28490988 (number)

28490988 is an even 8-digits composite number following 28490987 and preceding 28490989. In scientific notation, it is written as 2.8490988 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors. There are 9483840 positive integers (up to 28490988) that are relatively prime to 28490988.

Interesting facts

Basic properties

Name

Name twenty-eight million four hundred ninety thousand nine hundred eighty-eight

Notation

Scientific notation 2.8490988 × 10^7
Engineering notation 2.8490988 × 10^6

Prime Factorization of 28490988

Prime Factorization 2 × 2 × 3 × 1069 × 2221

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14245494
Product of the distinct prime numbers

The prime factorization of 28490988 is 2 × 2 × 3 × 1069 × 2221. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 6, 13, 45, 434, 509, 1169, 9318, 39897, 52686, 393517, 926576, 9143933, 6039285, 6284286, 30864222, 449952085, 164989987, 9786438896, 4321793261

Basic calculations (n = 28490988)

Multiplication

n×y
n×2 56981976
n×3 85472964
n×4 113963952
n×5 142454940

Division

n÷y
n÷2 14245494
n÷3 9496996
n÷3 7122747
n÷5 5698197.6

Exponentiation

ny
n2 811736397216144
n3 2.3127171952248E+22
n4 6.5891597856545E+29
n5 1.8773167238316E+37

Nth Root

y√n
2√n 5337.6950081472
3√n 305.42353771382
4√n 73.059530577107
5√n 30.970021151166

Divisors of 28490988

1, 2, 3, 4, 6, 12, 1069, 2138, 2221, 3207, 4276, 4442, 6414, 6663, 8884, 12828, 13326, 26652, 2374249, 4748498, 7122747, 9496996, 14245494, 28490988

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 -28490987
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 28490988 can be divided by 24 positive divisors. The sum of these divisors (counting 28490988) is 1, the average is 0.041666666666667.

Base conversion 28490988

Base System Value
2 Binary 1101100101011110011101100
3 Ternary 1222121111021210
4 Quaternary 1230223303230
5 Quinary 24243202423
6 Senary 2454354420
8 Octal 154536354
10 Decimal 28490988
12 Duodecimal 965ba10
16 Hexadecimal 1b2bcec
20 Vigesimal 8i1798
36 Base36 gynsc

Cryptographic Hash Functions

md5 4fcc7c3974c0fa8564b34e0f7bdcd4d3
sha1 7a0292a71776a25f6c8a51761a14f03dd00a4ef1
sha256 0ed6ceeed3a0480b091769df23cafa8e0e3d16cfa5535ca4824827f176646cbb
sha512 99cc135e01901ac8643ca7b2f861a6aa4a0c67eb4fea64237120ffe2732cef522829e4f12d7498d86e552cf4e98df906cb7be89e27d4c3e5991dcdbe2b88ac10
ripemd-160 8ae7fe9f0decf832a3ba98447ff837bac612bda2

28490988 as geometric shapes

Circle

Radius = n
Diameter 56981976
Circumference 179014157.18863
Area 2.5501451021457E+15

Sphere

Radius = n
Volume 9.6874871337989E+22
Surface area 1.0200580408583E+16
Circumference 179014157.18863

Square

Length = n
Perimeter 113963952
Area 811736397216144
Diagonal 40292341.635009

Cube

Length = n
Surface area 4870418383296864
Volume 2.3127171952248E+22
Space diagonal 49347838.773835

Equilateral Triangle

Length = n
Perimeter 85472964
Area 3.5149217058282E+14
Altitude 24673919.386918

Triangular Pyramid

Length = n
Surface area 3.5149217058282E+14
Volume 2.7255633528504E+21
Height 13430780.545003