28490638 (number)

28490638 is an even 8-digits composite number following 28490637 and preceding 28490639. In scientific notation, it is written as 2.8490638 × 10^7. The sum of its digits is 40. It has a total of 5 prime factors and 16 positive divisors. There are 12831480 positive integers (up to 28490638) that are relatively prime to 28490638.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety thousand six hundred thirty-eight

Notation

Scientific notation 2.8490638 × 10^7
Engineering notation 2.8490638 × 10^6

Prime Factorization of 28490638

Prime Factorization 2 × 11 × 109 × 109 × 109

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2398
Product of the distinct prime numbers

The prime factorization of 28490638 is 2 × 11 × 109 × 109 × 109. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28490638)

Multiplication

n×y
n×2 56981276
n×3 85471914
n×4 113962552
n×5 142453190

Division

n÷y
n÷2 14245319
n÷3 9496879.3333333
n÷3 7122659.5
n÷5 5698127.6

Exponentiation

ny
n2 811716453647044
n3 2.3126319639502E+22
n4 6.5888360112133E+29
n5 1.8772014163684E+37

Nth Root

y√n
2√n 5337.6622223591
3√n 305.42228704144
4√n 73.059306199547
5√n 30.969945060013

Divisors of 28490638

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 -28490637
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 28490638 can be divided by 16 positive divisors. The sum of these divisors (counting 28490638) is 1, the average is 0.0625.

Base conversion 28490638

Base System Value
2 Binary 1101100101011101110001110
3 Ternary 1222121110210211
4 Quaternary 1230223232032
5 Quinary 24243200023
6 Senary 2454353034
8 Octal 154535616
10 Decimal 28490638
12 Duodecimal 965b77a
16 Hexadecimal 1b2bb8e
20 Vigesimal 8i16bi
36 Base36 gynim

Cryptographic Hash Functions

md5 a76630d2d4877dc5e5650c7359641b16
sha1 d0d9c81f8fabfbf42051d661fecbeb7b65999747
sha256 ec696eb0510af21a60022f9c5b6e1e444ea9896d10a2965c6104ecacdec9df6f
sha512 7cbca3aa706a190853985814c342b62de0f45b1e558c43bc7068307befab6ad9fd36753297aaac9d15b02bd11ce5d198af585a806994475f1140ee2593a69abb
ripemd-160 12a0eb4e87dd0ced3a5a9031aa2b7e8a9e624d65

28490638 as geometric shapes

Circle

Radius = n
Diameter 56981276
Circumference 179011958.07377
Area 2.5500824475755E+15

Sphere

Radius = n
Volume 9.6871301178704E+22
Surface area 1.0200329790302E+16
Circumference 179011958.07377

Square

Length = n
Perimeter 113962552
Area 811716453647044
Diagonal 40291846.660262

Cube

Length = n
Surface area 4870298721882264
Volume 2.3126319639502E+22
Space diagonal 49347232.556053

Equilateral Triangle

Length = n
Perimeter 85471914
Area 3.5148353476408E+14
Altitude 24673616.278026

Triangular Pyramid

Length = n
Surface area 3.5148353476408E+14
Volume 2.7254629068299E+21
Height 13430615.553421