28407645 (number)

28407645 is an odd 8-digits composite number following 28407644 and preceding 28407646. In scientific notation, it is written as 2.8407645 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 12412224 positive integers (up to 28407645) that are relatively prime to 28407645.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred seven thousand six hundred forty-five

Notation

Scientific notation 2.8407645 × 10^7
Engineering notation 2.8407645 × 10^6

Prime Factorization of 28407645

Prime Factorization 9 × 15 × 7 × 23 × 1307

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28407645
Product of the distinct prime numbers

The prime factorization of 28407645 is 9 × 15 × 7 × 23 × 1307. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 6, 83, 75, 35, 850, 6901, 6146, 6134, 30304, 819599, 782438, 6377296, 8933079, 49924896, 81660225, 545360530, 882905238, 1137565607, 8756392340

Basic calculations (n = 28407645)

Multiplication

n×y
n×2 56815290
n×3 85222935
n×4 113630580
n×5 142038225

Division

n÷y
n÷2 14203822.5
n÷3 9469215
n÷3 7101911.25
n÷5 5681529

Exponentiation

ny
n2 806994294446025
n3 2.2924807433648E+22
n4 6.5123979126844E+29
n5 1.8500188800228E+37

Nth Root

y√n
2√n 5329.8822688686
3√n 305.12543438722
4√n 73.00604268736
5√n 30.951880959184

Divisors of 28407645

1, 7, 9, 15, 23, 63, 105, 135, 161, 207, 345, 945, 1307, 1449, 2415, 3105, 9149, 11763, 19605, 21735, 30061, 82341, 137235, 176445, 210427, 270549, 450915, 1235115, 1893843, 3156405, 4058235, 28407645

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28407644
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28407645 can be divided by 32 positive divisors. The sum of these divisors (counting 28407645) is 1, the average is 0.03125.

Base conversion 28407645

Base System Value
2 Binary 1101100010111011101011101
3 Ternary 1222110020222000
4 Quaternary 1230113131131
5 Quinary 24233021040
6 Senary 2452512513
8 Octal 154273535
10 Decimal 28407645
12 Duodecimal 961b739
16 Hexadecimal 1b1775d
20 Vigesimal 8haj25
36 Base36 gwvh9

Cryptographic Hash Functions

md5 88b9805f4127f141ed6be4acb8efa1b4
sha1 85b97b0c5b76498f757520ce0a55cc738f3e79e4
sha256 b89e4163490eb4e2e57892e0ae3e4f31e26bd8b41eb209c4499b4dd007f3264f
sha512 d56562f8e83e61746ad3fab339bde46a82a0f82a848dc3e39a3a415e03a669c285a6600619c97d646797b8a734dad7d5e1cb66ff3f5f957f6b2fb0f923807013
ripemd-160 37eddf94274bb118515fbc61236c6ebeff222c85

28407645 as geometric shapes

Circle

Radius = n
Diameter 56815290
Circumference 178490497.67557
Area 2.5352473469205E+15

Sphere

Radius = n
Volume 9.602720882468E+22
Surface area 1.0140989387682E+16
Circumference 178490497.67557

Square

Length = n
Perimeter 113630580
Area 806994294446025
Diagonal 40174476.83408

Cube

Length = n
Surface area 4841965766676150
Volume 2.2924807433648E+22
Space diagonal 49203484.46338

Equilateral Triangle

Length = n
Perimeter 85222935
Area 3.4943877984968E+14
Altitude 24601742.23169

Triangular Pyramid

Length = n
Surface area 3.4943877984968E+14
Volume 2.7017144656214E+21
Height 13391492.278027