65721641 (number)

65721641 is an odd 8-digits composite number following 65721640 and preceding 65721642. In scientific notation, it is written as 6.5721641 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 64929732 positive integers (up to 65721641) that are relatively prime to 65721641.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.5721641 × 10^7
Engineering notation 6.5721641 × 10^6

Prime Factorization of 65721641

Prime Factorization 83 × 791827

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 65721641
Product of the distinct prime numbers

The prime factorization of 65721641 is 83 × 791827. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 65721641)

Multiplication

n×y
n×2 131443282
n×3 197164923
n×4 262886564
n×5 328608205

Division

n÷y
n÷2 32860820.5
n÷3 21907213.666667
n÷3 16430410.25
n÷5 13144328.2

Exponentiation

ny
n2 4319334095732881
n3 2.8387372479882E+23
n4 1.8656647030561E+31
n5 1.2261454584062E+39

Nth Root

y√n
2√n 8106.8884906603
3√n 403.555062308
4√n 90.038261259646
5√n 36.605106922603

Divisors of 65721641

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 -65721640
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 65721641 can be divided by 4 positive divisors. The sum of these divisors (counting 65721641) is 1, the average is 0.25.

Base conversion 65721641

Base System Value
2 Binary 11111010101101010100101001
3 Ternary 11120200000010212
4 Quaternary 3322231110221
5 Quinary 113311043031
6 Senary 10304350505
8 Octal 372552451
10 Decimal 65721641
12 Duodecimal 1a015435
16 Hexadecimal 3ead529
20 Vigesimal 10af421
36 Base36 134n55

Cryptographic Hash Functions

md5 a8f5d2f8bcf817b5e9d5db7efb921b02
sha1 ee50b6fcfc2ac2f67aea9b06acf3bd6835e609c7
sha256 28a438f30ce1da8519a46586c410d270351d2b3bf71e793a88b05e0710afd14a
sha512 6ef83d4e667f205b58b85d9800a6860b384349f58fe9a5e5ea48be86cb14c4eedc281e7c8d65b86edf0fc3f0496d6bd238db0644b330434daafc8dc6343626b2
ripemd-160 a9b8f896fe866148955a2c4a53c85a2f859d8608

65721641 as geometric shapes

Circle

Radius = n
Diameter 131443282
Circumference 412941249.09493
Area 1.3569588263554E+16

Sphere

Radius = n
Volume 1.1890874778335E+24
Surface area 5.4278353054217E+16
Circumference 412941249.09493

Square

Length = n
Perimeter 262886564
Area 4319334095732881
Diagonal 92944436.043616

Cube

Length = n
Surface area 25916004574397286
Volume 2.8387372479882E+23
Space diagonal 113833221.3688

Equilateral Triangle

Length = n
Perimeter 197164923
Area 1.8703265271685E+15
Altitude 56916610.684401

Triangular Pyramid

Length = n
Surface area 1.8703265271685E+15
Volume 3.3454839300988E+22
Height 30981478.681205