66408889 (number)

66408889 is an odd 8-digits composite number following 66408888 and preceding 66408890. In scientific notation, it is written as 6.6408889 × 10^7. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 61971360 positive integers (up to 66408889) that are relatively prime to 66408889.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6408889 × 10^7
Engineering notation 6.6408889 × 10^6

Prime Factorization of 66408889

Prime Factorization 943 × 70423

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 66408889
Product of the distinct prime numbers

The prime factorization of 66408889 is 943 × 70423. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 2, 28, 42, 640, 441, 1465, 8451, 65779, 65924, 293367, 912385, 87115, 920603, 74606885, 82985473, 804532493, 805342232, 1033602383, 4312006110

Basic calculations (n = 66408889)

Multiplication

n×y
n×2 132817778
n×3 199226667
n×4 265635556
n×5 332044445

Division

n÷y
n÷2 33204444.5
n÷3 22136296.333333
n÷3 16602222.25
n÷5 13281777.8

Exponentiation

ny
n2 4410140538214321
n3 2.9287253347668E+23
n4 1.9449339566801E+31
n5 1.291609032415E+39

Nth Root

y√n
2√n 8149.1649265431
3√n 404.9568393776
4√n 90.272725263742
5√n 36.681344266137

Divisors of 66408889

1, 943, 70423, 66408889

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 -66408888
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 66408889 can be divided by 4 positive divisors. The sum of these divisors (counting 66408889) is 1, the average is 0.25.

Base conversion 66408889

Base System Value
2 Binary 11111101010101000110111001
3 Ternary 11121221220212111
4 Quaternary 3331111012321
5 Quinary 114000041024
6 Senary 10331212321
8 Octal 375250671
10 Decimal 66408889
12 Duodecimal 1a2a70a1
16 Hexadecimal 3f551b9
20 Vigesimal 10f1249
36 Base36 13jdfd

Cryptographic Hash Functions

md5 09a6f5be3a11148423657222ece5e28c
sha1 32e5cfe0566266a41d563a296f347dff19dba7da
sha256 e81d2244b8ad1f516063a10b0c45fe54d8d90ca8683ce043a47d50244d704cab
sha512 c1c76948697ee45763491c8b8720f431c524ddf84855b92f7b3a63d7bedcd41fb9bb1550caa3176e8d5c0227637e0911a22ee6410c26a8244f3d99d80f1cb8c0
ripemd-160 e076ad1d43a5099f91884ffb93a62b8993b05794

66408889 as geometric shapes

Circle

Radius = n
Diameter 132817778
Circumference 417259355.63092
Area 1.3854865116153E+16

Sphere

Radius = n
Volume 1.2267815994781E+24
Surface area 5.5419460464611E+16
Circumference 417259355.63092

Square

Length = n
Perimeter 265635556
Area 4410140538214321
Diagonal 93916351.485929

Cube

Length = n
Surface area 26460843229285926
Volume 2.9287253347668E+23
Space diagonal 115023569.8222

Equilateral Triangle

Length = n
Perimeter 199226667
Area 1.9096468701766E+15
Altitude 57511784.911101

Triangular Pyramid

Length = n
Surface area 1.9096468701766E+15
Volume 3.4515359074107E+22
Height 31305450.49531