66888918 (number)

66888918 is an even 8-digits composite number following 66888917 and preceding 66888919. In scientific notation, it is written as 6.6888918 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors. There are 22272624 positive integers (up to 66888918) that are relatively prime to 66888918.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6888918 × 10^7
Engineering notation 6.6888918 × 10^6

Prime Factorization of 66888918

Prime Factorization 2 × 9 × 1549 × 2399

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 66888918
Product of the distinct prime numbers

The prime factorization of 66888918 is 2 × 9 × 1549 × 2399. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 66888918)

Multiplication

n×y
n×2 133777836
n×3 200666754
n×4 267555672
n×5 334444590

Division

n÷y
n÷2 33444459
n÷3 22296306
n÷3 16722229.5
n÷5 13377783.6

Exponentiation

ny
n2 4474127351210724
n3 2.9926953751669E+23
n4 2.0017815554852E+31
n5 1.3389700231876E+39

Nth Root

y√n
2√n 8178.5645439771
3√n 405.93022574068
4√n 90.435416425077
5√n 36.734220974931

Divisors of 66888918

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 -66888917
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 66888918 can be divided by 16 positive divisors. The sum of these divisors (counting 66888918) is 1, the average is 0.0625.

Base conversion 66888918

Base System Value
2 Binary 11111111001010010011010110
3 Ternary 11122212022100100
4 Quaternary 3333022103112
5 Quinary 114110421133
6 Senary 10345354530
8 Octal 377122326
10 Decimal 66888918
12 Duodecimal 1a498a46
16 Hexadecimal 3fca4d6
20 Vigesimal 10i125i
36 Base36 13tnti

Cryptographic Hash Functions

md5 26a5a61ea8ed58092ca3ddaf3ba69ee7
sha1 e68e7598c8eabdb6bcf316ed657e7cac0b68346f
sha256 4ee40833102aa27ebb68118d7e46083656232b76fb13a9cebfd28025bd175899
sha512 7764d6957ce2dc163b87c7a22a4ce9fffed8506bcd03a38793995716372675a2e580c15b05a3aa11dd30264041f0be22ddc05b209d0be1e9d868525bd468201a
ripemd-160 e18d6ac51e596362280f07c73543ca5dc555e18c

66888918 as geometric shapes

Circle

Radius = n
Diameter 133777836
Circumference 420275466.79074
Area 1.4055885617789E+16

Sphere

Radius = n
Volume 1.2535773073409E+24
Surface area 5.6223542471155E+16
Circumference 420275466.79074

Square

Length = n
Perimeter 267555672
Area 4474127351210724
Diagonal 94595215.008062

Cube

Length = n
Surface area 26844764107264344
Volume 2.9926953751669E+23
Space diagonal 115855004.43931

Equilateral Triangle

Length = n
Perimeter 200666754
Area 1.9373539729576E+15
Altitude 57927502.219654

Triangular Pyramid

Length = n
Surface area 1.9373539729576E+15
Volume 3.5269253230102E+22
Height 31531738.336021