66989904 (number)

66989904 is an even 8-digits composite number following 66989903 and preceding 66989905. In scientific notation, it is written as 6.6989904 × 10^7. The sum of its digits is 51. It has a total of 6 prime factors and 20 positive divisors. There are 22329952 positive integers (up to 66989904) that are relatively prime to 66989904.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6989904 × 10^7
Engineering notation 6.6989904 × 10^6

Prime Factorization of 66989904

Prime Factorization 2 × 2 × 2 × 2 × 3 × 1395623

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 8373738
Product of the distinct prime numbers

The prime factorization of 66989904 is 2 × 2 × 2 × 2 × 3 × 1395623. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 7, 78, 33, 678, 962, 8687, 7924, 23979, 12491, 583572, 875256, 311368, 7740027, 29010126, 28796626, 970413586, 351505357, 27494905, 2081646798

Basic calculations (n = 66989904)

Multiplication

n×y
n×2 133979808
n×3 200969712
n×4 267959616
n×5 334949520

Division

n÷y
n÷2 33494952
n÷3 22329968
n÷3 16747476
n÷5 13397980.8

Exponentiation

ny
n2 4487647237929216
n3 3.0062705765474E+23
n4 2.0138977732094E+31
n5 1.3491081849311E+39

Nth Root

y√n
2√n 8184.7360372831
3√n 406.13440832842
4√n 90.469530988522
5√n 36.745306230649

Divisors of 66989904

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1395623, 2791246, 4186869, 5582492, 8373738, 11164984, 16747476, 22329968, 33494952, 66989904

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66989903
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66989904 can be divided by 20 positive divisors. The sum of these divisors (counting 66989904) is 1, the average is 0.05.

Base conversion 66989904

Base System Value
2 Binary 11111111100010111101010000
3 Ternary 11200001102212120
4 Quaternary 3333202331100
5 Quinary 114122134104
6 Senary 10351454240
8 Octal 377427520
10 Decimal 66989904
12 Duodecimal 1a527380
16 Hexadecimal 3fe2f50
20 Vigesimal 10idef4
36 Base36 13vtqo

Cryptographic Hash Functions

md5 ebc6bfdbff0ab3ee9b78bb1e06dade49
sha1 5e60fa9a558de344ddfa5df791f38ec355c445b2
sha256 24ce8fa364d7603b5f619b8323f60b238ffbec0c1e167241057351aeaaf053db
sha512 0c7c318af99316c6335276288d5521f140167db503bf6f8431ed0c22c1fdd797a2bdfa438a468a280cc51771016568425a65a77dac14c0b4af3c4a7a9aa0da2f
ripemd-160 6bff82084515adfc34d48f5d6338787c3e14f1e5

66989904 as geometric shapes

Circle

Radius = n
Diameter 133979808
Circumference 420909980.54217
Area 1.4098359594581E+16

Sphere

Radius = n
Volume 1.2592636743979E+24
Surface area 5.6393438378324E+16
Circumference 420909980.54217

Square

Length = n
Perimeter 267959616
Area 4487647237929216
Diagonal 94738030.778872

Cube

Length = n
Surface area 26925883427575296
Volume 3.0062705765474E+23
Space diagonal 116029917.32216

Equilateral Triangle

Length = n
Perimeter 200969712
Area 1.9432082556349E+15
Altitude 58014958.661081

Triangular Pyramid

Length = n
Surface area 1.9432082556349E+15
Volume 3.5429238512638E+22
Height 31579343.592957