66989816 (number)

66989816 is an even 8-digits composite number following 66989815 and preceding 66989817. In scientific notation, it is written as 6.6989816 × 10^7. The sum of its digits is 53. It has a total of 5 prime factors and 16 positive divisors. There are 32994720 positive integers (up to 66989816) that are relatively prime to 66989816.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6989816 × 10^7
Engineering notation 6.6989816 × 10^6

Prime Factorization of 66989816

Prime Factorization 2 × 2 × 2 × 67 × 124981

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 16747454
Product of the distinct prime numbers

The prime factorization of 66989816 is 2 × 2 × 2 × 67 × 124981. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 10, 79, 25, 183, 294, 1775, 3074, 98764, 13416, 236808, 290276, 6665485, 2521302, 52098604, 40698951, 946877898, 93812833, 9915013433, 4302476472

Basic calculations (n = 66989816)

Multiplication

n×y
n×2 133979632
n×3 200969448
n×4 267959264
n×5 334949080

Division

n÷y
n÷2 33494908
n÷3 22329938.666667
n÷3 16747454
n÷5 13397963.2

Exponentiation

ny
n2 4487635447713856
n3 3.0062587291743E+23
n4 2.0138871911578E+31
n5 1.3490993238042E+39

Nth Root

y√n
2√n 8184.7306614207
3√n 406.13423049146
4√n 90.469501277617
5√n 36.745296576691

Divisors of 66989816

1, 2, 4, 8, 67, 134, 268, 536, 124981, 249962, 499924, 999848, 8373727, 16747454, 33494908, 66989816

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 -66989815
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 66989816 can be divided by 16 positive divisors. The sum of these divisors (counting 66989816) is 1, the average is 0.0625.

Base conversion 66989816

Base System Value
2 Binary 11111111100010111011111000
3 Ternary 11200001102202022
4 Quaternary 3333202323320
5 Quinary 114122133231
6 Senary 10351454012
8 Octal 377427370
10 Decimal 66989816
12 Duodecimal 1a527308
16 Hexadecimal 3fe2ef8
20 Vigesimal 10ideag
36 Base36 13vto8

Cryptographic Hash Functions

md5 5db58da7d6b2e00ffc5aeaf3e0780a26
sha1 d70a19323ea63ff1354815aff18b899f8da06209
sha256 82858e53c1fc880d6e7a6ed4d7343dd1766b507311ac328481f2415f020aa84a
sha512 784e14669a734dca382fa3043c3a91e8b0c93fabdaebb31635906154f4b70e2cf0dc2d8f774ef95796040a8ca46342c1567274ce5ff703866084e5689ad131b3
ripemd-160 8600d9d164940ee2da9ba79e8e62c8fa22ed44d2

66989816 as geometric shapes

Circle

Radius = n
Diameter 133979632
Circumference 420909427.62186
Area 1.4098322554527E+16

Sphere

Radius = n
Volume 1.2592587117819E+24
Surface area 5.6393290218108E+16
Circumference 420909427.62186

Square

Length = n
Perimeter 267959264
Area 4487635447713856
Diagonal 94737906.328078

Cube

Length = n
Surface area 26925812686283136
Volume 3.0062587291743E+23
Space diagonal 116029764.90169

Equilateral Triangle

Length = n
Perimeter 200969448
Area 1.9432031503219E+15
Altitude 58014882.450845

Triangular Pyramid

Length = n
Surface area 1.9432031503219E+15
Volume 3.5429098890007E+22
Height 31579302.109359