51887981 (number)

51887981 is an odd 8-digits prime number following 51887980 and preceding 51887982. In scientific notation, it is written as 5.1887981 × 10^7. The sum of its digits is 47. It has a total of 1 prime factors and 2 positive divisors. There are 51887980 positive integers (up to 51887981) that are relatively prime to 51887981.

Interesting facts

Basic properties

Name

Name fifty-one million eight hundred eighty-seven thousand nine hundred eighty-one

Notation

Scientific notation 5.1887981 × 10^7
Engineering notation 5.1887981 × 10^6

Prime Factorization of 51887981

Prime Factorization 51887981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 51887981
Product of the distinct prime numbers

The prime factorization of 51887981 is 51887981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

8, 1, 38, 69, 175, 102, 3030, 3521, 62467, 85498, 117021, 364948, 8836320, 4625698, 68233888, 47555696, 503261214, 900114424, 2368757463, 4683119132

Basic calculations (n = 51887981)

Multiplication

n×y
n×2 103775962
n×3 155663943
n×4 207551924
n×5 259439905

Division

n÷y
n÷2 25943990.5
n÷3 17295993.666667
n÷3 12971995.25
n÷5 10377596.2

Exponentiation

ny
n2 2692362572256361
n3 1.3970125799435E+23
n4 7.2488162204869E+30
n5 3.7612643832112E+38

Nth Root

y√n
2√n 7203.3312432513
3√n 372.98290237331
4√n 84.872441011504
5√n 34.915105163202

Divisors of 51887981

1, 51887981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 51887982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 25943991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 7203.3313126636
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999614554
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51887981 can be divided by 2 positive divisors. The sum of these divisors (counting 51887981) is 51887982, the average is 25943991.

Base conversion 51887981

Base System Value
2 Binary 11000101111011111101101101
3 Ternary 10121122011221002
4 Quaternary 3011323331231
5 Quinary 101240403411
6 Senary 5052050045
8 Octal 305737555
10 Decimal 51887981
12 Duodecimal 15463925
16 Hexadecimal 317bf6d
20 Vigesimal g45jj1
36 Base36 uw50t

Cryptographic Hash Functions

md5 aa070292772e977146c3ff6706f97e40
sha1 b2e1c7dee36c9c87b1c3a55d3bdcc46cae2b4abf
sha256 5c9946d36a8714d62bc5dc5149cde7487a61a127c94731413c7d17a3d6821115
sha512 4fc2468dbf852410d690d7459993bafeb302492d1dbc166e877c6fa942b902440030db2fa61a6a42eddb009faea41ad8758cc87a5ead908c776f963fc263ded5
ripemd-160 50e0361e10ebc79ba4ff014ed66740ce3395fcad

51887981 as geometric shapes

Circle

Radius = n
Diameter 103775962
Circumference 326021799.83841
Area 8.4583064778007E+15

Sphere

Radius = n
Volume 5.8517926108307E+23
Surface area 3.3833225911203E+16
Circumference 326021799.83841

Square

Length = n
Perimeter 207551924
Area 2692362572256361
Diagonal 73380686.454357

Cube

Length = n
Surface area 16154175433538166
Volume 1.3970125799435E+23
Space diagonal 89872619.394169

Equilateral Triangle

Length = n
Perimeter 155663943
Area 1.1658271918862E+15
Altitude 44936309.697084

Triangular Pyramid

Length = n
Surface area 1.1658271918862E+15
Volume 1.6463951144683E+22
Height 24460228.818119