66907428 (number)

66907428 is an even 8-digits composite number following 66907427 and preceding 66907429. In scientific notation, it is written as 6.6907428 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 19116384 positive integers (up to 66907428) that are relatively prime to 66907428.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred seven thousand four hundred twenty-eight

Notation

Scientific notation 6.6907428 × 10^7
Engineering notation 6.6907428 × 10^6

Prime Factorization of 66907428

Prime Factorization 2 × 2 × 21 × 796517

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 33453714
Product of the distinct prime numbers

The prime factorization of 66907428 is 2 × 2 × 21 × 796517. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 7, 13, 21, 756, 245, 4251, 1379, 18987, 12565, 478072, 715459, 4659395, 1276197, 24600343, 59997603, 497954990, 857302599, 7155081374, 2289592956

Basic calculations (n = 66907428)

Multiplication

n×y
n×2 133814856
n×3 200722284
n×4 267629712
n×5 334537140

Division

n÷y
n÷2 33453714
n÷3 22302476
n÷3 16726857
n÷5 13381485.6

Exponentiation

ny
n2 4476603921575184
n3 2.9951805456731E+23
n4 2.0039982670662E+31
n5 1.3408236976586E+39

Nth Root

y√n
2√n 8179.6960823737
3√n 405.96766629995
4√n 90.44167226657
5√n 36.736253823416

Divisors of 66907428

1, 2, 4, 21, 42, 84, 796517, 1593034, 3186068, 16726857, 33453714, 66907428

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 -66907427
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 66907428 can be divided by 12 positive divisors. The sum of these divisors (counting 66907428) is 1, the average is 0.083333333333333.

Base conversion 66907428

Base System Value
2 Binary 11111111001110110100100100
3 Ternary 11122220020201220
4 Quaternary 3333032310210
5 Quinary 114112014203
6 Senary 10350020340
8 Octal 377166444
10 Decimal 66907428
12 Duodecimal 1a4a76b0
16 Hexadecimal 3fced24
20 Vigesimal 10i38b8
36 Base36 13u23o

Cryptographic Hash Functions

md5 e354b8c778741664c1cb265c18b4650e
sha1 35c67d851f71635539fd12baf830ec5a0c57b0a3
sha256 d1117af5432bbeb817c507baf9521abb7d7e70d68d279f1b448b11d07b0f0963
sha512 1bd66d1769150730a09f1bb20d38eef42b23b9b57bbb75f17ad7fce0f3f6497c95b96e09691424febb81c827f5416d38895cb3488c041d76a6da9dd28f11b02b
ripemd-160 72f1eec8b13a1e3884344830dc2d852bf6c63f55

66907428 as geometric shapes

Circle

Radius = n
Diameter 133814856
Circumference 420391768.55078
Area 1.4063665993052E+16

Sphere

Radius = n
Volume 1.2546182931282E+24
Surface area 5.6254663972207E+16
Circumference 420391768.55078

Square

Length = n
Perimeter 267629712
Area 4476603921575184
Diagonal 94621392.101101

Cube

Length = n
Surface area 26859623529451104
Volume 2.9951805456731E+23
Space diagonal 115887064.69976

Equilateral Triangle

Length = n
Perimeter 200722284
Area 1.9384263593826E+15
Altitude 57943532.349878

Triangular Pyramid

Length = n
Surface area 1.9384263593826E+15
Volume 3.5298541245391E+22
Height 31540464.0337