66908521 (number)

66908521 is an odd 8-digits composite number following 66908520 and preceding 66908522. In scientific notation, it is written as 6.6908521 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 65811600 positive integers (up to 66908521) that are relatively prime to 66908521.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred eight thousand five hundred twenty-one

Notation

Scientific notation 6.6908521 × 10^7
Engineering notation 6.6908521 × 10^6

Prime Factorization of 66908521

Prime Factorization 61 × 1096861

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66908521
Product of the distinct prime numbers

The prime factorization of 66908521 is 61 × 1096861. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66908521)

Multiplication

n×y
n×2 133817042
n×3 200725563
n×4 267634084
n×5 334542605

Division

n÷y
n÷2 33454260.5
n÷3 22302840.333333
n÷3 16727130.25
n÷5 13381704.2

Exponentiation

ny
n2 4476750182407441
n3 2.9953273359136E+23
n4 2.0041292195685E+31
n5 1.3409332197421E+39

Nth Root

y√n
2√n 8179.7628938741
3√n 405.96987691769
4√n 90.442041628184
5√n 36.736373847349

Divisors of 66908521

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 -66908520
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 66908521 can be divided by 4 positive divisors. The sum of these divisors (counting 66908521) is 1, the average is 0.25.

Base conversion 66908521

Base System Value
2 Binary 11111111001111000101101001
3 Ternary 11122220022020101
4 Quaternary 3333033011221
5 Quinary 114112033041
6 Senary 10350025401
8 Octal 377170551
10 Decimal 66908521
12 Duodecimal 1a4a8261
16 Hexadecimal 3fcf169
20 Vigesimal 10i3b61
36 Base36 13u2y1

Cryptographic Hash Functions

md5 212f4d282ae8b76b3bee00c2025dacd9
sha1 1f75f333139b0163598128a25a704f399c021a27
sha256 7ebba365b0e8d30525e05cefb10c28a60404c8153036c6ec62b4a0481a2c8946
sha512 7aa24015a290969361d5c33b69928b167fe94dce220194c6c7ce31ac315afede32a6f2e8adeb556b7ea04ee1303c0102a0046294a42f5b692ab51106e2714391
ripemd-160 7814247c24dc7ee20320dbf96479a7c0bfa3964a

66908521 as geometric shapes

Circle

Radius = n
Diameter 133817042
Circumference 420398636.07232
Area 1.4064125485008E+16

Sphere

Radius = n
Volume 1.2546797804804E+24
Surface area 5.6256501940032E+16
Circumference 420398636.07232

Square

Length = n
Perimeter 267634084
Area 4476750182407441
Diagonal 94622937.836525

Cube

Length = n
Surface area 26860501094444646
Volume 2.9953273359136E+23
Space diagonal 115888957.83129

Equilateral Triangle

Length = n
Perimeter 200725563
Area 1.9384896921807E+15
Altitude 57944478.915645

Triangular Pyramid

Length = n
Surface area 1.9384896921807E+15
Volume 3.5300271184966E+22
Height 31540979.278842