28408949 (number)

28408949 is an odd 8-digits composite number following 28408948 and preceding 28408950. In scientific notation, it is written as 2.8408949 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 28327200 positive integers (up to 28408949) that are relatively prime to 28408949.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8408949 × 10^7
Engineering notation 2.8408949 × 10^6

Prime Factorization of 28408949

Prime Factorization 349 × 81401

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28408949
Product of the distinct prime numbers

The prime factorization of 28408949 is 349 × 81401. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28408949)

Multiplication

n×y
n×2 56817898
n×3 85226847
n×4 113635796
n×5 142044745

Division

n÷y
n÷2 14204474.5
n÷3 9469649.6666667
n÷3 7102237.25
n÷5 5681789.8

Exponentiation

ny
n2 807068383284601
n3 2.2927964540245E+22
n4 6.5135937529762E+29
n5 1.8504435273502E+37

Nth Root

y√n
2√n 5330.0045966209
3√n 305.13010305392
4√n 73.00688047452
5√n 30.952165111649

Divisors of 28408949

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28408948
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28408949 can be divided by 4 positive divisors. The sum of these divisors (counting 28408949) is 1, the average is 0.25.

Base conversion 28408949

Base System Value
2 Binary 1101100010111110001110101
3 Ternary 1222110022202022
4 Quaternary 1230113301311
5 Quinary 24233041244
6 Senary 2452522525
8 Octal 154276165
10 Decimal 28408949
12 Duodecimal 9620445
16 Hexadecimal 1b17c75
20 Vigesimal 8hb279
36 Base36 gwwhh

Cryptographic Hash Functions

md5 670690008937e663c3758b4501b8af7c
sha1 4e6d4051aa788f0094b53139c060f80053cf1b53
sha256 010f0235a14087c7ff5c6672040776c8e6ce327a2283795fb07aabbf00ebd21b
sha512 45671b781ed97476216736925d70ef937e938bfbd891d327f25357b86f565cb5df4f2022e5efc8c466f87abc43e578c0354dbe5dc0d566f67afe01cfa5aee1f7
ripemd-160 8a14fc94f0cb9fab776e1be607b3da7c8948e6e0

28408949 as geometric shapes

Circle

Radius = n
Diameter 56817898
Circumference 178498690.94921
Area 2.5354801038715E+15

Sphere

Radius = n
Volume 9.6040433281867E+22
Surface area 1.0141920415486E+16
Circumference 178498690.94921

Square

Length = n
Perimeter 113635796
Area 807068383284601
Diagonal 40176320.968566

Cube

Length = n
Surface area 4842410299707606
Volume 2.2927964540245E+22
Space diagonal 49205743.057633

Equilateral Triangle

Length = n
Perimeter 85226847
Area 3.4947086125785E+14
Altitude 24602871.528817

Triangular Pyramid

Length = n
Surface area 3.4947086125785E+14
Volume 2.702086534202E+21
Height 13392106.989522