66989815 (number)

66989815 is an odd 8-digits composite number following 66989814 and preceding 66989816. In scientific notation, it is written as 6.6989815 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 53591848 positive integers (up to 66989815) that are relatively prime to 66989815.

Interesting facts

Basic properties

Name

Name sixty-six million nine hundred eighty-nine thousand eight hundred fifteen

Notation

Scientific notation 6.6989815 × 10^7
Engineering notation 6.6989815 × 10^6

Prime Factorization of 66989815

Prime Factorization 5 × 13397963

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66989815
Product of the distinct prime numbers

The prime factorization of 66989815 is 5 × 13397963. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 77, 10, 860, 41, 8940, 3747, 66411, 41346, 146750, 398333, 4193178, 8824931, 85752311, 29944056, 802270578, 589602904, 3980605829, 8898636281

Basic calculations (n = 66989815)

Multiplication

n×y
n×2 133979630
n×3 200969445
n×4 267959260
n×5 334949075

Division

n÷y
n÷2 33494907.5
n÷3 22329938.333333
n÷3 16747453.75
n÷5 13397963

Exponentiation

ny
n2 4487635313734225
n3 3.0062585945452E+23
n4 2.0138870709074E+31
n5 1.3490992231098E+39

Nth Root

y√n
2√n 8184.7306003313
3√n 406.13422847058
4√n 90.469500939993
5√n 36.745296466986

Divisors of 66989815

1, 5, 13397963, 66989815

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66989814
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66989815 can be divided by 4 positive divisors. The sum of these divisors (counting 66989815) is 1, the average is 0.25.

Base conversion 66989815

Base System Value
2 Binary 11111111100010111011110111
3 Ternary 11200001102202021
4 Quaternary 3333202323313
5 Quinary 114122133230
6 Senary 10351454011
8 Octal 377427367
10 Decimal 66989815
12 Duodecimal 1a527307
16 Hexadecimal 3fe2ef7
20 Vigesimal 10ideaf
36 Base36 13vto7

Cryptographic Hash Functions

md5 171d8d9d35880080da06d8ae975c3bc1
sha1 0f7d987eec4925b4bd81fe8f14854070370ebe00
sha256 783af7331d765f811c0741f01402a9d126f75a7986d3a185ee3d6298698797ee
sha512 6fed3350f67177525c5df07bbe3666f1248a2989435abe21146053452d770e7106f6d8b9346eacd5b0fbc5965ce4aadb2f782aaad128856e46eee7ef8ec348d2
ripemd-160 8e2521ca1e635fa4b5522c40a77dfb386ea8ed75

66989815 as geometric shapes

Circle

Radius = n
Diameter 133979630
Circumference 420909421.33868
Area 1.4098322133618E+16

Sphere

Radius = n
Volume 1.2592586553886E+24
Surface area 5.639328853447E+16
Circumference 420909421.33868

Square

Length = n
Perimeter 267959260
Area 4487635313734225
Diagonal 94737904.913865

Cube

Length = n
Surface area 26925811882405350
Volume 3.0062585945452E+23
Space diagonal 116029763.16964

Equilateral Triangle

Length = n
Perimeter 200969445
Area 1.943203092307E+15
Altitude 58014881.58482

Triangular Pyramid

Length = n
Surface area 1.943203092307E+15
Volume 3.5429097303388E+22
Height 31579301.637955