66542904 (number)

66542904 is an even 8-digits composite number following 66542903 and preceding 66542905. In scientific notation, it is written as 6.6542904 × 10^7. The sum of its digits is 36. It has a total of 7 prime factors and 64 positive divisors. There are 21863520 positive integers (up to 66542904) that are relatively prime to 66542904.

Interesting facts

Basic properties

Name

Name sixty-six million five hundred forty-two thousand nine hundred four

Notation

Scientific notation 6.6542904 × 10^7
Engineering notation 6.6542904 × 10^6

Prime Factorization of 66542904

Prime Factorization 2 × 2 × 2 × 71 × 3 × 9 × 4339

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 16635726
Product of the distinct prime numbers

The prime factorization of 66542904 is 2 × 2 × 2 × 71 × 3 × 9 × 4339. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66542904)

Multiplication

n×y
n×2 133085808
n×3 199628712
n×4 266171616
n×5 332714520

Division

n÷y
n÷2 33271452
n÷3 22180968
n÷3 16635726
n÷5 13308580.8

Exponentiation

ny
n2 4427958072753216
n3 2.9464918895124E+23
n4 1.960681269406E+31
n5 1.3046942548468E+39

Nth Root

y√n
2√n 8157.3834040089
3√n 405.22906109468
4√n 90.318234061616
5√n 36.696137126232

Divisors of 66542904

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66542903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66542904 can be divided by 64 positive divisors. The sum of these divisors (counting 66542904) is 1, the average is 0.015625.

Base conversion 66542904

Base System Value
2 Binary 11111101110101110100111000
3 Ternary 11122012201201000
4 Quaternary 3331311310320
5 Quinary 114013333104
6 Senary 10334125000
8 Octal 375656470
10 Decimal 66542904
12 Duodecimal 1a350760
16 Hexadecimal 3f75d38
20 Vigesimal 10fhh54
36 Base36 13m8u0

Cryptographic Hash Functions

md5 1f6b00e8fc44f71f4ae1190e2200b90a
sha1 18b9d01ccc2f354e3c1014b5199553291e95fc5f
sha256 e067e5bdd021e240d4ef4535010797d65f106eda451ee0383427530407b41c4f
sha512 a979f6abfc8700c8153d17f64f84c1067ad2461e5ae2215e055eca7b98b110283cb3c61f7c2f170b2b156839dfd091e5b53cdba8a8431929c8570c7fe9078627
ripemd-160 2bcccfec56d9eecf403ca8892661d1a1ba3bffa7

66542904 as geometric shapes

Circle

Radius = n
Diameter 133085808
Circumference 418101396.70986
Area 1.3910840551765E+16

Sphere

Radius = n
Volume 1.2342236365272E+24
Surface area 5.564336220706E+16
Circumference 418101396.70986

Square

Length = n
Perimeter 266171616
Area 4427958072753216
Diagonal 94105877.316491

Cube

Length = n
Surface area 26567748436519296
Volume 2.9464918895124E+23
Space diagonal 115255690.61118

Equilateral Triangle

Length = n
Perimeter 199628712
Area 1.9173620889483E+15
Altitude 57627845.305589

Triangular Pyramid

Length = n
Surface area 1.9173620889483E+15
Volume 3.4724739929757E+22
Height 31368625.772164