64642785 (number)

64642785 is an odd 8-digits composite number following 64642784 and preceding 64642786. In scientific notation, it is written as 6.4642785 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 34476144 positive integers (up to 64642785) that are relatively prime to 64642785.

Interesting facts

Basic properties

Name

Name sixty-four million six hundred forty-two thousand seven hundred eighty-five

Notation

Scientific notation 6.4642785 × 10^7
Engineering notation 6.4642785 × 10^6

Prime Factorization of 64642785

Prime Factorization 3 × 5 × 4309519

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 64642785
Product of the distinct prime numbers

The prime factorization of 64642785 is 3 × 5 × 4309519. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 64642785)

Multiplication

n×y
n×2 129285570
n×3 193928355
n×4 258571140
n×5 323213925

Division

n÷y
n÷2 32321392.5
n÷3 21547595
n÷3 16160696.25
n÷5 12928557

Exponentiation

ny
n2 4178689652556225
n3 2.7012213679192E+23
n4 1.746144721238E+31
n5 1.1287565779388E+39

Nth Root

y√n
2√n 8040.0736936921
3√n 401.33467705634
4√n 89.666458019106
5√n 36.484131447978

Divisors of 64642785

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -64642784
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 64642785 can be divided by 8 positive divisors. The sum of these divisors (counting 64642785) is 1, the average is 0.125.

Base conversion 64642785

Base System Value
2 Binary 11110110100101111011100001
3 Ternary 11111122012020020
4 Quaternary 3312211323201
5 Quinary 113022032120
6 Senary 10225304053
8 Octal 366457341
10 Decimal 64642785
12 Duodecimal 19795029
16 Hexadecimal 3da5ee1
20 Vigesimal 10406j5
36 Base36 12hiox

Cryptographic Hash Functions

md5 5cf41f0b603eac0cb10723248d94ad90
sha1 48ecdbf531a1caf77261d8b0cc33e7214c3cdfb7
sha256 f1c5a7622a8d3f38c6eabd53ba007d8d0a23513464cd4f8e4a6bc2d14d35297e
sha512 50596d38b62485865014025edd97cc59e3236360a00a67327fe3d81d16dcac5a1a7d8e6553d3a771edec63171aa3766b8a26f3495b95b3556572af5379ed88bd
ripemd-160 384dc422267c95fd655f71e192ab18567db66e3a

64642785 as geometric shapes

Circle

Radius = n
Diameter 129285570
Circumference 406162596.92717
Area 1.3127740714102E+16

Sphere

Radius = n
Volume 1.13148496069E+24
Surface area 5.2510962856409E+16
Circumference 406162596.92717

Square

Length = n
Perimeter 258571140
Area 4178689652556225
Diagonal 91418703.256568

Cube

Length = n
Surface area 25072137915337350
Volume 2.7012213679192E+23
Space diagonal 111964587.96275

Equilateral Triangle

Length = n
Perimeter 193928355
Area 1.8094256968224E+15
Altitude 55982293.981376

Triangular Pyramid

Length = n
Surface area 1.8094256968224E+15
Volume 3.1834199112361E+22
Height 30472901.085523