251361243 (number)

251361243 is an odd 9-digits composite number following 251361242 and preceding 251361244. In scientific notation, it is written as 2.51361243 × 10^8. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 143414064 positive integers (up to 251361243) that are relatively prime to 251361243.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.51361243 × 10^8
Engineering notation 2.51361243 × 10^6

Prime Factorization of 251361243

Prime Factorization 9 × 7 × 739 × 5399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 251361243
Product of the distinct prime numbers

The prime factorization of 251361243 is 9 × 7 × 739 × 5399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 31, 98, 636, 951, 9251, 5537, 59513, 21490, 231396, 920849, 3416347, 2628605, 81013278, 86841658, 284995336, 848231694, 788757909, 9636146284

Basic calculations (n = 251361243)

Multiplication

n×y
n×2 502722486
n×3 754083729
n×4 1005444972
n×5 1256806215

Division

n÷y
n÷2 125680621.5
n÷3 83787081
n÷3 62840310.75
n÷5 50272248.6

Exponentiation

ny
n2 63182474482505049
n3 1.5881625321738E+25
n4 3.9920250817324E+33
n5 1.0034403866314E+42

Nth Root

y√n
2√n 15854.376146667
3√n 631.101828465
4√n 125.91416181934
5√n 47.869585069769

Divisors of 251361243

1, 7, 9, 63, 739, 5173, 5399, 6651, 37793, 46557, 48591, 340137, 3989861, 27929027, 35908749, 251361243

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -251361242
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 251361243 can be divided by 16 positive divisors. The sum of these divisors (counting 251361243) is 1, the average is 0.0625.

Base conversion 251361243

Base System Value
2 Binary 1110111110110111011111011011
3 Ternary 122111222110210200
4 Quaternary 32332313133123
5 Quinary 1003322024433
6 Senary 40535313243
8 Octal 1676673733
10 Decimal 251361243
12 Duodecimal 7021b823
16 Hexadecimal efb77db
20 Vigesimal 3ib0323
36 Base36 45njkr

Cryptographic Hash Functions

md5 2aadf586e5eb37cebc9339c54275bd67
sha1 fb426979f95fd39b8c7f015062d850063475b82a
sha256 a84f1a796a83ee1d7610ed87dd1f6d83b69fd5587804a6860f5fe8b6a573d78f
sha512 fd937e5b0844b485e582ca0886dfb41debd7e8b9f377ce8f935252d3f47478a2f7a9861ff63d6b5b8e90059f0d2daffa75a9e112360c033ca299b8cd4a5d9441
ripemd-160 cab2c3fc32ee619f0adc10d240aa9e6de3b48ae1

251361243 as geometric shapes

Circle

Radius = n
Diameter 502722486
Circumference 1579349268.812
Area 1.9849359766986E+17

Sphere

Radius = n
Volume 6.6524796583785E+25
Surface area 7.9397439067945E+17
Circumference 1579349268.812

Square

Length = n
Perimeter 1005444972
Area 63182474482505049
Diagonal 355478478.90556

Cube

Length = n
Surface area 379094846895030294
Volume 1.5881625321738E+25
Space diagonal 435370443.92967

Equilateral Triangle

Length = n
Perimeter 754083729
Area 2.7358813987906E+16
Altitude 217685221.96483

Triangular Pyramid

Length = n
Surface area 2.7358813987906E+16
Volume 1.8716674935442E+24
Height 118492826.30185