Base System Value
2 Binary 1101011110011101011010000
3 Ternary 1222011210220101
4 Quaternary 1223303223100
5 Quinary 24213323242
6 Senary 2445422144
8 Octal 153635320
10 Decimal 28261072
12 Duodecimal 956a954
16 Hexadecimal 1af3ad0
20 Vigesimal 8gccdc
36 Base36 gtqds

Cryptographic Hash Functions

md5 53ba706efefa173aa45b36de2ed76400
sha1 1c86b178892b369ede7a9cd8fd0e64ea7c79a57d
sha256 de46c839654ac22c72ab33264fb7ff15098744fe253225b05152a8eb427525f4
sha512 24ae11b50110f5c67d867bc95ad0998d398250f732d90b762ae1415bdc9560331bf3f7a987516140d5a915e207740163c71987a4b0a2dd2108ab8138267223b7
ripemd-160 1933ad24c3a694964e77491c2cd4cf5aa0cc5ed3

28261072 as geometric shapes

Circle

Radius = n
Diameter 56522144
Circumference 177569552.35554
Area 2.5091529520639E+15

Sphere

Radius = n
Volume 9.4548469649721E+22
Surface area 1.0036611808256E+16
Circumference 177569552.35554

Square

Length = n
Perimeter 113044288
Area 798688190589184
Diagonal 39967191.309603

Cube

Length = n
Surface area 4792129143535104
Volume 2.2571784459791E+22
Space diagonal 48949612.580362

Equilateral Triangle

Length = n
Perimeter 84783216
Area 3.4584213137643E+14
Altitude 24474806.290181

Triangular Pyramid

Length = n
Surface area 3.4584213137643E+14
Volume 2.6601103091665E+21
Height 13322397.103201