66409938 (number)

66409938 is an even 8-digits composite number following 66409937 and preceding 66409939. In scientific notation, it is written as 6.6409938 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 18974232 positive integers (up to 66409938) that are relatively prime to 66409938.

Interesting facts

Basic properties

Name

Name sixty-six million four hundred nine thousand nine hundred thirty-eight

Notation

Scientific notation 6.6409938 × 10^7
Engineering notation 6.6409938 × 10^6

Prime Factorization of 66409938

Prime Factorization 2 × 7 × 9 × 527063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66409938
Product of the distinct prime numbers

The prime factorization of 66409938 is 2 × 7 × 9 × 527063. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66409938)

Multiplication

n×y
n×2 132819876
n×3 199229814
n×4 265639752
n×5 332049690

Division

n÷y
n÷2 33204969
n÷3 22136646
n÷3 16602484.5
n÷5 13281987.6

Exponentiation

ny
n2 4410279865163844
n3 2.9288641240818E+23
n4 1.945056848907E+31
n5 1.2917110474239E+39

Nth Root

y√n
2√n 8149.2292887119
3√n 404.95897160966
4√n 90.273081750386
5√n 36.681460149681

Divisors of 66409938

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 -66409937
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 66409938 can be divided by 16 positive divisors. The sum of these divisors (counting 66409938) is 1, the average is 0.0625.

Base conversion 66409938

Base System Value
2 Binary 11111101010101010111010010
3 Ternary 11121221222022100
4 Quaternary 3331111113102
5 Quinary 114000104223
6 Senary 10331221230
8 Octal 375252722
10 Decimal 66409938
12 Duodecimal 1a2a7816
16 Hexadecimal 3f555d2
20 Vigesimal 10f14gi
36 Base36 13je8i

Cryptographic Hash Functions

md5 3bacd94d27d832a3d2d17347259900f6
sha1 c2502068f9982a31b00bbe902c26218afceb1fd5
sha256 5b435d12ebc883e432edeb4cd1bfdc840ac7db108dd22e2ee9e461a137fe6933
sha512 2b686430dee66660b4afc15e95bb440dad635b8c73527ebf643098710fc91a21973d47f6ea82e74c52f604163345f0bc0e7f81c50b0bf5fa448d10b65b5611e6
ripemd-160 4e153c416aef7b01d3752f971e715cec9d6873ce

66409938 as geometric shapes

Circle

Radius = n
Diameter 132819876
Circumference 417265946.69231
Area 1.3855302824674E+16

Sphere

Radius = n
Volume 1.2268397354104E+24
Surface area 5.5421211298695E+16
Circumference 417265946.69231

Square

Length = n
Perimeter 265639752
Area 4410279865163844
Diagonal 93917834.995956

Cube

Length = n
Surface area 26461679190983064
Volume 2.9288641240818E+23
Space diagonal 115025386.7435

Equilateral Triangle

Length = n
Perimeter 199229814
Area 1.9097072005154E+15
Altitude 57512693.37175

Triangular Pyramid

Length = n
Surface area 1.9097072005154E+15
Volume 3.4516994721871E+22
Height 31305944.998652