51491491 (number)

51491491 is an odd 8-digits composite number following 51491490 and preceding 51491492. In scientific notation, it is written as 5.1491491 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 51018984 positive integers (up to 51491491) that are relatively prime to 51491491.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 5.1491491 × 10^7
Engineering notation 5.1491491 × 10^6

Prime Factorization of 51491491

Prime Factorization 109 × 472399

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 51491491
Product of the distinct prime numbers

The prime factorization of 51491491 is 109 × 472399. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 51491491)

Multiplication

n×y
n×2 102982982
n×3 154474473
n×4 205965964
n×5 257457455

Division

n÷y
n÷2 25745745.5
n÷3 17163830.333333
n÷3 12872872.75
n÷5 10298298.2

Exponentiation

ny
n2 2651373645403081
n3 1.3652318219991E+23
n4 7.029782207538E+30
n5 3.619739672714E+38

Nth Root

y√n
2√n 7175.7571725916
3√n 372.03045141326
4√n 84.709841061069
5√n 34.861582179473

Divisors of 51491491

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -51491490
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51491491 can be divided by 4 positive divisors. The sum of these divisors (counting 51491491) is 1, the average is 0.25.

Base conversion 51491491

Base System Value
2 Binary 11000100011011001010100011
3 Ternary 10120220001001021
4 Quaternary 3010123022203
5 Quinary 101140211431
6 Senary 5035350311
8 Octal 304331243
10 Decimal 51491491
12 Duodecimal 152b2397
16 Hexadecimal 311b2a3
20 Vigesimal g1g8eb
36 Base36 unn37

Cryptographic Hash Functions

md5 4ea0b6a9778b1272d2d52652ebb31fe3
sha1 17ffd7761d7222f66cef5afa340476fdcca4fd05
sha256 bc01482fd2af006194b8164c6023c2dbb582f1d83574a4427139e4c485e0cc7c
sha512 72c855ea28d912e928385b7e9dc4a008199a3bbd54d8bc9ec924834e70a2df3ec95ac1f2f09854092ebb0d069f1a368e8625f47c725d4d6ae2b5e3bfd6a1f57a
ripemd-160 226d1883146a036abfe5037b42a725ff9514cc9b

51491491 as geometric shapes

Circle

Radius = n
Diameter 102982982
Circumference 323530579.69597
Area 8.3295359663199E+15

Sphere

Radius = n
Volume 5.7186696832525E+23
Surface area 3.331814386528E+16
Circumference 323530579.69597

Square

Length = n
Perimeter 205965964
Area 2651373645403081
Diagonal 72819964.919012

Cube

Length = n
Surface area 15908241872418486
Volume 1.3652318219991E+23
Space diagonal 89185878.569476

Equilateral Triangle

Length = n
Perimeter 154474473
Area 1.1480784659218E+15
Altitude 44592939.284738

Triangular Pyramid

Length = n
Surface area 1.1480784659218E+15
Volume 1.6089411320454E+22
Height 24273321.639671