66921489 (number)

66921489 is an odd 8-digits composite number following 66921488 and preceding 66921490. In scientific notation, it is written as 6.6921489 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 43591200 positive integers (up to 66921489) that are relatively prime to 66921489.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred twenty-one thousand four hundred eighty-nine

Notation

Scientific notation 6.6921489 × 10^7
Engineering notation 6.6921489 × 10^6

Prime Factorization of 66921489

Prime Factorization 9 × 83 × 101 × 887

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66921489
Product of the distinct prime numbers

The prime factorization of 66921489 is 9 × 83 × 101 × 887. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 9, 57, 55, 733, 119, 9731, 8580, 41154, 74551, 668852, 386752, 4603714, 2361022, 7268248, 22406170, 291356548, 608733067, 4365994829, 5777566096

Basic calculations (n = 66921489)

Multiplication

n×y
n×2 133842978
n×3 200764467
n×4 267685956
n×5 334607445

Division

n÷y
n÷2 33460744.5
n÷3 22307163
n÷3 16730372.25
n÷5 13384297.8

Exponentiation

ny
n2 4478485689977121
n3 2.9970693083846E+23
n4 2.005683407533E+31
n5 1.342233200947E+39

Nth Root

y√n
2√n 8180.5555434824
3√n 405.99610316012
4√n 90.446423608025
5√n 36.737797762748

Divisors of 66921489

1, 9, 83, 101, 747, 887, 909, 7983, 8383, 73621, 75447, 89587, 662589, 806283, 7435721, 66921489

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66921488
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66921489 can be divided by 16 positive divisors. The sum of these divisors (counting 66921489) is 1, the average is 0.0625.

Base conversion 66921489

Base System Value
2 Binary 11111111010010010000010001
3 Ternary 11122220222000200
4 Quaternary 3333102100101
5 Quinary 114112441424
6 Senary 10350205413
8 Octal 377222021
10 Decimal 66921489
12 Duodecimal 1a4b3869
16 Hexadecimal 3fd2411
20 Vigesimal 10i53e9
36 Base36 13ucy9

Cryptographic Hash Functions

md5 b40fbdc51866fb23d0b41dcdc114849d
sha1 b35462dcfae55327d3f47e302176476974d5fa7d
sha256 b60285a80f92d2047a603a3b83cab949fff4ac6bfb1e3f26fec064049c33ceb2
sha512 aec67a6a5fddf25bd8d18cefa188ce9aa05e43f28da564ecbcc1f6f631b6cbf239f4d9114077b706c3651c8b0cfaaea096ad699a4ffbd1c6ca200cb026c6e39e
ripemd-160 8f87eeb6dcf4b5b2f105be96360c821075354f27

66921489 as geometric shapes

Circle

Radius = n
Diameter 133842978
Circumference 420480116.41938
Area 1.4069577742839E+16

Sphere

Radius = n
Volume 1.2554094562027E+24
Surface area 5.6278310971357E+16
Circumference 420480116.41938

Square

Length = n
Perimeter 267685956
Area 4478485689977121
Diagonal 94641277.358002

Cube

Length = n
Surface area 26870914139862726
Volume 2.9970693083846E+23
Space diagonal 115911419.06616

Equilateral Triangle

Length = n
Perimeter 200764467
Area 1.9392411890026E+15
Altitude 57955709.533081

Triangular Pyramid

Length = n
Surface area 1.9392411890026E+15
Volume 3.5320800527414E+22
Height 31547092.452667