64742521 (number)

64742521 is an odd 8-digits composite number following 64742520 and preceding 64742522. In scientific notation, it is written as 6.4742521 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 63520912 positive integers (up to 64742521) that are relatively prime to 64742521.

Interesting facts

Basic properties

Name

Name sixty-four million seven hundred forty-two thousand five hundred twenty-one

Notation

Scientific notation 6.4742521 × 10^7
Engineering notation 6.4742521 × 10^6

Prime Factorization of 64742521

Prime Factorization 53 × 1221557

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 64742521
Product of the distinct prime numbers

The prime factorization of 64742521 is 53 × 1221557. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64742521)

Multiplication

n×y
n×2 129485042
n×3 194227563
n×4 258970084
n×5 323712605

Division

n÷y
n÷2 32371260.5
n÷3 21580840.333333
n÷3 16185630.25
n÷5 12948504.2

Exponentiation

ny
n2 4191594025435441
n3 2.7137436421523E+23
n4 1.7569460474066E+31
n5 1.1374911637009E+39

Nth Root

y√n
2√n 8046.2737338472
3√n 401.54097461971
4√n 89.701024151607
5√n 36.495382626995

Divisors of 64742521

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 -64742520
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 64742521 can be divided by 4 positive divisors. The sum of these divisors (counting 64742521) is 1, the average is 0.25.

Base conversion 64742521

Base System Value
2 Binary 11110110111110010001111001
3 Ternary 11111211021001011
4 Quaternary 3312332101321
5 Quinary 113033230041
6 Senary 10231353521
8 Octal 366762171
10 Decimal 64742521
12 Duodecimal 198228a1
16 Hexadecimal 3dbe479
20 Vigesimal 104cg61
36 Base36 12jnnd

Cryptographic Hash Functions

md5 1622d1ca634180c503f0595a56d797e3
sha1 370d890c8321217bfdf25be7278ae4b149c8a81b
sha256 d8cb74eb7fef4b6b53fc62fe364a92c94d9f62d501f9ef88e752f127458a2f60
sha512 b31f3965a7f2c134810a9a6b9ef525a59a293f05b3e72f3c666402b1d36a916481a1f632403b33c1b247916bba48e4b9fea96bb6c0f3d5d911305786b4d4fb22
ripemd-160 c716f6fc72290ae01a5ad759b917c18c0010df6d

64742521 as geometric shapes

Circle

Radius = n
Diameter 129485042
Circumference 406789256.69697
Area 1.3168280997139E+16

Sphere

Radius = n
Volume 1.1367302786549E+24
Surface area 5.2673123988555E+16
Circumference 406789256.69697

Square

Length = n
Perimeter 258970084
Area 4191594025435441
Diagonal 91559751.260425

Cube

Length = n
Surface area 25149564152612646
Volume 2.7137436421523E+23
Space diagonal 112137335.78209

Equilateral Triangle

Length = n
Perimeter 194227563
Area 1.8150134541891E+15
Altitude 56068667.891047

Triangular Pyramid

Length = n
Surface area 1.8150134541891E+15
Volume 3.1981775529463E+22
Height 30519917.086808