66939969 (number)

66939969 is an odd 8-digits composite number following 66939968 and preceding 66939970. In scientific notation, it is written as 6.6939969 × 10^7. The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors. There are 44594640 positive integers (up to 66939969) that are relatively prime to 66939969.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6939969 × 10^7
Engineering notation 6.6939969 × 10^6

Prime Factorization of 66939969

Prime Factorization 3 × 1543 × 14461

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66939969
Product of the distinct prime numbers

The prime factorization of 66939969 is 3 × 1543 × 14461. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 78, 6, 834, 276, 4533, 4296, 71751, 56674, 779893, 259285, 8904078, 9997762, 68476928, 64541947, 690833627, 389709803, 8122679058, 4155320326

Basic calculations (n = 66939969)

Multiplication

n×y
n×2 133879938
n×3 200819907
n×4 267759876
n×5 334699845

Division

n÷y
n÷2 33469984.5
n÷3 22313323
n÷3 16734992.25
n÷5 13387993.8

Exponentiation

ny
n2 4480959449720961
n3 2.9995528665458E+23
n4 2.0078997590044E+31
n5 1.3440874762286E+39

Nth Root

y√n
2√n 8181.684973158
3√n 406.0334709154
4√n 90.452667031758
5√n 36.739826526703

Divisors of 66939969

1, 3, 1543, 4629, 14461, 43383, 22313323, 66939969

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 -66939968
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 66939969 can be divided by 8 positive divisors. The sum of these divisors (counting 66939969) is 1, the average is 0.125.

Base conversion 66939969

Base System Value
2 Binary 11111111010110110001000001
3 Ternary 11122221220101010
4 Quaternary 3333112301001
5 Quinary 114114034334
6 Senary 10350431133
8 Octal 377266101
10 Decimal 66939969
12 Duodecimal 1a5024a9
16 Hexadecimal 3fd6c41
20 Vigesimal 10i79i9
36 Base36 13ur7l

Cryptographic Hash Functions

md5 ed6ec0146b0d32a4248c4f209f9b6dd7
sha1 957c5ee15d27c215b8912cb8e3a101994d2532af
sha256 e61d2c8daa4edf150f1613fab247ffae1d0e631d5acb40c70ee40f0cd7495d4d
sha512 81e97707e35c7d132273ccfca4731037fa809817a72332b07d91bad67747d38fbd748d8981e2c80d3d70e5ce5289af896c3876314f0f3df909a2ba26779891ee
ripemd-160 5a7e8d385f8e2d37df8012b151af3bc7c9931927

66939969 as geometric shapes

Circle

Radius = n
Diameter 133879938
Circumference 420596229.68386
Area 1.4077349288277E+16

Sphere

Radius = n
Volume 1.2564497666126E+24
Surface area 5.6309397153109E+16
Circumference 420596229.68386

Square

Length = n
Perimeter 267759876
Area 4480959449720961
Diagonal 94667412.024635

Cube

Length = n
Surface area 26885756698325766
Volume 2.9995528665458E+23
Space diagonal 115943427.36509

Equilateral Triangle

Length = n
Perimeter 200819907
Area 1.9403123583931E+15
Altitude 57971713.682543

Triangular Pyramid

Length = n
Surface area 1.9403123583931E+15
Volume 3.5350069541034E+22
Height 31555804.008212