28681649 (number)

28681649 is an odd 8-digits prime number following 28681648 and preceding 28681650. In scientific notation, it is written as 2.8681649 × 10^7. The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors. There are 28681648 positive integers (up to 28681649) that are relatively prime to 28681649.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred eighty-one thousand six hundred forty-nine

Notation

Scientific notation 2.8681649 × 10^7
Engineering notation 2.8681649 × 10^6

Prime Factorization of 28681649

Prime Factorization 28681649

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28681649
Product of the distinct prime numbers

The prime factorization of 28681649 is 28681649. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28681649)

Multiplication

n×y
n×2 57363298
n×3 86044947
n×4 114726596
n×5 143408245

Division

n÷y
n÷2 14340824.5
n÷3 9560549.6666667
n÷3 7170412.25
n÷5 5736329.8

Exponentiation

ny
n2 822636989359201
n3 2.3594585383217E+22
n4 6.7673161626197E+29
n5 1.9409778684829E+37

Nth Root

y√n
2√n 5355.5250909691
3√n 306.10331923395
4√n 73.181453189788
5√n 31.011360767226

Divisors of 28681649

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28681650
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14340825
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5355.5251843307
Returns the nth root of the product of n divisors
H Harmonic Mean 1.999999930269
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28681649 can be divided by 2 positive divisors. The sum of these divisors (counting 28681649) is 28681650, the average is 14340825.

Base conversion 28681649

Base System Value
2 Binary 1101101011010010110110001
3 Ternary 1222222011211022
4 Quaternary 1231122112301
5 Quinary 24320303044
6 Senary 2502425225
8 Octal 155322661
10 Decimal 28681649
12 Duodecimal 9732215
16 Hexadecimal 1b5a5b1
20 Vigesimal 8j5429
36 Base36 h2qwh

Cryptographic Hash Functions

md5 478f040c3399c32cd1685d92b8caa84a
sha1 5fdde6274d1fe4e106b4e7ba528f669684d53f60
sha256 288995d4ba66798a33de8227683486a005a309a9a289ce92574671d62fbe816d
sha512 de29e8123394d3fae74b463c42f5288fc8aa0cf9ac1e0864611f47c60f888a67593bec08f2414835963b81b210d3d90a5eac185002d36ba4557bfc4eeee6d64e
ripemd-160 c23ad70dfd50c54e5a8976bb7b2e6be70817e159

28681649 as geometric shapes

Circle

Radius = n
Diameter 57363298
Circumference 180212115.58248
Area 2.5843903223421E+15

Sphere

Radius = n
Volume 9.8832768139217E+22
Surface area 1.0337561289368E+16
Circumference 180212115.58248

Square

Length = n
Perimeter 114726596
Area 822636989359201
Diagonal 40561977.007025

Cube

Length = n
Surface area 4935821936155206
Volume 2.3594585383217E+22
Space diagonal 49678073.312857

Equilateral Triangle

Length = n
Perimeter 86044947
Area 3.5621226543891E+14
Altitude 24839036.656429

Triangular Pyramid

Length = n
Surface area 3.5621226543891E+14
Volume 2.7806485539597E+21
Height 13520659.002342