66809904 (number)

66809904 is an even 8-digits composite number following 66809903 and preceding 66809905. In scientific notation, it is written as 6.6809904 × 10^7. The sum of its digits is 42. It has a total of 7 prime factors and 40 positive divisors. There are 19088448 positive integers (up to 66809904) that are relatively prime to 66809904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6809904 × 10^7
Engineering notation 6.6809904 × 10^6

Prime Factorization of 66809904

Prime Factorization 2 × 2 × 2 × 2 × 3 × 7 × 198839

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 8351238
Product of the distinct prime numbers

The prime factorization of 66809904 is 2 × 2 × 2 × 2 × 3 × 7 × 198839. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 5, 70, 30, 640, 352, 4674, 3094, 95228, 58407, 83919, 186088, 804705, 998852, 95119524, 5444311, 15516971, 434854854, 3510010601, 5570785452

Basic calculations (n = 66809904)

Multiplication

n×y
n×2 133619808
n×3 200429712
n×4 267239616
n×5 334049520

Division

n÷y
n÷2 33404952
n÷3 22269968
n÷3 16702476
n÷5 13361980.8

Exponentiation

ny
n2 4463563272489216
n3 2.9821023373293E+23
n4 1.9923397087515E+31
n5 1.3310802467707E+39

Nth Root

y√n
2√n 8173.7325622998
3√n 405.77032477078
4√n 90.408697381943
5√n 36.725538250614

Divisors of 66809904

1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 198839, 397678, 596517, 795356, 1193034, 1391873, 1590712, 2386068, 2783746, 3181424, 4175619, 4772136, 5567492, 8351238, 9544272, 11134984, 16702476, 22269968, 33404952, 66809904

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66809903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66809904 can be divided by 40 positive divisors. The sum of these divisors (counting 66809904) is 1, the average is 0.025.

Base conversion 66809904

Base System Value
2 Binary 11111110110111000000110000
3 Ternary 11122201021221220
4 Quaternary 3332313000300
5 Quinary 114100404104
6 Senary 10343545040
8 Octal 376670060
10 Decimal 66809904
12 Duodecimal 1a45b180
16 Hexadecimal 3fb7030
20 Vigesimal 10hb4f4
36 Base36 13ryuo

Cryptographic Hash Functions

md5 d3a03064767fb65baf23a81760fa9bc7
sha1 bc149932d54c22b976a08bb6ed1dc59c5bfcbd98
sha256 a0003e8f0365a6e2c205bed29763d152b4dcfd49c8f5e319750a3075823363ac
sha512 b34ce895f503015a0cb23c02c83d8325210435bc418d815b21ed244cdc1cfba74b3c513093a879d2680f04228a8018fe13859aaea9c7b0847391876e310739d1
ripemd-160 0ea63384f32559c21aadcdb83ce85f4013b7a0ea

66809904 as geometric shapes

Circle

Radius = n
Diameter 133619808
Circumference 419779007.18688
Area 1.4022697585685E+16

Sphere

Radius = n
Volume 1.2491401060276E+24
Surface area 5.6090790342741E+16
Circumference 419779007.18688

Square

Length = n
Perimeter 267239616
Area 4463563272489216
Diagonal 94483472.337645

Cube

Length = n
Surface area 26781379634935296
Volume 2.9821023373293E+23
Space diagonal 115718148.1768

Equilateral Triangle

Length = n
Perimeter 200429712
Area 1.9327795926874E+15
Altitude 57859074.0884

Triangular Pyramid

Length = n
Surface area 1.9327795926874E+15
Volume 3.5144413081963E+22
Height 31494490.779215