20989984 (number)

20989984 is an even 8-digits composite number following 20989983 and preceding 20989985. In scientific notation, it is written as 2.0989984 × 10^7. The sum of its digits is 49. It has a total of 9 prime factors and 72 positive divisors. There are 9389952 positive integers (up to 20989984) that are relatively prime to 20989984.

Interesting facts

Basic properties

Name

Name twenty million nine hundred eighty-nine thousand nine hundred eighty-four

Notation

Scientific notation 2.0989984 × 10^7
Engineering notation 2.0989984 × 10^6

Prime Factorization of 20989984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 79 × 19 × 19 × 23

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 69046
Product of the distinct prime numbers

The prime factorization of 20989984 is 2 × 2 × 2 × 2 × 2 × 79 × 19 × 19 × 23. Since it has a total of 9 prime factors.

Most popular turbo-numbers

2, 9, 43, 17, 211, 807, 1281, 3540, 72169, 54120, 499256, 476651, 8410460, 1081894, 67118402, 14709814, 429113036, 390774664, 2051805399, 3347376406

Basic calculations (n = 20989984)

Multiplication

n×y
n×2 41979968
n×3 62969952
n×4 83959936
n×5 104949920

Division

n÷y
n÷2 10494992
n÷3 6996661.3333333
n÷3 5247496
n÷5 4197996.8

Exponentiation

ny
n2 440579428320256
n3 9.2477551511713E+21
n4 1.94110232659E+29
n5 4.0743706777488E+36

Nth Root

y√n
2√n 4581.4827294229
3√n 275.84854814766
4√n 67.686651043044
5√n 29.134154669291

Divisors of 20989984

1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 79, 92, 152, 158, 184, 304, 316, 361, 368, 437, 608, 632, 722, 736, 874, 1264, 1444, 1501, 1748, 1817, 2528, 2888, 3002, 3496, 3634, 5776, 6004, 6992, 7268, 8303, 11552, 12008, 13984, 14536, 16606, 24016, 28519, 29072, 33212, 34523, 48032, 57038, 58144, 66424, 69046, 114076, 132848, 138092, 228152, 265696, 276184, 456304, 552368, 655937, 912608, 1104736, 1311874, 2623748, 5247496, 10494992, 20989984

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20989983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
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 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20989984 can be divided by 72 positive divisors. The sum of these divisors (counting 20989984) is 1, the average is 0.013888888888889.

Base conversion 20989984

Base System Value
2 Binary 1010000000100100000100000
3 Ternary 1110111101211211
4 Quaternary 1100010200200
5 Quinary 20333134414
6 Senary 2025515504
8 Octal 120044040
10 Decimal 20989984
12 Duodecimal 7042b94
16 Hexadecimal 1404820
20 Vigesimal 6b3ej4
36 Base36 chvz4

Cryptographic Hash Functions

md5 09f2b7b7650568857b1a40c637a09fe5
sha1 835627577fc9517bce10335ea037026e2a444b8e
sha256 ff4e2b7765c422831f864cfed79aaca10e8cad64a08a8cc1b31adad042718bed
sha512 57af4a2ea7bb7e557533ab42b325b041af0faadabf7cccfdc6bd6c9465e43b913a97c4fcd27dc9022abf6c193df0aadc9fea7d382ab8a8768cafad829803003a
ripemd-160 c2fd1777d5e9556dd88283dd57588566a2746ea3

20989984 as geometric shapes

Circle

Radius = n
Diameter 41979968
Circumference 131883959.06673
Area 1.3841210953337E+15

Sphere

Radius = n
Volume 3.8736906193489E+22
Surface area 5.5364843813348E+15
Circumference 131883959.06673

Square

Length = n
Perimeter 83959936
Area 440579428320256
Diagonal 29684320.046794

Cube

Length = n
Surface area 2643476569921536
Volume 9.2477551511713E+21
Space diagonal 36355718.738058

Equilateral Triangle

Length = n
Perimeter 62969952
Area 1.9077648865508E+14
Altitude 18177859.369029

Triangular Pyramid

Length = n
Surface area 1.9077648865508E+14
Volume 1.0898583963577E+21
Height 9894773.3489314