28390625 (number)

28390625 is an odd 8-digits composite number following 28390624 and preceding 28390626. In scientific notation, it is written as 2.8390625 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 28 positive divisors. There are 21450000 positive integers (up to 28390625) that are relatively prime to 28390625.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8390625 × 10^7
Engineering notation 2.8390625 × 10^6

Prime Factorization of 28390625

Prime Factorization 125 × 5 × 5 × 5 × 23 × 79

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 1135625
Product of the distinct prime numbers

The prime factorization of 28390625 is 125 × 5 × 5 × 5 × 23 × 79. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 6, 40, 52, 226, 942, 2718, 3239, 65068, 39642, 496894, 534459, 7999753, 6170226, 39259713, 1290715, 675487006, 878418151, 8056545446, 1539625661

Basic calculations (n = 28390625)

Multiplication

n×y
n×2 56781250
n×3 85171875
n×4 113562500
n×5 141953125

Division

n÷y
n÷2 14195312.5
n÷3 9463541.6666667
n÷3 7097656.25
n÷5 5678125

Exponentiation

ny
n2 806027587890625
n3 2.2883626987457E+22
n4 6.4968047244078E+29
n5 1.8444834662889E+37

Nth Root

y√n
2√n 5328.2853714868
3√n 305.0644851558
4√n 72.995105120047
5√n 30.948171202115

Divisors of 28390625

1, 5, 23, 25, 79, 115, 125, 395, 575, 625, 1817, 1975, 2875, 3125, 9085, 9875, 14375, 15625, 45425, 49375, 71875, 227125, 246875, 359375, 1135625, 1234375, 5678125, 28390625

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28390624
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28390625 can be divided by 28 positive divisors. The sum of these divisors (counting 28390625) is 1, the average is 0.035714285714286.

Base conversion 28390625

Base System Value
2 Binary 1101100010011010011100001
3 Ternary 1222102101121122
4 Quaternary 1230103103201
5 Quinary 24232000000
6 Senary 2452302025
8 Octal 154232341
10 Decimal 28390625
12 Duodecimal 9611915
16 Hexadecimal 1b134e1
20 Vigesimal 8h8gb5
36 Base36 gwich

Cryptographic Hash Functions

md5 706fae7099362c090e4c0c6198cfd4de
sha1 a01a184cf6a2c4806e51440caa3edb9d34380b17
sha256 96d1c8ffb09bb7970c6b119d993c7f4ea8ab2767b908cc6ea1647bdb6790b734
sha512 623acf99c97f0c2793e64b76542b1eed32385af381de06537909e5b4d95ebcf0e478e434f5347bf425df421ac0e60f24875f6d72ebb996a00f81cb385adc1972
ripemd-160 0abe5cfb90c0e115d474b826805287afbbf611ed

28390625 as geometric shapes

Circle

Radius = n
Diameter 56781250
Circumference 178383557.86165
Area 2.5322103487079E+15

Sphere

Radius = n
Volume 9.5854712575047E+22
Surface area 1.0128841394832E+16
Circumference 178383557.86165

Square

Length = n
Perimeter 113562500
Area 806027587890625
Diagonal 40150406.919249

Cube

Length = n
Surface area 4836165527343750
Volume 2.2883626987457E+22
Space diagonal 49174004.958635

Equilateral Triangle

Length = n
Perimeter 85171875
Area 3.4902018363219E+14
Altitude 24587002.479318

Triangular Pyramid

Length = n
Surface area 3.4902018363219E+14
Volume 2.6968613034958E+21
Height 13383468.973083