28653721 (number)

28653721 is an odd 8-digits composite number following 28653720 and preceding 28653722. In scientific notation, it is written as 2.8653721 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 26922240 positive integers (up to 28653721) that are relatively prime to 28653721.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred fifty-three thousand seven hundred twenty-one

Notation

Scientific notation 2.8653721 × 10^7
Engineering notation 2.8653721 × 10^6

Prime Factorization of 28653721

Prime Factorization 17 × 2053 × 821

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28653721
Product of the distinct prime numbers

The prime factorization of 28653721 is 17 × 2053 × 821. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 6, 30, 74, 612, 382, 3871, 3207, 9835, 65812, 863182, 695517, 5123485, 631973, 79535323, 92079086, 173079054, 164231013, 2725542447, 1938412551

Basic calculations (n = 28653721)

Multiplication

n×y
n×2 57307442
n×3 85961163
n×4 114614884
n×5 143268605

Division

n÷y
n÷2 14326860.5
n÷3 9551240.3333333
n÷3 7163430.25
n÷5 5730744.2

Exponentiation

ny
n2 821035727145841
n3 2.3525728656669E+22
n4 6.740996652499E+29
n5 1.9315463734264E+37

Nth Root

y√n
2√n 5352.9170552139
3√n 306.00393362167
4√n 73.163632053186
5√n 31.005319114518

Divisors of 28653721

1, 17, 821, 2053, 13957, 34901, 1685513, 28653721

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28653720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28653721 can be divided by 8 positive divisors. The sum of these divisors (counting 28653721) is 1, the average is 0.125.

Base conversion 28653721

Base System Value
2 Binary 1101101010011100010011001
3 Ternary 1222220202111221
4 Quaternary 1231103202121
5 Quinary 24313404341
6 Senary 2502052041
8 Octal 155234231
10 Decimal 28653721
12 Duodecimal 971a021
16 Hexadecimal 1b53899
20 Vigesimal 8j1e61
36 Base36 h25cp

Cryptographic Hash Functions

md5 99a515665c90c6e85253c7483a910f86
sha1 c8f49f8eac7e967db0643d7f1f32c4c4ab0b90a5
sha256 88b513a75c5455bcc16d076dc4ad62a2f265f14c0386355e0a5b5ec6eb7e9b48
sha512 2761043a2034a45ab54cdb9fed98bcec32178f96ca0ca2dcfcc51ba43c79d38eb64fa2b6524f9304d55b4dbb0f592ca16c3491d14d699dcdb79cd3f6bda83fbc
ripemd-160 945b5a5bbe0a6bda6760bbee2672bed57afff1b2

28653721 as geometric shapes

Circle

Radius = n
Diameter 57307442
Circumference 180036638.78322
Area 2.5793598087361E+15

Sphere

Radius = n
Volume 9.8544341757518E+22
Surface area 1.0317439234945E+16
Circumference 180036638.78322

Square

Length = n
Perimeter 114614884
Area 821035727145841
Diagonal 40522480.850655

Cube

Length = n
Surface area 4926214362875046
Volume 2.3525728656669E+22
Space diagonal 49629700.597903

Equilateral Triangle

Length = n
Perimeter 85961163
Area 3.5551889856146E+14
Altitude 24814850.298952

Triangular Pyramid

Length = n
Surface area 3.5551889856146E+14
Volume 2.7725337109142E+21
Height 13507493.616885