65156721 (number)

65156721 is an odd 8-digits composite number following 65156720 and preceding 65156722. In scientific notation, it is written as 6.5156721 × 10^7. The sum of its digits is 33. It has a total of 4 prime factors and 12 positive divisors. There are 37232328 positive integers (up to 65156721) that are relatively prime to 65156721.

Interesting facts

Basic properties

Name

Name sixty-five million one hundred fifty-six thousand seven hundred twenty-one

Notation

Scientific notation 6.5156721 × 10^7
Engineering notation 6.5156721 × 10^6

Prime Factorization of 65156721

Prime Factorization 3 × 7 × 7 × 443243

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9308103
Product of the distinct prime numbers

The prime factorization of 65156721 is 3 × 7 × 7 × 443243. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 4, 100, 47, 697, 608, 7017, 9029, 39882, 80066, 767955, 662742, 1331662, 9045449, 68010974, 41082699, 590998355, 995810273, 814202043, 7899159436

Basic calculations (n = 65156721)

Multiplication

n×y
n×2 130313442
n×3 195470163
n×4 260626884
n×5 325783605

Division

n÷y
n÷2 32578360.5
n÷3 21718907
n÷3 16289180.25
n÷5 13031344.2

Exponentiation

ny
n2 4245398291471841
n3 2.7661623201131E+23
n4 1.8023406653232E+31
n5 1.1743460787742E+39

Nth Root

y√n
2√n 8071.9713205635
3√n 402.39546119393
4√n 89.844150174419
5√n 36.541960521513

Divisors of 65156721

1, 3, 7, 21, 49, 147, 443243, 1329729, 3102701, 9308103, 21718907, 65156721

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 -65156720
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 65156721 can be divided by 12 positive divisors. The sum of these divisors (counting 65156721) is 1, the average is 0.083333333333333.

Base conversion 65156721

Base System Value
2 Binary 11111000100011011001110001
3 Ternary 11112121022012220
4 Quaternary 3320203121301
5 Quinary 113140003341
6 Senary 10244311253
8 Octal 370433161
10 Decimal 65156721
12 Duodecimal 199a2529
16 Hexadecimal 3e23671
20 Vigesimal 1074bg1
36 Base36 12sj8x

Cryptographic Hash Functions

md5 6506e860834bd2d74b6855139acfda47
sha1 069616fc6eeae294c98da36c8e8581a5e79238df
sha256 49d691463f4cf67e526c448d7a17252e3641e2143da89bc1dcfcf5062d42917a
sha512 1a2cfbfadad8bd4894d71b28a06705a09acb4edf14abf1251d78b552ab453ada44d2083a60ef1487d6f9375b292137e5deaeb65ec65beeee2fbadcde9e45e74e
ripemd-160 dccf2844845632cb40230902853bb1b48bbc0715

65156721 as geometric shapes

Circle

Radius = n
Diameter 130313442
Circumference 409391752.0512
Area 1.3337312084051E+16

Sphere

Radius = n
Volume 1.1586873631339E+24
Surface area 5.3349248336202E+16
Circumference 409391752.0512

Square

Length = n
Perimeter 260626884
Area 4245398291471841
Diagonal 92145518.51796

Cube

Length = n
Surface area 25472389748831046
Volume 2.7661623201131E+23
Space diagonal 112854751.22659

Equilateral Triangle

Length = n
Perimeter 195470163
Area 1.8383113847988E+15
Altitude 56427375.613295

Triangular Pyramid

Length = n
Surface area 1.8383113847988E+15
Volume 3.2599535573578E+22
Height 30715172.83932