28403840 (number)

28403840 is an even 8-digits composite number following 28403839 and preceding 28403841. In scientific notation, it is written as 2.8403840 × 10^7. The sum of its digits is 29. It has a total of 9 prime factors and 32 positive divisors. There are 11361280 positive integers (up to 28403840) that are relatively prime to 28403840.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred three thousand eight hundred forty

Notation

Scientific notation 2.8403840 × 10^7
Engineering notation 2.8403840 × 10^6

Prime Factorization of 28403840

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 44381

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 443810
Product of the distinct prime numbers

The prime factorization of 28403840 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 44381. Since it has a total of 9 prime factors.

Most popular turbo-numbers

1, 2, 49, 23, 565, 996, 4046, 1812, 12762, 74344, 644268, 963388, 4369139, 3289366, 71445529, 64977433, 273668471, 363676719, 2819264464, 6312548674

Basic calculations (n = 28403840)

Multiplication

n×y
n×2 56807680
n×3 85211520
n×4 113615360
n×5 142019200

Division

n÷y
n÷2 14201920
n÷3 9467946.6666667
n÷3 7100960
n÷5 5680768

Exponentiation

ny
n2 806778126745600
n3 2.2915596827582E+22
n4 6.5089094579514E+29
n5 1.8487802281814E+37

Nth Root

y√n
2√n 5329.525307192
3√n 305.11181065884
4√n 73.003597905802
5√n 30.95105175833

Divisors of 28403840

1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 44381, 88762, 177524, 221905, 355048, 443810, 710096, 887620, 1420192, 1775240, 2840384, 3550480, 5680768, 7100960, 14201920, 28403840

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 -28403839
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 28403840 can be divided by 32 positive divisors. The sum of these divisors (counting 28403840) is 1, the average is 0.03125.

Base conversion 28403840

Base System Value
2 Binary 1101100010110100010000000
3 Ternary 1222110001202002
4 Quaternary 1230112202000
5 Quinary 24232410330
6 Senary 2452443132
8 Octal 154264200
10 Decimal 28403840
12 Duodecimal 96194a8
16 Hexadecimal 1b16880
20 Vigesimal 8ha9c0
36 Base36 gwsjk

Cryptographic Hash Functions

md5 81a3f21c1d03cff6e2180f4c6d2c1118
sha1 621b4917135d0bf4bc85e1f4f8955366b96f7044
sha256 07b412d8f7ce16b46978fb1a12330ff7631d221f5bebbc310ebc74f1089bfab1
sha512 d8cff2d0e18415ee50910d43604528e929fe17bcc282131e74007a7b05f9cb2d7ca2a7e92d102e7f8e12b30e0c3f1a6d8e256ca6614ef9c714be4abe9db9a5b7
ripemd-160 72ea729589ca9bfd2351d5f5c793121ba1c57fa7

28403840 as geometric shapes

Circle

Radius = n
Diameter 56807680
Circumference 178466590.15548
Area 2.5345682360609E+15

Sphere

Radius = n
Volume 9.5988627528208E+22
Surface area 1.0138272944244E+16
Circumference 178466590.15548

Square

Length = n
Perimeter 113615360
Area 806778126745600
Diagonal 40169095.751475

Cube

Length = n
Surface area 4840668760473600
Volume 2.2915596827582E+22
Space diagonal 49196894.010057

Equilateral Triangle

Length = n
Perimeter 85211520
Area 3.4934517648966E+14
Altitude 24598447.005029

Triangular Pyramid

Length = n
Surface area 3.4934517648966E+14
Volume 2.7006289852867E+21
Height 13389698.583825