66984939 (number)

66984939 is an odd 8-digits composite number following 66984938 and preceding 66984940. In scientific notation, it is written as 6.6984939 × 10^7. The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors. There are 37342080 positive integers (up to 66984939) that are relatively prime to 66984939.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.6984939 × 10^7
Engineering notation 6.6984939 × 10^6

Prime Factorization of 66984939

Prime Factorization 21 × 123 × 25933

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 66984939
Product of the distinct prime numbers

The prime factorization of 66984939 is 21 × 123 × 25933. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 2, 23, 78, 607, 23, 7068, 7535, 90509, 33806, 424931, 921958, 2120038, 4666907, 24898925, 38636350, 968872769, 394909518, 2615766371, 5817296080

Basic calculations (n = 66984939)

Multiplication

n×y
n×2 133969878
n×3 200954817
n×4 267939756
n×5 334924695

Division

n÷y
n÷2 33492469.5
n÷3 22328313
n÷3 16746234.75
n÷5 13396987.8

Exponentiation

ny
n2 4486982052833721
n3 3.0056021910316E+23
n4 2.0133007942452E+31
n5 1.3486083089117E+39

Nth Root

y√n
2√n 8184.4327231641
3√n 406.12437444254
4√n 90.46785464
5√n 36.74476153408

Divisors of 66984939

1, 21, 123, 2583, 25933, 544593, 3189759, 66984939

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -66984938
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 66984939 can be divided by 8 positive divisors. The sum of these divisors (counting 66984939) is 1, the average is 0.125.

Base conversion 66984939

Base System Value
2 Binary 11111111100001101111101011
3 Ternary 11200001012001200
4 Quaternary 3333201233223
5 Quinary 114122004224
6 Senary 10351415243
8 Octal 377415753
10 Decimal 66984939
12 Duodecimal 1a524523
16 Hexadecimal 3fe1beb
20 Vigesimal 10id26j
36 Base36 13vpwr

Cryptographic Hash Functions

md5 c636dd5fcd1f27b308155837b9301769
sha1 a05c8f34cd09678a0525e8c5ba6d569d20db10a8
sha256 dd7bba69797e83bf01cd9ff8775d3bd76e237bf66e59d1f0d7b193f5436da18d
sha512 12d7b15471bc3005a63416a1c9bcb4d99fed69f8c17d6c8b628028a98a957fe1ccf048f3307b05046f3f07cf7f096d79fb2470788533cf0815da3cdfc5a11531
ripemd-160 5e82d35b8e0834fdbec1a7d7eee7df67cacf854c

66984939 as geometric shapes

Circle

Radius = n
Diameter 133969878
Circumference 420878784.52712
Area 1.4096269853972E+16

Sphere

Radius = n
Volume 1.2589837017278E+24
Surface area 5.6385079415887E+16
Circumference 420878784.52712

Square

Length = n
Perimeter 267939756
Area 4486982052833721
Diagonal 94731009.208534

Cube

Length = n
Surface area 26921892317002326
Volume 3.0056021910316E+23
Space diagonal 116021317.6899

Equilateral Triangle

Length = n
Perimeter 200954817
Area 1.9429202220394E+15
Altitude 58010658.844951

Triangular Pyramid

Length = n
Surface area 1.9429202220394E+15
Volume 3.5421361513793E+22
Height 31577003.069511