66996921 (number)

66996921 is an odd 8-digits composite number following 66996920 and preceding 66996922. In scientific notation, it is written as 6.6996921 × 10^7. The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors. There are 43223760 positive integers (up to 66996921) that are relatively prime to 66996921.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred ninety-six thousand nine hundred twenty-one

Notation

Scientific notation 6.6996921 × 10^7
Engineering notation 6.6996921 × 10^6

Prime Factorization of 66996921

Prime Factorization 3 × 31 × 720397

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66996921
Product of the distinct prime numbers

The prime factorization of 66996921 is 3 × 31 × 720397. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66996921)

Multiplication

n×y
n×2 133993842
n×3 200990763
n×4 267987684
n×5 334984605

Division

n÷y
n÷2 33498460.5
n÷3 22332307
n÷3 16749230.25
n÷5 13399384.2

Exponentiation

ny
n2 4488587423480241
n3 3.007215370125E+23
n4 2.0147417058225E+31
n5 1.349814909004E+39

Nth Root

y√n
2√n 8185.164689852
3√n 406.14858830418
4√n 90.471900001337
5√n 36.746075991451

Divisors of 66996921

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 -66996920
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 66996921 can be divided by 8 positive divisors. The sum of these divisors (counting 66996921) is 1, the average is 0.125.

Base conversion 66996921

Base System Value
2 Binary 11111111100100101010111001
3 Ternary 11200001210111110
4 Quaternary 3333210222321
5 Quinary 114122400141
6 Senary 10351550533
8 Octal 377445271
10 Decimal 66996921
12 Duodecimal 1a52b449
16 Hexadecimal 3fe4ab9
20 Vigesimal 10iec61
36 Base36 13vz5l

Cryptographic Hash Functions

md5 3d478165c109b66fa10f26c3b0ffd3bb
sha1 db8242eb185bc0093e76134d7457eca21de8a479
sha256 8f7333f9de28b42a4f4507a9966644c12a1c4209f1eeb945851110bf4acfc449
sha512 762fcea7b1c8cdf3a9a324a1bb600163e5daa1584e4de0498d35a20df9af7b270226eff71baaf830df8a38c3de6a26096e8762bbdfc360e9c5f88c99213487c0
ripemd-160 dd78a0a660410a7dc8227979d61d2ed7e68d1b5c

66996921 as geometric shapes

Circle

Radius = n
Diameter 133993842
Circumference 420954069.65347
Area 1.4101313274601E+16

Sphere

Radius = n
Volume 1.2596594286063E+24
Surface area 5.6405253098404E+16
Circumference 420954069.65347

Square

Length = n
Perimeter 267987684
Area 4488587423480241
Diagonal 94747954.315439

Cube

Length = n
Surface area 26931524540881446
Volume 3.007215370125E+23
Space diagonal 116042071.12268

Equilateral Triangle

Length = n
Perimeter 200990763
Area 1.9436153679206E+15
Altitude 58021035.561339

Triangular Pyramid

Length = n
Surface area 1.9436153679206E+15
Volume 3.544037301173E+22
Height 31582651.43848