28351381 (number)

28351381 is an odd 8-digits prime number following 28351380 and preceding 28351382. In scientific notation, it is written as 2.8351381 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 28351380 positive integers (up to 28351381) that are relatively prime to 28351381.

Interesting facts

Basic properties

Name

Name twenty-eight million three hundred fifty-one thousand three hundred eighty-one

Notation

Scientific notation 2.8351381 × 10^7
Engineering notation 2.8351381 × 10^6

Prime Factorization of 28351381

Prime Factorization 28351381

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 28351381
Product of the distinct prime numbers

The prime factorization of 28351381 is 28351381. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 6, 30, 81, 784, 200, 8198, 913, 565, 3810, 999453, 704589, 9274793, 4760301, 94530685, 71974364, 49603110, 714828125, 3047957793, 7494289295

Basic calculations (n = 28351381)

Multiplication

n×y
n×2 56702762
n×3 85054143
n×4 113405524
n×5 141756905

Division

n÷y
n÷2 14175690.5
n÷3 9450460.3333333
n÷3 7087845.25
n÷5 5670276.2

Exponentiation

ny
n2 803800804607161
n3 2.2788862859524E+22
n4 6.4609573348712E+29
n5 1.8317706302568E+37

Nth Root

y√n
2√n 5324.6014874355
3√n 304.92385808706
4√n 72.969866982443
5√n 30.939610614809

Divisors of 28351381

1, 28351381

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 28351382
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 14175691
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 5324.6015813392
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999294567
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28351381 can be divided by 2 positive divisors. The sum of these divisors (counting 28351381) is 28351382, the average is 14175691.

Base conversion 28351381

Base System Value
2 Binary 1101100001001101110010101
3 Ternary 1222100101210011
4 Quaternary 1230021232111
5 Quinary 24224221011
6 Senary 2451400221
8 Octal 154115625
10 Decimal 28351381
12 Duodecimal 95b3071
16 Hexadecimal 1b09b95
20 Vigesimal 8h3i91
36 Base36 gvo2d

Cryptographic Hash Functions

md5 34aa5a02ebff429a6f98650fb5ba841f
sha1 628aabca22214d2be876362c3e6142d1343537cd
sha256 c23b97fda931d84b00f9c9fb0874f48b5acc7c847adab019fad512c38fd99386
sha512 342999e0d02488ceae26ee4575613c661c68b74fb3b4fab9a2c7598326435e0572a23e84b740dabc325cf94b4148055369b192b1b6c77dec209748c7febc97a3
ripemd-160 9f9ebe1e8d65941ba94578a21cf2d95e4bc30bb7

28351381 as geometric shapes

Circle

Radius = n
Diameter 56702762
Circumference 178136980.53745
Area 2.5252147027034E+15

Sphere

Radius = n
Volume 9.5457765524195E+22
Surface area 1.0100858810814E+16
Circumference 178136980.53745

Square

Length = n
Perimeter 113405524
Area 803800804607161
Diagonal 40094907.522207

Cube

Length = n
Surface area 4822804827642966
Volume 2.2788862859524E+22
Space diagonal 49106032.356743

Equilateral Triangle

Length = n
Perimeter 85054143
Area 3.4805595818609E+14
Altitude 24553016.178371

Triangular Pyramid

Length = n
Surface area 3.4805595818609E+14
Volume 2.6856932439166E+21
Height 13364969.174069