51981489 (number)

51981489 is an odd 8-digits composite number following 51981488 and preceding 51981490. In scientific notation, it is written as 5.1981489 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 29342880 positive integers (up to 51981489) that are relatively prime to 51981489.

Interesting facts

Basic properties

Name

Name fifty-one million nine hundred eighty-one thousand four hundred eighty-nine

Notation

Scientific notation 5.1981489 × 10^7
Engineering notation 5.1981489 × 10^6

Prime Factorization of 51981489

Prime Factorization 9 × 7 × 83 × 9941

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 51981489
Product of the distinct prime numbers

The prime factorization of 51981489 is 9 × 7 × 83 × 9941. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 82, 72, 316, 861, 7989, 388, 1369, 40463, 243436, 346409, 6286846, 9430941, 17773976, 55664460, 767323005, 854085137, 4910346104, 7663212828

Basic calculations (n = 51981489)

Multiplication

n×y
n×2 103962978
n×3 155944467
n×4 207925956
n×5 259907445

Division

n÷y
n÷2 25990744.5
n÷3 17327163
n÷3 12995372.25
n÷5 10396297.8

Exponentiation

ny
n2 2702075198657121
n3 1.4045789221617E+23
n4 7.3012103791979E+30
n5 3.7952778701296E+38

Nth Root

y√n
2√n 7209.8189297652
3√n 373.20682035212
4√n 84.910652628308
5√n 34.927680294039

Divisors of 51981489

1, 7, 9, 63, 83, 581, 747, 5229, 9941, 69587, 89469, 626283, 825103, 5775721, 7425927, 51981489

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -51981488
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51981489 can be divided by 16 positive divisors. The sum of these divisors (counting 51981489) is 1, the average is 0.0625.

Base conversion 51981489

Base System Value
2 Binary 11000110010010110010110001
3 Ternary 10121210221012100
4 Quaternary 3012102302301
5 Quinary 101301401424
6 Senary 5054051013
8 Octal 306226261
10 Decimal 51981489
12 Duodecimal 154a9a69
16 Hexadecimal 3192cb1
20 Vigesimal g4hde9
36 Base36 uy569

Cryptographic Hash Functions

md5 47d3e28ce25df56de83c2074d558a33b
sha1 c36347bbc5fe05f8debd0d4df748ae644388126e
sha256 7fe5832f0c2121b2f84c38727aeae3f3485ebe4b721ad655df832897623e03ee
sha512 a96f0f0232a0030699ba776f17a61a70e879cf3072bc14ca2f53897fb8cd6a1d353920de8675c2f6f60865879b32024d7a1421560abc7b0ba06c718be3693378
ripemd-160 44ffdc13886240b79772fdd4ee42aa7418013fc2

51981489 as geometric shapes

Circle

Radius = n
Diameter 103962978
Circumference 326609327.93012
Area 8.4888195935484E+15

Sphere

Radius = n
Volume 5.8834864310003E+23
Surface area 3.3955278374194E+16
Circumference 326609327.93012

Square

Length = n
Perimeter 207925956
Area 2702075198657121
Diagonal 73512926.736148

Cube

Length = n
Surface area 16212451191942726
Volume 1.4045789221617E+23
Space diagonal 90034580.001083

Equilateral Triangle

Length = n
Perimeter 155944467
Area 1.1700328824865E+15
Altitude 45017290.000541

Triangular Pyramid

Length = n
Surface area 1.1700328824865E+15
Volume 1.655312134287E+22
Height 24504308.912049