51689721 (number)

51689721 is an odd 8-digits composite number following 51689720 and preceding 51689722. In scientific notation, it is written as 5.1689721 × 10^7. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 34459812 positive integers (up to 51689721) that are relatively prime to 51689721.

Interesting facts

Basic properties

Name

Name fifty-one million six hundred eighty-nine thousand seven hundred twenty-one

Notation

Scientific notation 5.1689721 × 10^7
Engineering notation 5.1689721 × 10^6

Prime Factorization of 51689721

Prime Factorization 3 × 17229907

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 51689721
Product of the distinct prime numbers

The prime factorization of 51689721 is 3 × 17229907. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 51689721)

Multiplication

n×y
n×2 103379442
n×3 155069163
n×4 206758884
n×5 258448605

Division

n÷y
n÷2 25844860.5
n÷3 17229907
n÷3 12922430.25
n÷5 10337944.2

Exponentiation

ny
n2 2671827257057841
n3 1.3810600547752E+23
n4 7.1386608915572E+30
n5 3.689953897982E+38

Nth Root

y√n
2√n 7189.5563840894
3√n 372.50724968249
4√n 84.791251813435
5√n 34.888382701779

Divisors of 51689721

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 -51689720
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 51689721 can be divided by 4 positive divisors. The sum of these divisors (counting 51689721) is 1, the average is 0.25.

Base conversion 51689721

Base System Value
2 Binary 11000101001011100011111001
3 Ternary 10121021002222010
4 Quaternary 3011023203321
5 Quinary 101213032341
6 Senary 5043520133
8 Octal 305134371
10 Decimal 51689721
12 Duodecimal 15389049
16 Hexadecimal 314b8f9
20 Vigesimal g31461
36 Base36 urw1l

Cryptographic Hash Functions

md5 49d00416dee29ecfcca58d4fb7f572d6
sha1 535ce3ca9b8fb290dbebbeee94246367ce8b78a7
sha256 b4a2b4f67a716e4b8f5fa23117859f846e60ff82e612cbad1d443b40f19248e5
sha512 3f61f6eff2db170c17a697ed325571520461e06344501ee18b23c4b5f2aa8302d620b7f0e1ce4c2f50f7a84383989287ac0b307dac0ddf9579c8e51f38ca003f
ripemd-160 d0edbbd9e55c7da75f5c0b5414f535bdcd1dd938

51689721 as geometric shapes

Circle

Radius = n
Diameter 103379442
Circumference 324776095.51941
Area 8.3937928824339E+15

Sphere

Radius = n
Volume 5.7849708296639E+23
Surface area 3.3575171529736E+16
Circumference 324776095.51941

Square

Length = n
Perimeter 206758884
Area 2671827257057841
Diagonal 73100304.473481

Cube

Length = n
Surface area 16030963542347046
Volume 1.3810600547752E+23
Space diagonal 89529223.00106

Equilateral Triangle

Length = n
Perimeter 155069163
Area 1.1569351395679E+15
Altitude 44764611.50053

Triangular Pyramid

Length = n
Surface area 1.1569351395679E+15
Volume 1.6275948832623E+22
Height 24366768.157827