28697725 (number)

28697725 is an odd 8-digits composite number following 28697724 and preceding 28697726. In scientific notation, it is written as 2.8697725 × 10^7. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 19678320 positive integers (up to 28697725) that are relatively prime to 28697725.

Interesting facts

Basic properties

Name

Name twenty-eight million six hundred ninety-seven thousand seven hundred twenty-five

Notation

Scientific notation 2.8697725 × 10^7
Engineering notation 2.8697725 × 10^6

Prime Factorization of 28697725

Prime Factorization 175 × 163987

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28697725
Product of the distinct prime numbers

The prime factorization of 28697725 is 175 × 163987. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 20, 81, 41, 610, 9775, 1155, 48214, 2569, 599249, 120434, 9490559, 1388772, 72357690, 20161026, 287183831, 518443105, 1598108640, 6391411692

Basic calculations (n = 28697725)

Multiplication

n×y
n×2 57395450
n×3 86093175
n×4 114790900
n×5 143488625

Division

n÷y
n÷2 14348862.5
n÷3 9565908.3333333
n÷3 7174431.25
n÷5 5739545

Exponentiation

ny
n2 823559420175625
n3 2.363428176136E+22
n4 6.7825011856001E+29
n5 1.9464235383653E+37

Nth Root

y√n
2√n 5357.025760625
3√n 306.16049862717
4√n 73.191705545267
5√n 31.014836347736

Divisors of 28697725

1, 175, 163987, 28697725

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28697724
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28697725 can be divided by 4 positive divisors. The sum of these divisors (counting 28697725) is 1, the average is 0.25.

Base conversion 28697725

Base System Value
2 Binary 1101101011110010001111101
3 Ternary 1222222222212201
4 Quaternary 1231132101331
5 Quinary 24321311400
6 Senary 2503031501
8 Octal 155362175
10 Decimal 28697725
12 Duodecimal 973b591
16 Hexadecimal 1b5e47d
20 Vigesimal 8j7465
36 Base36 h33b1

Cryptographic Hash Functions

md5 a1d9317ad1c5b00f3542b788f90dd0cb
sha1 f9c064fd17c70d61fac4e7b7b1ee7eb0fd5d2af7
sha256 0c72f3768adee131d19181f427f00f142074521bc44fe722921018eff8422799
sha512 81cf4566dbb6388cf3d6f564331a9b95fde53cc3a42864b361d2152407d01369e2010aa732253ba50a0c7675a7043eb6a8daa9dcadc4e74abd945477da1a96ff
ripemd-160 e0ae9d23f4e5551de7ad8eb822c0497e26669a8e

28697725 as geometric shapes

Circle

Radius = n
Diameter 57395450
Circumference 180313124.06948
Area 2.5872882242184E+15

Sphere

Radius = n
Volume 9.8999047939144E+22
Surface area 1.0349152896874E+16
Circumference 180313124.06948

Square

Length = n
Perimeter 114790900
Area 823559420175625
Diagonal 40584711.904253

Cube

Length = n
Surface area 4941356521053750
Volume 2.363428176136E+22
Space diagonal 49705917.76164

Equilateral Triangle

Length = n
Perimeter 86093175
Area 3.5661168969904E+14
Altitude 24852958.88082

Triangular Pyramid

Length = n
Surface area 3.5661168969904E+14
Volume 2.7853268169885E+21
Height 13528237.301418