28978049 (number)

28978049 is an odd 8-digits composite number following 28978048 and preceding 28978050. In scientific notation, it is written as 2.8978049 × 10^7. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 28953600 positive integers (up to 28978049) that are relatively prime to 28978049.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8978049 × 10^7
Engineering notation 2.8978049 × 10^6

Prime Factorization of 28978049

Prime Factorization 1249 × 23201

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28978049
Product of the distinct prime numbers

The prime factorization of 28978049 is 1249 × 23201. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28978049)

Multiplication

n×y
n×2 57956098
n×3 86934147
n×4 115912196
n×5 144890245

Division

n÷y
n÷2 14489024.5
n÷3 9659349.6666667
n÷3 7244512.25
n÷5 5795609.8

Exponentiation

ny
n2 839727323846401
n3 2.433365953706E+22
n4 7.0514197841424E+29
n5 2.0433638802445E+37

Nth Root

y√n
2√n 5383.1263221292
3√n 307.15414527006
4√n 73.369791618412
5√n 31.075192561902

Divisors of 28978049

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 -28978048
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 28978049 can be divided by 4 positive divisors. The sum of these divisors (counting 28978049) is 1, the average is 0.25.

Base conversion 28978049

Base System Value
2 Binary 1101110100010101110000001
3 Ternary 2000112020102002
4 Quaternary 1232202232001
5 Quinary 24404244144
6 Senary 2513033345
8 Octal 156425601
10 Decimal 28978049
12 Duodecimal 9855855
16 Hexadecimal 1ba2b81
20 Vigesimal 912529
36 Base36 h93lt

Cryptographic Hash Functions

md5 7a5e0b3aaf9711ad889b76cec8455827
sha1 3afeeda94e113e82cb3bf63d1113c5f83b9bce71
sha256 ae0f25c8b675d6650d94878c87aae2c01bc7a376a9f2e893568028634b1620d1
sha512 0d365b6b531c28b54958a7b5cab293f8685ac5da2f457a4ccc5bf95d18816ff3f865df08e7f407f44a191cbdc72a8b8432fa9b6f7221c106c66369ff8f0aa126
ripemd-160 ff8a5c19f9df7a1ba2cb5db0e0c473b6373f8161

28978049 as geometric shapes

Circle

Radius = n
Diameter 57956098
Circumference 182074451.70753
Area 2.6380811916145E+15

Sphere

Radius = n
Volume 1.0192859471544E+23
Surface area 1.0552324766458E+16
Circumference 182074451.70753

Square

Length = n
Perimeter 115912196
Area 839727323846401
Diagonal 40981149.906912

Cube

Length = n
Surface area 5038363943078406
Volume 2.433365953706E+22
Space diagonal 50191453.17222

Equilateral Triangle

Length = n
Perimeter 86934147
Area 3.6361259735145E+14
Altitude 25095726.58611

Triangular Pyramid

Length = n
Surface area 3.6361259735145E+14
Volume 2.86774927829E+21
Height 13660383.302304