66951909 (number)

66951909 is an odd 8-digits composite number following 66951908 and preceding 66951910. In scientific notation, it is written as 6.6951909 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors. There are 43189200 positive integers (up to 66951909) that are relatively prime to 66951909.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred fifty-one thousand nine hundred nine

Notation

Scientific notation 6.6951909 × 10^7
Engineering notation 6.6951909 × 10^6

Prime Factorization of 66951909

Prime Factorization 9 × 31 × 31 × 7741

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2159739
Product of the distinct prime numbers

The prime factorization of 66951909 is 9 × 31 × 31 × 7741. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 2, 40, 50, 67, 964, 2623, 2951, 2593, 10391, 252368, 272553, 9762721, 9020436, 28008704, 53395166, 206918392, 227197692, 1912431189, 2773877069

Basic calculations (n = 66951909)

Multiplication

n×y
n×2 133903818
n×3 200855727
n×4 267807636
n×5 334759545

Division

n÷y
n÷2 33475954.5
n÷3 22317303
n÷3 16737977.25
n÷5 13390381.8

Exponentiation

ny
n2 4482558118744281
n3 3.0011582325338E+23
n4 2.009332728792E+31
n5 1.3452866200881E+39

Nth Root

y√n
2√n 8182.4146191696
3√n 406.05761071059
4√n 90.456700244756
5√n 36.741137080742

Divisors of 66951909

1, 9, 31, 279, 961, 7741, 8649, 69669, 239971, 2159739, 7439101, 66951909

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 -66951908
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 66951909 can be divided by 12 positive divisors. The sum of these divisors (counting 66951909) is 1, the average is 0.083333333333333.

Base conversion 66951909

Base System Value
2 Binary 11111111011001101011100101
3 Ternary 11122222111202100
4 Quaternary 3333121223211
5 Quinary 114114430114
6 Senary 10351002313
8 Octal 377315345
10 Decimal 66951909
12 Duodecimal 1a509399
16 Hexadecimal 3fd9ae5
20 Vigesimal 10i8jf9
36 Base36 13v0f9

Cryptographic Hash Functions

md5 95d0a5c2962e0700bb79494929382bef
sha1 112615a15de1c75bbdb3cfb87ca5839af1a85681
sha256 93e204332638e66c7ef8cad38744d9a954c56bc7118bc65731f69a0501ec8655
sha512 ce107ce18f86dd8d02c18994a574c6d706d3d925528c373bac241722ab4a4955cf70af79f5e79b37aebdce86a2292be1bbe38a003db20663d2bf286d21ffbe91
ripemd-160 28b92ef112e10730156f0fed724ebe8416249a96

66951909 as geometric shapes

Circle

Radius = n
Diameter 133903818
Circumference 420671250.91642
Area 1.4082371655136E+16

Sphere

Radius = n
Volume 1.2571222207452E+24
Surface area 5.6329486620545E+16
Circumference 420671250.91642

Square

Length = n
Perimeter 267807636
Area 4482558118744281
Diagonal 94684297.734569

Cube

Length = n
Surface area 26895348712465686
Volume 3.0011582325338E+23
Space diagonal 115964108.05173

Equilateral Triangle

Length = n
Perimeter 200855727
Area 1.9410046023864E+15
Altitude 57982054.025864

Triangular Pyramid

Length = n
Surface area 1.9410046023864E+15
Volume 3.5368988960641E+22
Height 31561432.57819