51381491 (number)

51381491 is an odd 8-digits composite number following 51381490 and preceding 51381492. In scientific notation, it is written as 5.1381491 × 10^7. The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors. There are 41721264 positive integers (up to 51381491) that are relatively prime to 51381491.

Interesting facts

Basic properties

Name

Name fifty-one million three hundred eighty-one thousand four hundred ninety-one

Notation

Scientific notation 5.1381491 × 10^7
Engineering notation 5.1381491 × 10^6

Prime Factorization of 51381491

Prime Factorization 7 × 19 × 19 × 20333

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2704289
Product of the distinct prime numbers

The prime factorization of 51381491 is 7 × 19 × 19 × 20333. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 8, 16, 32, 663, 38, 4242, 4461, 52194, 57901, 763424, 188366, 2604807, 9825516, 14003949, 89471832, 590328107, 372664387, 3994142967, 6893874158

Basic calculations (n = 51381491)

Multiplication

n×y
n×2 102762982
n×3 154144473
n×4 205525964
n×5 256907455

Division

n÷y
n÷2 25690745.5
n÷3 17127163.666667
n÷3 12845372.75
n÷5 10276298.2

Exponentiation

ny
n2 2640057617383081
n3 1.3565009670705E+23
n4 6.9699042231024E+30
n5 3.581240711102E+38

Nth Root

y√n
2√n 7168.0883783614
3√n 371.76534272135
4√n 84.664563888096
5√n 34.846674648054

Divisors of 51381491

1, 7, 19, 133, 361, 2527, 20333, 142331, 386327, 2704289, 7340213, 51381491

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -51381490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51381491 can be divided by 12 positive divisors. The sum of these divisors (counting 51381491) is 1, the average is 0.083333333333333.

Base conversion 51381491

Base System Value
2 Binary 11000100000000010011110011
3 Ternary 10120200110011012
4 Quaternary 3010000103303
5 Quinary 101123201431
6 Senary 5033141135
8 Octal 304002363
10 Decimal 51381491
12 Duodecimal 1525a7ab
16 Hexadecimal 31004f3
20 Vigesimal g12deb
36 Base36 ula7n

Cryptographic Hash Functions

md5 ed7e04515025e0bd46ab9e8305d7f817
sha1 5758630e255bb86ba5f476ee0a0f066e25112d46
sha256 23c11872b26b5e70f78499dd57e4ac45a0efc789409f78e15ebc5da3c0c63d6d
sha512 6fd6419b7a243829f30647b963c7931a2e6432110ab553a2491c49fd7908d861611fd807955ac6e514c8b744396a9a5a39820730d7c64736d60b210a586b6f20
ripemd-160 3580b3c3bd7ca78cb868c249dbc7f89d76c6a738

51381491 as geometric shapes

Circle

Radius = n
Diameter 102762982
Circumference 322839429.31218
Area 8.2939856158245E+15

Sphere

Radius = n
Volume 5.6820979636482E+23
Surface area 3.3175942463298E+16
Circumference 322839429.31218

Square

Length = n
Perimeter 205525964
Area 2640057617383081
Diagonal 72664401.427151

Cube

Length = n
Surface area 15840345704298486
Volume 1.3565009670705E+23
Space diagonal 88995352.980643

Equilateral Triangle

Length = n
Perimeter 154144473
Area 1.1431784820542E+15
Altitude 44497676.490321

Triangular Pyramid

Length = n
Surface area 1.1431784820542E+15
Volume 1.5986517208361E+22
Height 24221467.142384