28407890 (number)

28407890 is an even 8-digits composite number following 28407889 and preceding 28407891. In scientific notation, it is written as 2.8407890 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 9739824 positive integers (up to 28407890) that are relatively prime to 28407890.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred seven thousand eight hundred ninety

Notation

Scientific notation 2.8407890 × 10^7
Engineering notation 2.8407890 × 10^6

Prime Factorization of 28407890

Prime Factorization 2 × 5 × 7 × 405827

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 28407890
Product of the distinct prime numbers

The prime factorization of 28407890 is 2 × 5 × 7 × 405827. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 39, 1, 637, 203, 7934, 8607, 86612, 65027, 405755, 981855, 571241, 4354790, 62855936, 403454, 940563951, 260875761, 7525241220, 7641144928

Basic calculations (n = 28407890)

Multiplication

n×y
n×2 56815780
n×3 85223670
n×4 113631560
n×5 142039450

Division

n÷y
n÷2 14203945
n÷3 9469296.6666667
n÷3 7101972.5
n÷5 5681578

Exponentiation

ny
n2 807008214252100
n3 2.292540057957E+22
n4 6.5126225787036E+29
n5 1.8500986582733E+37

Nth Root

y√n
2√n 5329.9052524412
3√n 305.12631156326
4√n 73.00620009589
5√n 30.951934347521

Divisors of 28407890

1, 2, 5, 7, 10, 14, 35, 70, 405827, 811654, 2029135, 2840789, 4058270, 5681578, 14203945, 28407890

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28407889
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28407890 can be divided by 16 positive divisors. The sum of these divisors (counting 28407890) is 1, the average is 0.0625.

Base conversion 28407890

Base System Value
2 Binary 1101100010111100001010010
3 Ternary 1222110021022002
4 Quaternary 1230113201102
5 Quinary 24233023030
6 Senary 2452514002
8 Octal 154274122
10 Decimal 28407890
12 Duodecimal 961b902
16 Hexadecimal 1b17852
20 Vigesimal 8hajea
36 Base36 gwvo2

Cryptographic Hash Functions

md5 0801ca16c8691b238bb110768648e0e0
sha1 8b61a895e6f466c9ee58b87d8dedf99dceac65ad
sha256 c9e4c1f88bd357ab25b4e7d708751f5daef7f2dec18480a2be01810688b25c59
sha512 f6a3821e6ff8a2d5c39be8c85e30bc7c724dd1191f0e1c30616b86552d335030ab76d11dc49bca163c2bd56b79a25c11e74d8d5d3e13460b4e6fb1c0defa8ff3
ripemd-160 27a5fbdd7744a53b92c439084b25b9667107f510

28407890 as geometric shapes

Circle

Radius = n
Diameter 56815780
Circumference 178492037.05597
Area 2.535291077281E+15

Sphere

Radius = n
Volume 9.6029693388507E+22
Surface area 1.0141164309124E+16
Circumference 178492037.05597

Square

Length = n
Perimeter 113631560
Area 807008214252100
Diagonal 40174823.316403

Cube

Length = n
Surface area 4842049285512600
Volume 2.292540057957E+22
Space diagonal 49203908.815828

Equilateral Triangle

Length = n
Perimeter 85223670
Area 3.4944480730252E+14
Altitude 24601954.407914

Triangular Pyramid

Length = n
Surface area 3.4944480730252E+14
Volume 2.7017843685387E+21
Height 13391607.772134