66831491 (number)

66831491 is an odd 8-digits composite number following 66831490 and preceding 66831492. In scientific notation, it is written as 6.6831491 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 63812232 positive integers (up to 66831491) that are relatively prime to 66831491.

Interesting facts

Basic properties

Name

Name sixty-six million eight hundred thirty-one thousand four hundred ninety-one

Notation

Scientific notation 6.6831491 × 10^7
Engineering notation 6.6831491 × 10^6

Prime Factorization of 66831491

Prime Factorization 23 × 643 × 4519

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66831491
Product of the distinct prime numbers

The prime factorization of 66831491 is 23 × 643 × 4519. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 1, 51, 7, 861, 205, 842, 9795, 80259, 94152, 738737, 978952, 9070223, 8065769, 97777411, 48611708, 82833071, 16711986, 1601411058, 5146097428

Basic calculations (n = 66831491)

Multiplication

n×y
n×2 133662982
n×3 200494473
n×4 267325964
n×5 334157455

Division

n÷y
n÷2 33415745.5
n÷3 22277163.666667
n÷3 16707872.75
n÷5 13366298.2

Exponentiation

ny
n2 4466448189283081
n3 2.9849939196404E+23
n4 1.994915942755E+31
n5 1.3332320687399E+39

Nth Root

y√n
2√n 8175.0529661893
3√n 405.81402298632
4√n 90.415999503347
5√n 36.727911227381

Divisors of 66831491

1, 23, 643, 4519, 14789, 103937, 2905717, 66831491

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 -66831490
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 66831491 can be divided by 8 positive divisors. The sum of these divisors (counting 66831491) is 1, the average is 0.125.

Base conversion 66831491

Base System Value
2 Binary 11111110111100010010000011
3 Ternary 11122202101120102
4 Quaternary 3332330102003
5 Quinary 114102101431
6 Senary 10344233015
8 Octal 376742203
10 Decimal 66831491
12 Duodecimal 1a46b76b
16 Hexadecimal 3fbc483
20 Vigesimal 10hdieb
36 Base36 13sfib

Cryptographic Hash Functions

md5 00c9e4518eded4090589f5a49cc6e771
sha1 4c70aa143f2dcb1c598277266f59afa8044b282a
sha256 8d1e63968685d84d735c66ac7b35fdb07bbdae0507b0d91dc71a69a88baa840e
sha512 ad60575d949d5f538234f272aa196c4b022645eec01e335422bfa292d9fca5a234c0347f4aa883b06c0d115e40fd19c3b385315151fc4343b575f785063d4d0f
ripemd-160 5f4cb7416624a1c63642cc1c518932e44bca6802

66831491 as geometric shapes

Circle

Radius = n
Diameter 133662982
Circumference 419914642.3081
Area 1.4031760819091E+16

Sphere

Radius = n
Volume 1.2503513291937E+24
Surface area 5.6127043276365E+16
Circumference 419914642.3081

Square

Length = n
Perimeter 267325964
Area 4466448189283081
Diagonal 94514000.965815

Cube

Length = n
Surface area 26798689135698486
Volume 2.9849939196404E+23
Space diagonal 115755537.95758

Equilateral Triangle

Length = n
Perimeter 200494473
Area 1.9340287983031E+15
Altitude 57877768.978791

Triangular Pyramid

Length = n
Surface area 1.9340287983031E+15
Volume 3.5178490706305E+22
Height 31504666.988605