28945900 (number)

28945900 is an even 8-digits composite number following 28945899 and preceding 28945901. In scientific notation, it is written as 2.8945900 × 10^7. The sum of its digits is 37. It has a total of 5 prime factors and 24 positive divisors. There are 10896640 positive integers (up to 28945900) that are relatively prime to 28945900.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred forty-five thousand nine hundred

Notation

Scientific notation 2.8945900 × 10^7
Engineering notation 2.8945900 × 10^6

Prime Factorization of 28945900

Prime Factorization 2 × 2 × 25 × 17 × 17027

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14472950
Product of the distinct prime numbers

The prime factorization of 28945900 is 2 × 2 × 25 × 17 × 17027. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 7, 53, 63, 285, 605, 5244, 9427, 2164, 1952, 18837, 680745, 8440010, 1474343, 18766984, 93333159, 558315581, 278679870, 2944515413, 7256315508

Basic calculations (n = 28945900)

Multiplication

n×y
n×2 57891800
n×3 86837700
n×4 115783600
n×5 144729500

Division

n÷y
n÷2 14472950
n÷3 9648633.3333333
n÷3 7236475
n÷5 5789180

Exponentiation

ny
n2 837865126810000
n3 2.425276017413E+22
n4 7.0201797072434E+29
n5 2.032054197879E+37

Nth Root

y√n
2√n 5380.1394033984
3√n 307.0405149768
4√n 73.349433558811
5√n 31.068294374907

Divisors of 28945900

1, 2, 4, 17, 25, 34, 50, 68, 100, 425, 850, 1700, 17027, 34054, 68108, 289459, 425675, 578918, 851350, 1157836, 1702700, 7236475, 14472950, 28945900

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28945899
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28945900 can be divided by 24 positive divisors. The sum of these divisors (counting 28945900) is 1, the average is 0.041666666666667.

Base conversion 28945900

Base System Value
2 Binary 1101110011010110111101100
3 Ternary 2000110121022101
4 Quaternary 1232122313230
5 Quinary 24402232100
6 Senary 2512224444
8 Octal 156326754
10 Decimal 28945900
12 Duodecimal 983b124
16 Hexadecimal 1b9adec
20 Vigesimal 90i4f0
36 Base36 h8ess

Cryptographic Hash Functions

md5 0077949a424e83339d7097820133f7fd
sha1 6cfb303b77af9a91d639b4902dd0388202f29146
sha256 235d98a10fb1c00675586f5696a1d18bc787f527561c92dfedef162f7d8a4835
sha512 5cfe1309986f1fcc99b4aa788f7b0077385e93adbf0e6230ccc348c2ccb63f0cc2785cee5f6960e690e06b35b840a185db812b82c026b6ef2fd70323ac435852
ripemd-160 f0856f5a6978384369551a8868d8b5833e5bc664

28945900 as geometric shapes

Circle

Radius = n
Diameter 57891800
Circumference 181872453.58309
Area 2.6322309270854E+15

Sphere

Radius = n
Volume 1.0158972425643E+23
Surface area 1.0528923708342E+16
Circumference 181872453.58309

Square

Length = n
Perimeter 115783600
Area 837865126810000
Diagonal 40935684.355095

Cube

Length = n
Surface area 5027190760860000
Volume 2.425276017413E+22
Space diagonal 50135769.470808

Equilateral Triangle

Length = n
Perimeter 86837700
Area 3.6280624238127E+14
Altitude 25067884.735404

Triangular Pyramid

Length = n
Surface area 3.6280624238127E+14
Volume 2.8582151969363E+21
Height 13645228.118365