251011242 (number)

251011242 is an even 9-digits composite number following 251011241 and preceding 251011243. In scientific notation, it is written as 2.51011242 × 10^8. The sum of its digits is 18. It has a total of 5 prime factors and 24 positive divisors. There are 79264656 positive integers (up to 251011242) that are relatively prime to 251011242.

Interesting facts

Basic properties

Name

Name two hundred fifty-one million eleven thousand two hundred forty-two

Notation

Scientific notation 2.51011242 × 10^8
Engineering notation 2.51011242 × 10^6

Prime Factorization of 251011242

Prime Factorization 2 × 9 × 19 × 19 × 38629

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 13211118
Product of the distinct prime numbers

The prime factorization of 251011242 is 2 × 9 × 19 × 19 × 38629. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 3, 23, 23, 425, 935, 4016, 405, 53399, 89221, 171713, 553235, 165544, 3161406, 43346582, 81073693, 70970649, 938807579, 4993332736, 5889158263

Basic calculations (n = 251011242)

Multiplication

n×y
n×2 502022484
n×3 753033726
n×4 1004044968
n×5 1255056210

Division

n÷y
n÷2 125505621
n÷3 83670414
n÷3 62752810.5
n÷5 50202248.4

Exponentiation

ny
n2 63006643610382564
n3 1.5815375866893E+25
n4 3.9698371390458E+33
n5 9.964737508096E+41

Nth Root

y√n
2√n 15843.334308156
3√n 630.80877231716
4√n 125.8703074921
5√n 47.856246703099

Divisors of 251011242

1, 2, 9, 18, 19, 38, 171, 342, 361, 722, 3249, 6498, 38629, 77258, 347661, 695322, 733951, 1467902, 6605559, 13211118, 13945069, 27890138, 125505621, 251011242

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -251011241
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 251011242 can be divided by 24 positive divisors. The sum of these divisors (counting 251011242) is 1, the average is 0.041666666666667.

Base conversion 251011242

Base System Value
2 Binary 1110111101100010000010101010
3 Ternary 122111022200200200
4 Quaternary 32331202002222
5 Quinary 1003224324432
6 Senary 40524013030
8 Octal 1675420252
10 Decimal 251011242
12 Duodecimal 70091176
16 Hexadecimal ef620aa
20 Vigesimal 3i8g822
36 Base36 45g1ii

Cryptographic Hash Functions

md5 20c348bb12ae25f053304952d4859dcb
sha1 bb30e9c9a9524069f3ba082e51b2a3c45e51e480
sha256 384e8e80dbb09355eb17b8770ef58de018a5c0665164b377fc0f6a70bc1ab344
sha512 952a2039626f34b539d762b68704fc65739a14778083d4d5ee48bec4a5afc96518826ff67e70a1e7abac3abbb499fb187242450948aa1adef599a8d2765984d6
ripemd-160 cb4cacc580005e9233682d2dfeec2da6cd648db4

251011242 as geometric shapes

Circle

Radius = n
Diameter 502022484
Circumference 1577150147.6713
Area 1.9794120869373E+17

Sphere

Radius = n
Volume 6.6247291516259E+25
Surface area 7.9176483477491E+17
Circumference 1577150147.6713

Square

Length = n
Perimeter 1004044968
Area 63006643610382564
Diagonal 354983502.74452

Cube

Length = n
Surface area 378039861662295384
Volume 1.5815375866893E+25
Space diagonal 434764224.41497

Equilateral Triangle

Length = n
Perimeter 753033726
Area 2.7282676986892E+16
Altitude 217382112.20748

Triangular Pyramid

Length = n
Surface area 2.7282676986892E+16
Volume 1.8638599204157E+24
Height 118327834.24817