64686988 (number)

64686988 is an even 8-digits composite number following 64686987 and preceding 64686989. In scientific notation, it is written as 6.4686988 × 10^7. The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors. There are 32327280 positive integers (up to 64686988) that are relatively prime to 64686988.

Interesting facts

Basic properties

Name

Name sixty-four million six hundred eighty-six thousand nine hundred eighty-eight

Notation

Scientific notation 6.4686988 × 10^7
Engineering notation 6.4686988 × 10^6

Prime Factorization of 64686988

Prime Factorization 2 × 2 × 3541 × 4567

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 32343494
Product of the distinct prime numbers

The prime factorization of 64686988 is 2 × 2 × 3541 × 4567. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 4, 33, 90, 456, 185, 7639, 1958, 38084, 4563, 722572, 930176, 4949476, 2039115, 571200, 20138325, 345366824, 263848662, 1104698779, 1478102281

Basic calculations (n = 64686988)

Multiplication

n×y
n×2 129373976
n×3 194060964
n×4 258747952
n×5 323434940

Division

n÷y
n÷2 32343494
n÷3 21562329.333333
n÷3 16171747
n÷5 12937397.6

Exponentiation

ny
n2 4184406416512144
n3 2.7067664765204E+23
n4 1.7509257058548E+31
n5 1.1326211012352E+39

Nth Root

y√n
2√n 8042.8221415123
3√n 401.4261343095
4√n 89.681782662435
5√n 36.489119683348

Divisors of 64686988

1, 2, 4, 3541, 4567, 7082, 9134, 14164, 18268, 16171747, 32343494, 64686988

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 -64686987
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 64686988 can be divided by 12 positive divisors. The sum of these divisors (counting 64686988) is 1, the average is 0.083333333333333.

Base conversion 64686988

Base System Value
2 Binary 11110110110000101110001100
3 Ternary 11111201102212101
4 Quaternary 3312300232030
5 Quinary 113024440423
6 Senary 10230244444
8 Octal 366605614
10 Decimal 64686988
12 Duodecimal 197b6724
16 Hexadecimal 3db0b8c
20 Vigesimal 1045h98
36 Base36 12igss

Cryptographic Hash Functions

md5 dac6b730497b4feb8adb9b0b2e012b76
sha1 650428d7632b21765dfe58c1ba0c5bbbd8081835
sha256 c1209a80b6d795481723bccf553a5befc35353168efd8f1a6438e3a0faf0c6d7
sha512 9ee4379dfd3f0b19eb4cf908cb378ee3216c23d85ff6ecced70d66c94b2c46ce0575591ad49d4eac87d22ad87d6ff8cd59791e26d3e726ead843a49350e2568f
ripemd-160 4be25583f660d10a39c0cebc4ee63900e2facc57

64686988 as geometric shapes

Circle

Radius = n
Diameter 129373976
Circumference 406440332.5673
Area 1.3145700457749E+16

Sphere

Radius = n
Volume 1.1338076903493E+24
Surface area 5.2582801830994E+16
Circumference 406440332.5673

Square

Length = n
Perimeter 258747952
Area 4184406416512144
Diagonal 91481215.738666

Cube

Length = n
Surface area 25106438499072864
Volume 2.7067664765204E+23
Space diagonal 112041149.8046

Equilateral Triangle

Length = n
Perimeter 194060964
Area 1.8119011282291E+15
Altitude 56020574.902299

Triangular Pyramid

Length = n
Surface area 1.8119011282291E+15
Volume 3.1899548843934E+22
Height 30493738.579555