251361242 (number)

251361242 is an even 9-digits composite number following 251361241 and preceding 251361243. In scientific notation, it is written as 2.51361242 × 10^8. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 111468000 positive integers (up to 251361242) that are relatively prime to 251361242.

Interesting facts

Basic properties

Name

Name two hundred fifty-one million three hundred sixty-one thousand two hundred forty-two

Notation

Scientific notation 2.51361242 × 10^8
Engineering notation 2.51361242 × 10^6

Prime Factorization of 251361242

Prime Factorization 2 × 451 × 278671

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 251361242
Product of the distinct prime numbers

The prime factorization of 251361242 is 2 × 451 × 278671. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 7, 40, 81, 391, 273, 9677, 5265, 18464, 54524, 989344, 932588, 3256593, 5862323, 94106060, 99132173, 460324785, 594387648, 9716513502, 823360336

Basic calculations (n = 251361242)

Multiplication

n×y
n×2 502722484
n×3 754083726
n×4 1005444968
n×5 1256806210

Division

n÷y
n÷2 125680621
n÷3 83787080.666667
n÷3 62840310.5
n÷5 50272248.4

Exponentiation

ny
n2 63182473979782564
n3 1.5881625132191E+25
n4 3.9920250182059E+33
n5 1.0034403666713E+42

Nth Root

y√n
2√n 15854.37611513
3√n 631.10182762809
4√n 125.91416169411
5√n 47.869585031681

Divisors of 251361242

1, 2, 451, 902, 278671, 557342, 125680621, 251361242

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -251361241
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 251361242 can be divided by 8 positive divisors. The sum of these divisors (counting 251361242) is 1, the average is 0.125.

Base conversion 251361242

Base System Value
2 Binary 1110111110110111011111011010
3 Ternary 122111222110210122
4 Quaternary 32332313133122
5 Quinary 1003322024432
6 Senary 40535313242
8 Octal 1676673732
10 Decimal 251361242
12 Duodecimal 7021b822
16 Hexadecimal efb77da
20 Vigesimal 3ib0322
36 Base36 45njkq

Cryptographic Hash Functions

md5 a73d2b5c514370ea1225b1952ccf5792
sha1 320883e1bd185feb8d8929f58fa0553d94bd8704
sha256 15c8f3206ad8bb15ae4ee65357ea85c0094dbaeac634d4ebd2a906c47873e195
sha512 6e68b5eabb328053bf5e14f14c08582f56703a9e8f37f3db3e440a72fedca43f9a47b3dbf5f177113b1f601919770290827621743bc35c3dc9105868cf63c9d6
ripemd-160 4592e526722f3c35077e7c61aec895ed912bafd9

251361242 as geometric shapes

Circle

Radius = n
Diameter 502722484
Circumference 1579349262.5288
Area 1.9849359609051E+17

Sphere

Radius = n
Volume 6.652479578981E+25
Surface area 7.9397438436205E+17
Circumference 1579349262.5288

Square

Length = n
Perimeter 1005444968
Area 63182473979782564
Diagonal 355478477.49135

Cube

Length = n
Surface area 379094843878695384
Volume 1.5881625132191E+25
Space diagonal 435370442.19762

Equilateral Triangle

Length = n
Perimeter 754083726
Area 2.735881377022E+16
Altitude 217685221.09881

Triangular Pyramid

Length = n
Surface area 2.735881377022E+16
Volume 1.8716674712058E+24
Height 118492825.83045