28389997 (number)

28389997 is an odd 8-digits composite number following 28389996 and preceding 28389998. In scientific notation, it is written as 2.8389997 × 10^7. The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors. There are 28342620 positive integers (up to 28389997) that are relatively prime to 28389997.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred eighty-nine thousand nine hundred ninety-seven

Notation

Scientific notation 2.8389997 × 10^7
Engineering notation 2.8389997 × 10^6

Prime Factorization of 28389997

Prime Factorization 607 × 46771

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28389997
Product of the distinct prime numbers

The prime factorization of 28389997 is 607 × 46771. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 1, 91, 85, 73, 795, 1249, 2165, 32489, 2755, 916836, 290910, 454463, 6876544, 83662016, 96835404, 273883224, 272575097, 558224226, 8658048693

Basic calculations (n = 28389997)

Multiplication

n×y
n×2 56779994
n×3 85169991
n×4 113559988
n×5 141949985

Division

n÷y
n÷2 14194998.5
n÷3 9463332.3333333
n÷3 7097499.25
n÷5 5677999.4

Exponentiation

ny
n2 805991929660009
n3 2.2882108465072E+22
n4 6.4962299067706E+29
n5 1.8442794756453E+37

Nth Root

y√n
2√n 5328.2264403833
3√n 305.06223579932
4√n 72.994701454169
5√n 30.948034286331

Divisors of 28389997

1, 607, 46771, 28389997

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 -28389996
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 28389997 can be divided by 4 positive divisors. The sum of these divisors (counting 28389997) is 1, the average is 0.25.

Base conversion 28389997

Base System Value
2 Binary 1101100010011001001101101
3 Ternary 1222102100202101
4 Quaternary 1230103021231
5 Quinary 24231434442
6 Senary 2452255101
8 Octal 154231155
10 Decimal 28389997
12 Duodecimal 9611491
16 Hexadecimal 1b1326d
20 Vigesimal 8h8ejh
36 Base36 gwhv1

Cryptographic Hash Functions

md5 677720b5f2e264c2dc6784573888e99f
sha1 8a84d9bff144158beb7db396951a73f2a4a186c4
sha256 7f3b620758c5d112e842d9c9b7a24259d0e4de3459f9d03590da108cc86b84cb
sha512 8b6b1bb5ac6e7cc0554fef8b302b4584ffada19f0820596cd59de1b8c0bfd1ac36e19744053b5c3d692b258b6cc4c210df0055745249497d5570460379bafd33
ripemd-160 baf78f3df1ec701522524a804e7156587a7d5e7a

28389997 as geometric shapes

Circle

Radius = n
Diameter 56779994
Circumference 178379612.02127
Area 2.5320983250725E+15

Sphere

Radius = n
Volume 9.5848351803353E+22
Surface area 1.012839330029E+16
Circumference 178379612.02127

Square

Length = n
Perimeter 113559988
Area 805991929660009
Diagonal 40149518.793131

Cube

Length = n
Surface area 4835951577960054
Volume 2.2882108465072E+22
Space diagonal 49172917.230728

Equilateral Triangle

Length = n
Perimeter 85169991
Area 3.490047431654E+14
Altitude 24586458.615364

Triangular Pyramid

Length = n
Surface area 3.490047431654E+14
Volume 2.6966823439164E+21
Height 13383172.931044