66721838 (number)

66721838 is an even 8-digits composite number following 66721837 and preceding 66721839. In scientific notation, it is written as 6.6721838 × 10^7. The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors. There are 31073280 positive integers (up to 66721838) that are relatively prime to 66721838.

Interesting facts

Basic properties

Name

Name sixty-six million seven hundred twenty-one thousand eight hundred thirty-eight

Notation

Scientific notation 6.6721838 × 10^7
Engineering notation 6.6721838 × 10^6

Prime Factorization of 66721838

Prime Factorization 2 × 17 × 97 × 20231

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66721838
Product of the distinct prime numbers

The prime factorization of 66721838 is 2 × 17 × 97 × 20231. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 3, 44, 9, 257, 207, 396, 3228, 99506, 7840, 118947, 473034, 7597978, 8812436, 67037809, 12929300, 767484432, 390682271, 5158511583, 7604105753

Basic calculations (n = 66721838)

Multiplication

n×y
n×2 133443676
n×3 200165514
n×4 266887352
n×5 333609190

Division

n÷y
n÷2 33360919
n÷3 22240612.666667
n÷3 16680459.5
n÷5 13344367.6

Exponentiation

ny
n2 4451803666098244
n3 2.9703252301721E+23
n4 1.9818555881486E+31
n5 1.3223304749184E+39

Nth Root

y√n
2√n 8168.3436509491
3√n 405.59195659452
4√n 90.378889409801
5√n 36.715851130233

Divisors of 66721838

1, 2, 17, 34, 97, 194, 1649, 3298, 20231, 40462, 343927, 687854, 1962407, 3924814, 33360919, 66721838

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 -66721837
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 66721838 can be divided by 16 positive divisors. The sum of these divisors (counting 66721838) is 1, the average is 0.0625.

Base conversion 66721838

Base System Value
2 Binary 11111110100001100000101110
3 Ternary 11122112211011012
4 Quaternary 3332201200232
5 Quinary 114040044323
6 Senary 10342025222
8 Octal 376414056
10 Decimal 66721838
12 Duodecimal 1a418212
16 Hexadecimal 3fa182e
20 Vigesimal 10h04bi
36 Base36 13q2we

Cryptographic Hash Functions

md5 6e54b1b70014ca9aa5dd265cf483826f
sha1 f54e9f1442b53a04187c1f3baabd3fbc9496b468
sha256 44e0f7fa0db6d9a7c5929dc68d9a0500c0d2f43ee9965d7474ba265be89c57f6
sha512 ef9ae4526db589e68065e7f1de4c09cbf35cfe4ec2000648c8b4461e04ccc005181ace932c55cf5bc3010a26a650a820033cbb43d152ec48363d5b22e400ec77
ripemd-160 fe18d485bfc488b0bea94b355dfdb9ff54252df5

66721838 as geometric shapes

Circle

Radius = n
Diameter 133443676
Circumference 419225672.18962
Area 1.3985753692638E+16

Sphere

Radius = n
Volume 1.2442069229175E+24
Surface area 5.5943014770553E+16
Circumference 419225672.18962

Square

Length = n
Perimeter 266887352
Area 4451803666098244
Diagonal 94358928.206061

Cube

Length = n
Surface area 26710821996589464
Volume 2.9703252301721E+23
Space diagonal 115565613.39038

Equilateral Triangle

Length = n
Perimeter 200165514
Area 1.9276875337509E+15
Altitude 57782806.69519

Triangular Pyramid

Length = n
Surface area 1.9276875337509E+15
Volume 3.500561854307E+22
Height 31452976.068687