28138977 (number)

28138977 is an odd 8-digits composite number following 28138976 and preceding 28138978. In scientific notation, it is written as 2.8138977 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 6 positive divisors. There are 18759312 positive integers (up to 28138977) that are relatively prime to 28138977.

Interesting facts

Basic properties

Name

Name twenty-eight million one hundred thirty-eight thousand nine hundred seventy-seven

Notation

Scientific notation 2.8138977 × 10^7
Engineering notation 2.8138977 × 10^6

Prime Factorization of 28138977

Prime Factorization 3 × 3 × 3126553

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 9379659
Product of the distinct prime numbers

The prime factorization of 28138977 is 3 × 3 × 3126553. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 35, 30, 383, 49, 8034, 2213, 45996, 17073, 420068, 955077, 1834713, 1989658, 85125263, 43951872, 762623781, 853687276, 8774388901, 3709804655

Basic calculations (n = 28138977)

Multiplication

n×y
n×2 56277954
n×3 84416931
n×4 112555908
n×5 140694885

Division

n÷y
n÷2 14069488.5
n÷3 9379659
n÷3 7034744.25
n÷5 5627795.4

Exponentiation

ny
n2 791802026606529
n3 2.2280499015235E+22
n4 6.2695044933821E+29
n5 1.7641744274067E+37

Nth Root

y√n
2√n 5304.6184594182
3√n 304.16046828761
4√n 72.832811695129
5√n 30.893112141348

Divisors of 28138977

1, 3, 9, 3126553, 9379659, 28138977

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28138976
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28138977 can be divided by 6 positive divisors. The sum of these divisors (counting 28138977) is 1, the average is 0.16666666666667.

Base conversion 28138977

Base System Value
2 Binary 1101011010101110111100001
3 Ternary 1221221121102100
4 Quaternary 1223111313201
5 Quinary 24200421402
6 Senary 2443041013
8 Octal 153256741
10 Decimal 28138977
12 Duodecimal 9510169
16 Hexadecimal 1ad5de1
20 Vigesimal 8fh78h
36 Base36 gr469

Cryptographic Hash Functions

md5 c0a80a84ae898d3d125eaeb9d73c5bf6
sha1 d8604965ec53ac3c770b7e5e50cec553e9267aba
sha256 523667ed091e076b4955fc77d9f6021a4ffb79d596a3e1180ea9e206a0167371
sha512 c9b7ecffea3e48830cf29c7166d9a991df75c3c98afab4dbf5ca05571b49c8c4f80825af2711e2abf422c9abc845a9a7e18216a9b8d870056077720d33b3a53e
ripemd-160 4c4a99ff834a005c8f404194a1c9bcacbb75aadb

28138977 as geometric shapes

Circle

Radius = n
Diameter 56277954
Circumference 176802406.84546
Area 2.4875194298846E+15

Sphere

Radius = n
Volume 9.3328336032767E+22
Surface area 9.9500777195383E+15
Circumference 176802406.84546

Square

Length = n
Perimeter 112555908
Area 791802026606529
Diagonal 39794522.904705

Cube

Length = n
Surface area 4750812159639174
Volume 2.2280499015235E+22
Space diagonal 48738137.837012

Equilateral Triangle

Length = n
Perimeter 84416931
Area 3.4286033490463E+14
Altitude 24369068.918506

Triangular Pyramid

Length = n
Surface area 3.4286033490463E+14
Volume 2.6257819903154E+21
Height 13264840.968235