51998981 (number)

51998981 is an odd 8-digits composite number following 51998980 and preceding 51998982. In scientific notation, it is written as 5.1998981 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 51979200 positive integers (up to 51998981) that are relatively prime to 51998981.

Interesting facts

Basic properties

Name

Name fifty-one million nine hundred ninety-eight thousand nine hundred eighty-one

Notation

Scientific notation 5.1998981 × 10^7
Engineering notation 5.1998981 × 10^6

Prime Factorization of 51998981

Prime Factorization 3121 × 16661

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 51998981
Product of the distinct prime numbers

The prime factorization of 51998981 is 3121 × 16661. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 51998981)

Multiplication

n×y
n×2 103997962
n×3 155996943
n×4 207995924
n×5 259994905

Division

n÷y
n÷2 25999490.5
n÷3 17332993.666667
n÷3 12999745.25
n÷5 10399796.2

Exponentiation

ny
n2 2703894025038361
n3 1.4059973403398E+23
n4 7.3110428986381E+30
n5 3.8016678077647E+38

Nth Root

y√n
2√n 7211.0318956443
3√n 373.24867757037
4√n 84.917794929239
5√n 34.930030641351

Divisors of 51998981

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -51998980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 51998981 can be divided by 4 positive divisors. The sum of these divisors (counting 51998981) is 1, the average is 0.25.

Base conversion 51998981

Base System Value
2 Binary 11000110010111000100000101
3 Ternary 10121211211012012
4 Quaternary 3012113010011
5 Quinary 101302431411
6 Senary 5054304005
8 Octal 306270405
10 Decimal 51998981
12 Duodecimal 154b8005
16 Hexadecimal 3197105
20 Vigesimal g4jh91
36 Base36 uyio5

Cryptographic Hash Functions

md5 a3e974a4aa1e2ad237491ca95cbdfc0a
sha1 916539867664f543adaa29093b2762abfb4eaecd
sha256 37b9c8e0ccd75c47ab8f68532b1ee9d2f1bc8914d220e59dcf6a619f283a380e
sha512 f1eebff96c78237d8c85d5b616bd4b11f3fbcd61800255caf5b0b725d8b1878027f0154b62e7c72910e5e730d12bbe7a7bb7e289ef9e153e23d1a6dca2f62ed3
ripemd-160 54066e37a8076f332f241eb2bcfb0c9844a7c090

51998981 as geometric shapes

Circle

Radius = n
Diameter 103997962
Circumference 326719233.40751
Area 8.4945336051459E+15

Sphere

Radius = n
Volume 5.8894278871712E+23
Surface area 3.3978134420583E+16
Circumference 326719233.40751

Square

Length = n
Perimeter 207995924
Area 2703894025038361
Diagonal 73537664.159781

Cube

Length = n
Surface area 16223364150230166
Volume 1.4059973403398E+23
Space diagonal 90064877.033809

Equilateral Triangle

Length = n
Perimeter 155996943
Area 1.1708204574121E+15
Altitude 45032438.516904

Triangular Pyramid

Length = n
Surface area 1.1708204574121E+15
Volume 1.6569837561409E+22
Height 24512554.719927